./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0832_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0832_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 880ea7a6e3bf15e1c28bd78f5267ea1e88339658 ............................................................................................................................................................................................................................................................................................................................................... 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_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0832_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 880ea7a6e3bf15e1c28bd78f5267ea1e88339658 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 18:35:51,594 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 18:35:51,596 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 18:35:51,604 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 18:35:51,604 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 18:35:51,605 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 18:35:51,606 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 18:35:51,607 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 18:35:51,608 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 18:35:51,609 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 18:35:51,609 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 18:35:51,609 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 18:35:51,610 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 18:35:51,611 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 18:35:51,612 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 18:35:51,612 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 18:35:51,613 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 18:35:51,614 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 18:35:51,615 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 18:35:51,616 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 18:35:51,617 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 18:35:51,617 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 18:35:51,619 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 18:35:51,619 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 18:35:51,619 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 18:35:51,620 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 18:35:51,620 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 18:35:51,621 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 18:35:51,621 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 18:35:51,622 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 18:35:51,622 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 18:35:51,622 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 18:35:51,623 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 18:35:51,623 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 18:35:51,623 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 18:35:51,624 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 18:35:51,624 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 18:35:51,633 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 18:35:51,633 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 18:35:51,634 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 18:35:51,634 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 18:35:51,634 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 18:35:51,634 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 18:35:51,635 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 18:35:51,635 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 18:35:51,635 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 18:35:51,635 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 18:35:51,635 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 18:35:51,635 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 18:35:51,635 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 18:35:51,636 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 18:35:51,636 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 18:35:51,636 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 18:35:51,636 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 18:35:51,636 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 18:35:51,636 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 18:35:51,637 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 18:35:51,637 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 18:35:51,637 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 18:35:51,637 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 18:35:51,637 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 18:35:51,637 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 18:35:51,637 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 18:35:51,638 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 18:35:51,638 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 18:35:51,638 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 18:35:51,638 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 18:35:51,638 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 18:35:51,638 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 18:35:51,638 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 18:35:51,639 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 18:35:51,639 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 18:35:51,639 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 18:35:51,639 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan 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 -> Taipan 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 -> 880ea7a6e3bf15e1c28bd78f5267ea1e88339658 [2018-12-08 18:35:51,660 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 18:35:51,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 18:35:51,669 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 18:35:51,670 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 18:35:51,670 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 18:35:51,670 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0832_true-unreach-call.c [2018-12-08 18:35:51,704 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/data/98fdc87f1/9a68ffd1ff664b0382d1b0e770b2731d/FLAGfdd033e94 [2018-12-08 18:35:52,119 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 18:35:52,120 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/sv-benchmarks/c/float-newlib/double_req_bl_0832_true-unreach-call.c [2018-12-08 18:35:52,123 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/data/98fdc87f1/9a68ffd1ff664b0382d1b0e770b2731d/FLAGfdd033e94 [2018-12-08 18:35:52,131 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/data/98fdc87f1/9a68ffd1ff664b0382d1b0e770b2731d [2018-12-08 18:35:52,133 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 18:35:52,134 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 18:35:52,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 18:35:52,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 18:35:52,136 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 18:35:52,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:35:52" (1/1) ... [2018-12-08 18:35:52,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf0f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:52, skipping insertion in model container [2018-12-08 18:35:52,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:35:52" (1/1) ... [2018-12-08 18:35:52,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 18:35:52,159 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 18:35:52,270 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:35:52,274 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 18:35:52,297 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:35:52,340 INFO L195 MainTranslator]: Completed translation [2018-12-08 18:35:52,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:52 WrapperNode [2018-12-08 18:35:52,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 18:35:52,340 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 18:35:52,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 18:35:52,341 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 18:35:52,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:52" (1/1) ... [2018-12-08 18:35:52,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:52" (1/1) ... [2018-12-08 18:35:52,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 18:35:52,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 18:35:52,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 18:35:52,358 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 18:35:52,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:52" (1/1) ... [2018-12-08 18:35:52,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:52" (1/1) ... [2018-12-08 18:35:52,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:52" (1/1) ... [2018-12-08 18:35:52,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:52" (1/1) ... [2018-12-08 18:35:52,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:52" (1/1) ... [2018-12-08 18:35:52,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:52" (1/1) ... [2018-12-08 18:35:52,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:52" (1/1) ... [2018-12-08 18:35:52,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 18:35:52,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 18:35:52,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 18:35:52,382 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 18:35:52,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 18:35:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_exp [2018-12-08 18:35:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_exp [2018-12-08 18:35:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 18:35:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 18:35:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 18:35:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-08 18:35:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 18:35:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 18:35:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 18:35:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 18:35:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 18:35:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 18:35:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 18:35:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-08 18:35:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 18:35:52,617 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 18:35:52,617 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-08 18:35:52,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:35:52 BoogieIcfgContainer [2018-12-08 18:35:52,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 18:35:52,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 18:35:52,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 18:35:52,621 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 18:35:52,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 06:35:52" (1/3) ... [2018-12-08 18:35:52,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a85ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:35:52, skipping insertion in model container [2018-12-08 18:35:52,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:52" (2/3) ... [2018-12-08 18:35:52,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a85ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:35:52, skipping insertion in model container [2018-12-08 18:35:52,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:35:52" (3/3) ... [2018-12-08 18:35:52,623 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0832_true-unreach-call.c [2018-12-08 18:35:52,629 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 18:35:52,633 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 18:35:52,642 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 18:35:52,659 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 18:35:52,659 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 18:35:52,659 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 18:35:52,659 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 18:35:52,659 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 18:35:52,659 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 18:35:52,659 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 18:35:52,659 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 18:35:52,669 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-12-08 18:35:52,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 18:35:52,672 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:35:52,673 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:35:52,674 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:35:52,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:35:52,678 INFO L82 PathProgramCache]: Analyzing trace with hash -396812635, now seen corresponding path program 1 times [2018-12-08 18:35:52,679 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:35:52,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:35:52,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:35:52,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:35:52,706 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:35:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:35:52,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:35:52,773 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:35:52,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 18:35:52,773 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:35:52,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 18:35:52,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 18:35:52,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 18:35:52,784 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 2 states. [2018-12-08 18:35:52,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:35:52,797 INFO L93 Difference]: Finished difference Result 91 states and 140 transitions. [2018-12-08 18:35:52,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 18:35:52,798 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-12-08 18:35:52,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:35:52,804 INFO L225 Difference]: With dead ends: 91 [2018-12-08 18:35:52,805 INFO L226 Difference]: Without dead ends: 45 [2018-12-08 18:35:52,806 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 18:35:52,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-12-08 18:35:52,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-12-08 18:35:52,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-12-08 18:35:52,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2018-12-08 18:35:52,828 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 56 transitions. Word has length 19 [2018-12-08 18:35:52,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:35:52,829 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 56 transitions. [2018-12-08 18:35:52,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 18:35:52,829 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2018-12-08 18:35:52,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 18:35:52,829 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:35:52,829 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:35:52,829 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:35:52,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:35:52,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1663928716, now seen corresponding path program 1 times [2018-12-08 18:35:52,830 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:35:52,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:35:52,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:35:52,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:35:52,831 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:35:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 18:35:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 18:35:52,886 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 18:35:52,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 06:35:52 BoogieIcfgContainer [2018-12-08 18:35:52,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 18:35:52,911 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 18:35:52,911 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 18:35:52,912 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 18:35:52,912 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:35:52" (3/4) ... [2018-12-08 18:35:52,914 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 18:35:52,914 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 18:35:52,914 INFO L168 Benchmark]: Toolchain (without parser) took 781.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -101.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-12-08 18:35:52,915 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:35:52,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -166.3 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2018-12-08 18:35:52,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-08 18:35:52,916 INFO L168 Benchmark]: Boogie Preprocessor took 23.28 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. [2018-12-08 18:35:52,916 INFO L168 Benchmark]: RCFGBuilder took 237.35 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: 31.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2018-12-08 18:35:52,917 INFO L168 Benchmark]: TraceAbstraction took 292.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2018-12-08 18:35:52,917 INFO L168 Benchmark]: Witness Printer took 2.73 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. [2018-12-08 18:35:52,919 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 206.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -166.3 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.28 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. * RCFGBuilder took 237.35 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: 31.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 292.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.73 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: 145]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 21, overapproximation of bitwiseAnd at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 144. Possible FailurePath: [L17-L42] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; VAL [\old(halF_exp)=22, \old(halF_exp)=45, \old(huge_exp)=37, \old(invln2_exp)=18, \old(ln2HI_exp)=17, \old(ln2HI_exp)=42, \old(ln2LO_exp)=26, \old(ln2LO_exp)=44, \old(o_threshold_exp)=25, \old(one_exp)=33, \old(P1_exp)=21, \old(P2_exp)=23, \old(P3_exp)=28, \old(P4_exp)=32, \old(P5_exp)=31, \old(twom1000_exp)=24, \old(u_threshold_exp)=43, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={40:0}, ln2LO_exp={27:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L137] double x = __VERIFIER_nondet_double(); [L139] COND TRUE x == 0.0 || x == -0.0 VAL [halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={40:0}, ln2LO_exp={27:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=38] [L141] CALL, EXPR __ieee754_exp(x) VAL [\old(x)=38, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={40:0}, ln2LO_exp={27:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L45] double y, hi, lo, c, t; [L46] __int32_t k = 0, xsb; [L47] __uint32_t hx; VAL [\old(x)=38, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={40:0}, ln2LO_exp={27:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=38] [L50] ieee_double_shape_type gh_u; [L51] gh_u.value = (x) [L52] EXPR gh_u.parts.msw [L52] (hx) = gh_u.parts.msw [L54] xsb = (hx >> 31) & 1 [L55] hx &= 0x7fffffff VAL [\old(x)=38, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={40:0}, ln2LO_exp={27:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=38, xsb=0] [L57] COND TRUE hx >= 0x40862E42 VAL [\old(x)=38, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={40:0}, ln2LO_exp={27:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=38, xsb=0] [L58] COND FALSE !(hx >= 0x7ff00000) VAL [\old(x)=38, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={40:0}, ln2LO_exp={27:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=38, xsb=0] [L70] COND TRUE x > o_threshold_exp [L71] return huge_exp * huge_exp; VAL [\old(x)=38, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={40:0}, ln2LO_exp={27:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=38, xsb=0] [L141] RET, EXPR __ieee754_exp(x) VAL [__ieee754_exp(x)=19, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={40:0}, ln2LO_exp={27:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=38] [L141] double res = __ieee754_exp(x); [L144] COND TRUE res != 1.0 VAL [halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={40:0}, ln2LO_exp={27:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=19, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=38] [L145] __VERIFIER_error() VAL [halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={40:0}, ln2LO_exp={27:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=19, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=38] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 50 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 62 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=50occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 18:35:54,277 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 18:35:54,278 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 18:35:54,284 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 18:35:54,284 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 18:35:54,285 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 18:35:54,285 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 18:35:54,286 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 18:35:54,287 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 18:35:54,287 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 18:35:54,287 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 18:35:54,288 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 18:35:54,288 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 18:35:54,289 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 18:35:54,289 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 18:35:54,289 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 18:35:54,290 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 18:35:54,291 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 18:35:54,291 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 18:35:54,292 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 18:35:54,293 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 18:35:54,293 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 18:35:54,294 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 18:35:54,294 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 18:35:54,294 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 18:35:54,295 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 18:35:54,295 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 18:35:54,296 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 18:35:54,296 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 18:35:54,297 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 18:35:54,297 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 18:35:54,297 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 18:35:54,297 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 18:35:54,297 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 18:35:54,298 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 18:35:54,298 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 18:35:54,298 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-08 18:35:54,305 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 18:35:54,305 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 18:35:54,306 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 18:35:54,306 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 18:35:54,306 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 18:35:54,306 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 18:35:54,306 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 18:35:54,306 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 18:35:54,306 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 18:35:54,306 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 18:35:54,307 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 18:35:54,307 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 18:35:54,307 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 18:35:54,307 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 18:35:54,307 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 18:35:54,307 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 18:35:54,307 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 18:35:54,307 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 18:35:54,308 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 18:35:54,308 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 18:35:54,308 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 18:35:54,308 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 18:35:54,308 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 18:35:54,308 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 18:35:54,308 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 18:35:54,308 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 18:35:54,308 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 18:35:54,308 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 18:35:54,309 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 18:35:54,309 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 18:35:54,309 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 18:35:54,309 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 18:35:54,309 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 18:35:54,309 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 18:35:54,309 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 18:35:54,309 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_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan 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 -> Taipan 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 -> 880ea7a6e3bf15e1c28bd78f5267ea1e88339658 [2018-12-08 18:35:54,327 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 18:35:54,336 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 18:35:54,339 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 18:35:54,340 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 18:35:54,340 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 18:35:54,341 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0832_true-unreach-call.c [2018-12-08 18:35:54,386 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/data/2dc9f856f/598d86086a054f68ac3ffc7ba13256c3/FLAG3f034f426 [2018-12-08 18:35:54,789 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 18:35:54,789 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/sv-benchmarks/c/float-newlib/double_req_bl_0832_true-unreach-call.c [2018-12-08 18:35:54,793 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/data/2dc9f856f/598d86086a054f68ac3ffc7ba13256c3/FLAG3f034f426 [2018-12-08 18:35:54,801 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/data/2dc9f856f/598d86086a054f68ac3ffc7ba13256c3 [2018-12-08 18:35:54,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 18:35:54,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 18:35:54,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 18:35:54,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 18:35:54,807 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 18:35:54,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:35:54" (1/1) ... [2018-12-08 18:35:54,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122a18af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:54, skipping insertion in model container [2018-12-08 18:35:54,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:35:54" (1/1) ... [2018-12-08 18:35:54,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 18:35:54,830 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 18:35:54,952 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:35:54,957 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 18:35:54,983 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:35:55,000 INFO L195 MainTranslator]: Completed translation [2018-12-08 18:35:55,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:55 WrapperNode [2018-12-08 18:35:55,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 18:35:55,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 18:35:55,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 18:35:55,001 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 18:35:55,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:55" (1/1) ... [2018-12-08 18:35:55,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:55" (1/1) ... [2018-12-08 18:35:55,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 18:35:55,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 18:35:55,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 18:35:55,052 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 18:35:55,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:55" (1/1) ... [2018-12-08 18:35:55,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:55" (1/1) ... [2018-12-08 18:35:55,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:55" (1/1) ... [2018-12-08 18:35:55,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:55" (1/1) ... [2018-12-08 18:35:55,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:55" (1/1) ... [2018-12-08 18:35:55,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:55" (1/1) ... [2018-12-08 18:35:55,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:55" (1/1) ... [2018-12-08 18:35:55,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 18:35:55,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 18:35:55,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 18:35:55,083 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 18:35:55,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 18:35:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-08 18:35:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_exp [2018-12-08 18:35:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_exp [2018-12-08 18:35:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-08 18:35:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 18:35:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 18:35:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 18:35:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 18:35:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2018-12-08 18:35:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 18:35:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 18:35:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 18:35:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 18:35:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 18:35:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 18:35:55,224 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:35:55,541 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:36:05,767 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:36:05,790 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:36:05,817 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:36:05,831 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:36:05,856 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 18:36:05,875 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 18:36:05,875 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-08 18:36:05,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:36:05 BoogieIcfgContainer [2018-12-08 18:36:05,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 18:36:05,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 18:36:05,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 18:36:05,877 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 18:36:05,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 06:35:54" (1/3) ... [2018-12-08 18:36:05,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df7c767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:36:05, skipping insertion in model container [2018-12-08 18:36:05,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:35:55" (2/3) ... [2018-12-08 18:36:05,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df7c767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:36:05, skipping insertion in model container [2018-12-08 18:36:05,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:36:05" (3/3) ... [2018-12-08 18:36:05,879 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0832_true-unreach-call.c [2018-12-08 18:36:05,884 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 18:36:05,889 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 18:36:05,897 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 18:36:05,914 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 18:36:05,914 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 18:36:05,914 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 18:36:05,914 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 18:36:05,914 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 18:36:05,914 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 18:36:05,915 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 18:36:05,915 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 18:36:05,915 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 18:36:05,924 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-12-08 18:36:05,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 18:36:05,927 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:36:05,928 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:36:05,929 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:36:05,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:36:05,932 INFO L82 PathProgramCache]: Analyzing trace with hash -396812635, now seen corresponding path program 1 times [2018-12-08 18:36:05,935 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 18:36:05,935 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-08 18:36:05,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:36:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:36:06,222 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:36:06,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:36:06,234 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 18:36:06,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:36:06,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 18:36:06,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 18:36:06,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 18:36:06,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 18:36:06,260 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 2 states. [2018-12-08 18:36:06,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:36:06,273 INFO L93 Difference]: Finished difference Result 91 states and 140 transitions. [2018-12-08 18:36:06,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 18:36:06,274 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-12-08 18:36:06,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:36:06,283 INFO L225 Difference]: With dead ends: 91 [2018-12-08 18:36:06,283 INFO L226 Difference]: Without dead ends: 45 [2018-12-08 18:36:06,286 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 18:36:06,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-12-08 18:36:06,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-12-08 18:36:06,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-12-08 18:36:06,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2018-12-08 18:36:06,314 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 56 transitions. Word has length 19 [2018-12-08 18:36:06,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:36:06,314 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 56 transitions. [2018-12-08 18:36:06,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 18:36:06,314 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2018-12-08 18:36:06,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 18:36:06,315 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:36:06,315 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:36:06,315 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:36:06,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:36:06,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1663928716, now seen corresponding path program 1 times [2018-12-08 18:36:06,316 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 18:36:06,316 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-08 18:36:06,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:36:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:36:06,583 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:36:06,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:36:06,703 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 18:36:06,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:36:06,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 18:36:06,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 18:36:06,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 18:36:06,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:36:06,715 INFO L87 Difference]: Start difference. First operand 45 states and 56 transitions. Second operand 7 states. [2018-12-08 18:36:21,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:36:21,709 INFO L93 Difference]: Finished difference Result 76 states and 92 transitions. [2018-12-08 18:36:21,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 18:36:21,710 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-12-08 18:36:21,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:36:21,712 INFO L225 Difference]: With dead ends: 76 [2018-12-08 18:36:21,712 INFO L226 Difference]: Without dead ends: 47 [2018-12-08 18:36:21,713 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-12-08 18:36:21,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-12-08 18:36:21,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 42. [2018-12-08 18:36:21,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-08 18:36:21,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2018-12-08 18:36:21,717 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 20 [2018-12-08 18:36:21,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:36:21,717 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2018-12-08 18:36:21,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 18:36:21,717 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2018-12-08 18:36:21,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 18:36:21,718 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:36:21,718 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] [2018-12-08 18:36:21,718 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:36:21,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:36:21,718 INFO L82 PathProgramCache]: Analyzing trace with hash 453162205, now seen corresponding path program 1 times [2018-12-08 18:36:21,719 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 18:36:21,719 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-08 18:36:21,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:36:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:36:21,943 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:36:23,120 WARN L180 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-12-08 18:36:24,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:36:24,292 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 18:36:24,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:36:24,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 18:36:24,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 18:36:24,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 18:36:24,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-08 18:36:24,304 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand 8 states. [2018-12-08 18:36:30,562 WARN L180 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-12-08 18:36:44,540 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-12-08 18:36:45,690 WARN L180 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-12-08 18:36:46,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:36:46,554 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2018-12-08 18:36:46,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 18:36:46,597 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2018-12-08 18:36:46,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:36:46,597 INFO L225 Difference]: With dead ends: 51 [2018-12-08 18:36:46,598 INFO L226 Difference]: Without dead ends: 45 [2018-12-08 18:36:46,598 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-12-08 18:36:46,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-12-08 18:36:46,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2018-12-08 18:36:46,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-08 18:36:46,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2018-12-08 18:36:46,602 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 21 [2018-12-08 18:36:46,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:36:46,602 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2018-12-08 18:36:46,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 18:36:46,602 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2018-12-08 18:36:46,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 18:36:46,603 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:36:46,603 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:36:46,603 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:36:46,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:36:46,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1601275934, now seen corresponding path program 1 times [2018-12-08 18:36:46,604 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 18:36:46,604 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-08 18:36:46,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:36:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:36:49,375 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:36:49,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:36:49,498 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 18:36:49,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:36:49,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 18:36:49,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 18:36:49,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 18:36:49,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:36:49,539 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand 7 states. [2018-12-08 18:37:01,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:37:01,435 INFO L93 Difference]: Finished difference Result 64 states and 70 transitions. [2018-12-08 18:37:01,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 18:37:01,815 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-12-08 18:37:01,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:37:01,816 INFO L225 Difference]: With dead ends: 64 [2018-12-08 18:37:01,816 INFO L226 Difference]: Without dead ends: 43 [2018-12-08 18:37:01,817 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-12-08 18:37:01,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-12-08 18:37:01,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2018-12-08 18:37:01,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-08 18:37:01,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2018-12-08 18:37:01,820 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 22 [2018-12-08 18:37:01,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:37:01,821 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2018-12-08 18:37:01,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 18:37:01,821 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2018-12-08 18:37:01,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 18:37:01,821 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:37:01,822 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:37:01,822 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:37:01,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:37:01,822 INFO L82 PathProgramCache]: Analyzing trace with hash 2034559033, now seen corresponding path program 1 times [2018-12-08 18:37:01,822 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 18:37:01,823 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-08 18:37:01,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:37:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:37:04,713 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:37:06,852 WARN L180 SmtUtils]: Spent 868.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-12-08 18:37:06,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:37:06,885 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 18:37:06,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:37:06,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 18:37:06,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:37:06,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:37:06,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:37:06,927 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand 6 states. [2018-12-08 18:37:12,154 WARN L180 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-08 18:37:20,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:37:20,967 INFO L93 Difference]: Finished difference Result 49 states and 52 transitions. [2018-12-08 18:37:20,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 18:37:20,969 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-12-08 18:37:20,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:37:20,969 INFO L225 Difference]: With dead ends: 49 [2018-12-08 18:37:20,969 INFO L226 Difference]: Without dead ends: 43 [2018-12-08 18:37:20,970 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:37:20,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-12-08 18:37:20,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-12-08 18:37:20,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-08 18:37:20,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2018-12-08 18:37:20,973 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 23 [2018-12-08 18:37:20,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:37:20,973 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2018-12-08 18:37:20,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:37:20,973 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2018-12-08 18:37:20,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 18:37:20,974 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:37:20,974 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:37:20,974 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:37:20,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:37:20,974 INFO L82 PathProgramCache]: Analyzing trace with hash 770068804, now seen corresponding path program 1 times [2018-12-08 18:37:20,975 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 18:37:20,975 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-08 18:37:20,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:37:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:37:24,693 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:37:24,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:37:24,795 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 18:37:24,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:37:24,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 18:37:24,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 18:37:24,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 18:37:24,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:37:24,842 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand 7 states. [2018-12-08 18:37:41,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:37:41,094 INFO L93 Difference]: Finished difference Result 60 states and 63 transitions. [2018-12-08 18:37:41,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 18:37:41,487 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-12-08 18:37:41,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:37:41,488 INFO L225 Difference]: With dead ends: 60 [2018-12-08 18:37:41,488 INFO L226 Difference]: Without dead ends: 35 [2018-12-08 18:37:41,488 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-12-08 18:37:41,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-12-08 18:37:41,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-12-08 18:37:41,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-12-08 18:37:41,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2018-12-08 18:37:41,492 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 23 [2018-12-08 18:37:41,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:37:41,492 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2018-12-08 18:37:41,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 18:37:41,492 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-12-08 18:37:41,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-08 18:37:41,493 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:37:41,493 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:37:41,493 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:37:41,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:37:41,493 INFO L82 PathProgramCache]: Analyzing trace with hash -480611800, now seen corresponding path program 1 times [2018-12-08 18:37:41,493 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 18:37:41,494 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-12-08 18:37:41,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:37:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:37:44,410 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:37:44,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:37:44,421 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 18:37:44,465 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:37:44,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 18:37:44,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 18:37:44,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 18:37:44,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 18:37:44,466 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 3 states. [2018-12-08 18:37:44,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:37:44,468 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-12-08 18:37:44,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 18:37:44,468 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2018-12-08 18:37:44,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:37:44,469 INFO L225 Difference]: With dead ends: 35 [2018-12-08 18:37:44,469 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 18:37:44,469 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 18:37:44,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 18:37:44,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 18:37:44,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 18:37:44,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 18:37:44,470 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-12-08 18:37:44,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:37:44,471 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 18:37:44,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 18:37:44,471 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 18:37:44,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 18:37:44,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 18:37:44,793 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2018-12-08 18:37:44,793 INFO L444 ceAbstractionStarter]: At program point L60-2(lines 60 64) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) ~one_exp~0)) (and (exists ((|v_q#valueAsBitvector_8| (_ BitVec 64))) (and (= |__ieee754_exp_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_8|) ((_ extract 62 52) |v_q#valueAsBitvector_8|) ((_ extract 51 0) |v_q#valueAsBitvector_8|))) (= __ieee754_exp_~hx~0 (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_8|))))) (= __ieee754_exp_~x |__ieee754_exp_#in~x|) (exists ((|v_q#valueAsBitvector_8| (_ BitVec 64))) (and (= |__ieee754_exp_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_8|) ((_ extract 62 52) |v_q#valueAsBitvector_8|) ((_ extract 51 0) |v_q#valueAsBitvector_8|))) (bvuge (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_8|)) (_ bv1082535490 32))))) (not (= ~huge_exp~0 ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)))) [2018-12-08 18:37:44,793 INFO L448 ceAbstractionStarter]: For program point L60-3(lines 58 69) no Hoare annotation was computed. [2018-12-08 18:37:44,793 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 86) no Hoare annotation was computed. [2018-12-08 18:37:44,793 INFO L448 ceAbstractionStarter]: For program point L77-2(lines 77 86) no Hoare annotation was computed. [2018-12-08 18:37:44,793 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 102 106) no Hoare annotation was computed. [2018-12-08 18:37:44,794 INFO L444 ceAbstractionStarter]: At program point L102-2(lines 102 106) the Hoare annotation is: (or (exists ((|v_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|)) |__ieee754_exp_#in~x|) (not (bvult (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_9|)) (_ bv1043333120 32))))) (not (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) ~one_exp~0)) (not (= ~huge_exp~0 ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)))) [2018-12-08 18:37:44,794 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 71) no Hoare annotation was computed. [2018-12-08 18:37:44,794 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 99) no Hoare annotation was computed. [2018-12-08 18:37:44,794 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 126) no Hoare annotation was computed. [2018-12-08 18:37:44,794 INFO L448 ceAbstractionStarter]: For program point L88(lines 88 91) no Hoare annotation was computed. [2018-12-08 18:37:44,794 INFO L448 ceAbstractionStarter]: For program point L121-1(lines 114 128) no Hoare annotation was computed. [2018-12-08 18:37:44,794 INFO L448 ceAbstractionStarter]: For program point L121-2(lines 121 126) no Hoare annotation was computed. [2018-12-08 18:37:44,794 INFO L448 ceAbstractionStarter]: For program point L88-2(lines 76 91) no Hoare annotation was computed. [2018-12-08 18:37:44,794 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 73) no Hoare annotation was computed. [2018-12-08 18:37:44,794 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 90) no Hoare annotation was computed. [2018-12-08 18:37:44,794 INFO L448 ceAbstractionStarter]: For program point __ieee754_expFINAL(lines 44 129) no Hoare annotation was computed. [2018-12-08 18:37:44,794 INFO L451 ceAbstractionStarter]: At program point __ieee754_expENTRY(lines 44 129) the Hoare annotation is: true [2018-12-08 18:37:44,794 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 74) no Hoare annotation was computed. [2018-12-08 18:37:44,794 INFO L448 ceAbstractionStarter]: For program point L57-2(lines 44 129) no Hoare annotation was computed. [2018-12-08 18:37:44,794 INFO L448 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2018-12-08 18:37:44,795 INFO L444 ceAbstractionStarter]: At program point L49-2(lines 49 53) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) ~one_exp~0)) (not (= ~huge_exp~0 ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0))) (and (= __ieee754_exp_~k~0 (_ bv0 32)) (= __ieee754_exp_~x |__ieee754_exp_#in~x|))) [2018-12-08 18:37:44,795 INFO L448 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2018-12-08 18:37:44,795 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2018-12-08 18:37:44,795 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 100 114) no Hoare annotation was computed. [2018-12-08 18:37:44,795 INFO L448 ceAbstractionStarter]: For program point L107-2(lines 107 112) no Hoare annotation was computed. [2018-12-08 18:37:44,795 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 69) no Hoare annotation was computed. [2018-12-08 18:37:44,795 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2018-12-08 18:37:44,795 INFO L444 ceAbstractionStarter]: At program point L116-2(lines 116 120) the Hoare annotation is: (or (exists ((|v_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|)) |__ieee754_exp_#in~x|) (not (bvult (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_9|)) (_ bv1043333120 32))))) (not (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) ~one_exp~0)) (not (= ~huge_exp~0 ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)))) [2018-12-08 18:37:44,795 INFO L448 ceAbstractionStarter]: For program point __ieee754_expEXIT(lines 44 129) no Hoare annotation was computed. [2018-12-08 18:37:44,795 INFO L448 ceAbstractionStarter]: For program point L100(lines 100 128) no Hoare annotation was computed. [2018-12-08 18:37:44,795 INFO L448 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2018-12-08 18:37:44,795 INFO L448 ceAbstractionStarter]: For program point L68-2(line 68) no Hoare annotation was computed. [2018-12-08 18:37:44,795 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 18:37:44,796 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-08 18:37:44,796 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 18:37:44,796 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 18:37:44,796 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) ~one_exp~0) (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_exp~0)) [2018-12-08 18:37:44,796 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 18:37:44,796 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 18:37:44,796 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 131 151) the Hoare annotation is: true [2018-12-08 18:37:44,796 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 131 151) no Hoare annotation was computed. [2018-12-08 18:37:44,796 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-08 18:37:44,796 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 147) no Hoare annotation was computed. [2018-12-08 18:37:44,796 INFO L444 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) ~one_exp~0)) (not (= ~huge_exp~0 ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0))) (fp.eq main_~x~0 (fp.neg (_ +zero 11 53)))) [2018-12-08 18:37:44,796 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 131 151) no Hoare annotation was computed. [2018-12-08 18:37:44,796 INFO L448 ceAbstractionStarter]: For program point L141-1(line 141) no Hoare annotation was computed. [2018-12-08 18:37:44,796 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-12-08 18:37:44,797 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 148) no Hoare annotation was computed. [2018-12-08 18:37:44,797 INFO L448 ceAbstractionStarter]: For program point L139-2(lines 139 148) no Hoare annotation was computed. [2018-12-08 18:37:44,799 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,800 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,800 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,800 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,802 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,802 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,805 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,805 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,805 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,805 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,805 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,806 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,806 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,806 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,806 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,806 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,807 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,807 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,807 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,807 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,807 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,807 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,808 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,808 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,808 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,809 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,809 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,809 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,810 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,810 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,810 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,810 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,810 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,811 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,811 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,811 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,811 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,811 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,812 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,812 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,812 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,812 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,812 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,812 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,812 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,813 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,813 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,813 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 06:37:44 BoogieIcfgContainer [2018-12-08 18:37:44,814 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 18:37:44,815 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 18:37:44,815 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 18:37:44,815 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 18:37:44,815 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:36:05" (3/4) ... [2018-12-08 18:37:44,817 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 18:37:44,821 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_exp [2018-12-08 18:37:44,821 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 18:37:44,822 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 18:37:44,825 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2018-12-08 18:37:44,825 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-12-08 18:37:44,825 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 18:37:44,825 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 18:37:44,825 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 18:37:44,841 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == one_exp) || !(huge_exp == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300))) || (k == 0bv32 && x == \old(x)) [2018-12-08 18:37:44,841 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == one_exp) || (((\exists v_q#valueAsBitvector_8 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_8[63:63], v_q#valueAsBitvector_8[62:52], v_q#valueAsBitvector_8[51:0]) && hx == ~bvand32(2147483647bv32, v_q#valueAsBitvector_8[63:32])) && x == \old(x)) && (\exists v_q#valueAsBitvector_8 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_8[63:63], v_q#valueAsBitvector_8[62:52], v_q#valueAsBitvector_8[51:0]) && ~bvuge32(~bvand32(2147483647bv32, v_q#valueAsBitvector_8[63:32]), 1082535490bv32)))) || !(huge_exp == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300)) [2018-12-08 18:37:44,842 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_q#valueAsBitvector_9 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]) == \old(x) && !~bvult32(~bvand32(2147483647bv32, v_q#valueAsBitvector_9[63:32]), 1043333120bv32)) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == one_exp)) || !(huge_exp == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300)) [2018-12-08 18:37:44,842 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_q#valueAsBitvector_9 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]) == \old(x) && !~bvult32(~bvand32(2147483647bv32, v_q#valueAsBitvector_9[63:32]), 1043333120bv32)) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == one_exp)) || !(huge_exp == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300)) [2018-12-08 18:37:44,859 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_acd7a740-9c93-476c-a55a-bed3c3ac0f8e/bin-2019/utaipan/witness.graphml [2018-12-08 18:37:44,860 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 18:37:44,860 INFO L168 Benchmark]: Toolchain (without parser) took 110057.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 943.4 MB in the beginning and 799.5 MB in the end (delta: 143.9 MB). Peak memory consumption was 276.5 MB. Max. memory is 11.5 GB. [2018-12-08 18:37:44,860 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:37:44,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 197.31 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 925.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-08 18:37:44,861 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -194.5 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-12-08 18:37:44,861 INFO L168 Benchmark]: Boogie Preprocessor took 30.12 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. [2018-12-08 18:37:44,861 INFO L168 Benchmark]: RCFGBuilder took 10792.57 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: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 11.5 GB. [2018-12-08 18:37:44,861 INFO L168 Benchmark]: TraceAbstraction took 98938.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 806.3 MB in the end (delta: 266.8 MB). Peak memory consumption was 266.8 MB. Max. memory is 11.5 GB. [2018-12-08 18:37:44,862 INFO L168 Benchmark]: Witness Printer took 44.99 ms. Allocated memory is still 1.2 GB. Free memory was 806.3 MB in the beginning and 799.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 18:37:44,863 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 197.31 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 925.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -194.5 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.12 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. * RCFGBuilder took 10792.57 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: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 98938.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 806.3 MB in the end (delta: 266.8 MB). Peak memory consumption was 266.8 MB. Max. memory is 11.5 GB. * Witness Printer took 44.99 ms. Allocated memory is still 1.2 GB. Free memory was 806.3 MB in the beginning and 799.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 116]: Loop Invariant [2018-12-08 18:37:44,866 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,866 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,866 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,866 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,866 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,867 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,867 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,867 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,867 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,867 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,868 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,868 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\exists v_q#valueAsBitvector_9 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]) == \old(x) && !~bvult32(~bvand32(2147483647bv32, v_q#valueAsBitvector_9[63:32]), 1043333120bv32)) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == one_exp)) || !(huge_exp == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300)) - InvariantResult [Line: 102]: Loop Invariant [2018-12-08 18:37:44,868 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,868 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,869 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,869 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,869 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,869 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,869 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,870 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,870 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,870 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-12-08 18:37:44,870 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,870 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\exists v_q#valueAsBitvector_9 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]) == \old(x) && !~bvult32(~bvand32(2147483647bv32, v_q#valueAsBitvector_9[63:32]), 1043333120bv32)) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == one_exp)) || !(huge_exp == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300)) - InvariantResult [Line: 49]: Loop Invariant [2018-12-08 18:37:44,871 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,871 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,871 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,871 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == one_exp) || !(huge_exp == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300))) || (k == 0bv32 && x == \old(x)) - InvariantResult [Line: 60]: Loop Invariant [2018-12-08 18:37:44,872 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,872 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,879 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,880 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,880 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,880 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,881 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,881 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,881 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,881 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,882 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 18:37:44,882 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,882 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,882 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,882 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,882 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,882 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,882 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,882 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-08 18:37:44,883 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == one_exp) || (((\exists v_q#valueAsBitvector_8 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_8[63:63], v_q#valueAsBitvector_8[62:52], v_q#valueAsBitvector_8[51:0]) && hx == ~bvand32(2147483647bv32, v_q#valueAsBitvector_8[63:32])) && x == \old(x)) && (\exists v_q#valueAsBitvector_8 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_8[63:63], v_q#valueAsBitvector_8[62:52], v_q#valueAsBitvector_8[51:0]) && ~bvuge32(~bvand32(2147483647bv32, v_q#valueAsBitvector_8[63:32]), 1082535490bv32)))) || !(huge_exp == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 50 locations, 1 error locations. SAFE Result, 98.8s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 80.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 256 SDtfs, 204 SDslu, 662 SDs, 0 SdLazy, 282 SolverSat, 13 SolverUnsat, 24 SolverUnknown, 0 SolverNotchecked, 69.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 164 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 9.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 10 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 16 NumberOfFragments, 165 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 101 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 11.9s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 150 ConstructedInterpolants, 28 QuantifiedInterpolants, 20466 SizeOfPredicates, 17 NumberOfNonLiveVariables, 943 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...