./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1072d.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072d.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/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 e16d2ad47f8069122c38404dcdf9504ef10df900 ........................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072d.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/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 e16d2ad47f8069122c38404dcdf9504ef10df900 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:54:41,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:54:41,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:54:41,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:54:41,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:54:41,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:54:41,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:54:41,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:54:41,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:54:41,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:54:41,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:54:41,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:54:41,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:54:41,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:54:41,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:54:41,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:54:41,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:54:41,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:54:41,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:54:41,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:54:41,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:54:41,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:54:41,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:54:41,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:54:41,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:54:41,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:54:41,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:54:41,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:54:41,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:54:41,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:54:41,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:54:41,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:54:41,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:54:41,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:54:41,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:54:41,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:54:41,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:54:41,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:54:41,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:54:41,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:54:41,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:54:41,599 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 11:54:41,609 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:54:41,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:54:41,610 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:54:41,610 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:54:41,610 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:54:41,610 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:54:41,611 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 11:54:41,611 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:54:41,611 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:54:41,611 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 11:54:41,611 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 11:54:41,611 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:54:41,611 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 11:54:41,611 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 11:54:41,612 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 11:54:41,612 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:54:41,612 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:54:41,612 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:54:41,612 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:54:41,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:54:41,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:54:41,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:54:41,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:54:41,613 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:54:41,613 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:54:41,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:54:41,613 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:54:41,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:54:41,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:54:41,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:54:41,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:54:41,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:54:41,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:54:41,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:54:41,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:54:41,614 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 11:54:41,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:54:41,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:54:41,614 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:54:41,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:54:41,615 INFO L138 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/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/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 -> e16d2ad47f8069122c38404dcdf9504ef10df900 [2019-12-07 11:54:41,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:54:41,722 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:54:41,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:54:41,726 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:54:41,726 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:54:41,727 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1072d.c [2019-12-07 11:54:41,769 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/utaipan/data/c1c76c0aa/3ad272422e0641e0ac39d5f8fa118884/FLAG7de70c97b [2019-12-07 11:54:42,154 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:54:42,154 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/sv-benchmarks/c/float-newlib/float_req_bl_1072d.c [2019-12-07 11:54:42,158 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/utaipan/data/c1c76c0aa/3ad272422e0641e0ac39d5f8fa118884/FLAG7de70c97b [2019-12-07 11:54:42,545 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/utaipan/data/c1c76c0aa/3ad272422e0641e0ac39d5f8fa118884 [2019-12-07 11:54:42,547 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:54:42,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:54:42,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:54:42,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:54:42,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:54:42,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:54:42" (1/1) ... [2019-12-07 11:54:42,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3120301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:42, skipping insertion in model container [2019-12-07 11:54:42,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:54:42" (1/1) ... [2019-12-07 11:54:42,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:54:42,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:54:42,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:54:42,711 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:54:42,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:54:42,741 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:54:42,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:42 WrapperNode [2019-12-07 11:54:42,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:54:42,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:54:42,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:54:42,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:54:42,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:42" (1/1) ... [2019-12-07 11:54:42,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:42" (1/1) ... [2019-12-07 11:54:42,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:54:42,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:54:42,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:54:42,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:54:42,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:42" (1/1) ... [2019-12-07 11:54:42,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:42" (1/1) ... [2019-12-07 11:54:42,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:42" (1/1) ... [2019-12-07 11:54:42,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:42" (1/1) ... [2019-12-07 11:54:42,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:42" (1/1) ... [2019-12-07 11:54:42,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:42" (1/1) ... [2019-12-07 11:54:42,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:42" (1/1) ... [2019-12-07 11:54:42,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:54:42,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:54:42,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:54:42,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:54:42,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/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 [2019-12-07 11:54:42,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 11:54:42,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 11:54:42,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 11:54:42,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:54:42,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:54:42,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 11:54:42,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:54:42,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 11:54:42,997 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:54:42,997 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-07 11:54:42,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:54:42 BoogieIcfgContainer [2019-12-07 11:54:42,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:54:42,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:54:42,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:54:43,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:54:43,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:54:42" (1/3) ... [2019-12-07 11:54:43,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f16953b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:54:43, skipping insertion in model container [2019-12-07 11:54:43,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:42" (2/3) ... [2019-12-07 11:54:43,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f16953b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:54:43, skipping insertion in model container [2019-12-07 11:54:43,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:54:42" (3/3) ... [2019-12-07 11:54:43,003 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072d.c [2019-12-07 11:54:43,009 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:54:43,013 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 11:54:43,020 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 11:54:43,034 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:54:43,034 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:54:43,034 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:54:43,034 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:54:43,034 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:54:43,034 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:54:43,035 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:54:43,035 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:54:43,044 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-12-07 11:54:43,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 11:54:43,048 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:54:43,048 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:54:43,049 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:54:43,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:54:43,054 INFO L82 PathProgramCache]: Analyzing trace with hash -891617069, now seen corresponding path program 1 times [2019-12-07 11:54:43,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:54:43,060 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447304139] [2019-12-07 11:54:43,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:54:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:54:43,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:54:43,131 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447304139] [2019-12-07 11:54:43,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:54:43,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:54:43,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813652137] [2019-12-07 11:54:43,135 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 11:54:43,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:54:43,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 11:54:43,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:54:43,146 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2019-12-07 11:54:43,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:54:43,157 INFO L93 Difference]: Finished difference Result 43 states and 67 transitions. [2019-12-07 11:54:43,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 11:54:43,158 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-12-07 11:54:43,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:54:43,164 INFO L225 Difference]: With dead ends: 43 [2019-12-07 11:54:43,164 INFO L226 Difference]: Without dead ends: 20 [2019-12-07 11:54:43,166 INFO L630 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 [2019-12-07 11:54:43,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-12-07 11:54:43,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-12-07 11:54:43,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-12-07 11:54:43,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2019-12-07 11:54:43,188 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 9 [2019-12-07 11:54:43,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:54:43,188 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2019-12-07 11:54:43,188 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 11:54:43,188 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2019-12-07 11:54:43,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 11:54:43,189 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:54:43,189 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:54:43,189 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:54:43,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:54:43,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1865421930, now seen corresponding path program 1 times [2019-12-07 11:54:43,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:54:43,189 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799559658] [2019-12-07 11:54:43,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:54:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:54:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:54:43,250 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 11:54:43,250 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 11:54:43,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:54:43 BoogieIcfgContainer [2019-12-07 11:54:43,267 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:54:43,267 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:54:43,267 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:54:43,267 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:54:43,267 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:54:42" (3/4) ... [2019-12-07 11:54:43,270 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 11:54:43,270 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:54:43,271 INFO L168 Benchmark]: Toolchain (without parser) took 722.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 941.6 MB in the beginning and 1.0 GB in the end (delta: -89.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:54:43,272 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 957.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:54:43,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -140.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 11:54:43,273 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.45 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:54:43,273 INFO L168 Benchmark]: Boogie Preprocessor took 19.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:54:43,273 INFO L168 Benchmark]: RCFGBuilder took 210.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 11:54:43,274 INFO L168 Benchmark]: TraceAbstraction took 268.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:54:43,274 INFO L168 Benchmark]: Witness Printer took 2.99 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:54:43,276 INFO L335 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 957.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 192.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -140.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.45 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 210.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 268.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.99 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 67]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of bitwiseAnd at line 19, overapproximation of someUnaryFLOAToperation at line 62, overapproximation of someBinaryArithmeticFLOAToperation at line 38. Possible FailurePath: [L62] float x = -0.0f; [L13] __int32_t signbit, w, exponent_less_127; [L15] ieee_float_shape_type gf_u; [L16] gf_u.value = (x) [L17] EXPR gf_u.word [L17] (w) = gf_u.word [L19] signbit = w & 0x80000000 [L20] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 [L21] COND FALSE !(exponent_less_127 < 23) [L37] COND TRUE exponent_less_127 == 255 [L38] return x + x; [L63] float res = trunc_float(x); [L66] EXPR res == -0.0f && __signbit_float(res) == 1 [L66] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L67] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 22 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 25 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=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: 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 0.1.25-f470102 [2019-12-07 11:54:44,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:54:44,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:54:44,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:54:44,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:54:44,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:54:44,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:54:44,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:54:44,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:54:44,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:54:44,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:54:44,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:54:44,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:54:44,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:54:44,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:54:44,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:54:44,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:54:44,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:54:44,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:54:44,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:54:44,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:54:44,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:54:44,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:54:44,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:54:44,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:54:44,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:54:44,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:54:44,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:54:44,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:54:44,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:54:44,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:54:44,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:54:44,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:54:44,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:54:44,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:54:44,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:54:44,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:54:44,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:54:44,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:54:44,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:54:44,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:54:44,619 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 11:54:44,629 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:54:44,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:54:44,630 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:54:44,630 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:54:44,631 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:54:44,631 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:54:44,631 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:54:44,631 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:54:44,631 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:54:44,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:54:44,632 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:54:44,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:54:44,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:54:44,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:54:44,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:54:44,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:54:44,633 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:54:44,633 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 11:54:44,633 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 11:54:44,633 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:54:44,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:54:44,633 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:54:44,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:54:44,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:54:44,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:54:44,634 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:54:44,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:54:44,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:54:44,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:54:44,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:54:44,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:54:44,635 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 11:54:44,635 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 11:54:44,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:54:44,635 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:54:44,635 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:54:44,635 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/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 -> e16d2ad47f8069122c38404dcdf9504ef10df900 [2019-12-07 11:54:44,809 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:54:44,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:54:44,822 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:54:44,823 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:54:44,824 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:54:44,824 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1072d.c [2019-12-07 11:54:44,868 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/utaipan/data/14f11e097/65fa0e6bd40644d18fb2fba476e2174b/FLAG3d1ad69c4 [2019-12-07 11:54:45,263 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:54:45,264 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/sv-benchmarks/c/float-newlib/float_req_bl_1072d.c [2019-12-07 11:54:45,268 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/utaipan/data/14f11e097/65fa0e6bd40644d18fb2fba476e2174b/FLAG3d1ad69c4 [2019-12-07 11:54:45,643 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/utaipan/data/14f11e097/65fa0e6bd40644d18fb2fba476e2174b [2019-12-07 11:54:45,645 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:54:45,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:54:45,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:54:45,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:54:45,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:54:45,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:54:45" (1/1) ... [2019-12-07 11:54:45,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b02f556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:45, skipping insertion in model container [2019-12-07 11:54:45,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:54:45" (1/1) ... [2019-12-07 11:54:45,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:54:45,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:54:45,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:54:45,777 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:54:45,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:54:45,810 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:54:45,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:45 WrapperNode [2019-12-07 11:54:45,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:54:45,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:54:45,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:54:45,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:54:45,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:45" (1/1) ... [2019-12-07 11:54:45,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:45" (1/1) ... [2019-12-07 11:54:45,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:54:45,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:54:45,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:54:45,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:54:45,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:45" (1/1) ... [2019-12-07 11:54:45,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:45" (1/1) ... [2019-12-07 11:54:45,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:45" (1/1) ... [2019-12-07 11:54:45,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:45" (1/1) ... [2019-12-07 11:54:45,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:45" (1/1) ... [2019-12-07 11:54:45,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:45" (1/1) ... [2019-12-07 11:54:45,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:45" (1/1) ... [2019-12-07 11:54:45,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:54:45,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:54:45,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:54:45,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:54:45,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/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 [2019-12-07 11:54:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:54:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 11:54:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 11:54:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:54:45,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:54:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 11:54:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 11:54:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 11:54:46,129 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:54:46,129 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-07 11:54:46,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:54:46 BoogieIcfgContainer [2019-12-07 11:54:46,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:54:46,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:54:46,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:54:46,133 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:54:46,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:54:45" (1/3) ... [2019-12-07 11:54:46,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64332d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:54:46, skipping insertion in model container [2019-12-07 11:54:46,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:54:45" (2/3) ... [2019-12-07 11:54:46,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64332d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:54:46, skipping insertion in model container [2019-12-07 11:54:46,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:54:46" (3/3) ... [2019-12-07 11:54:46,136 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072d.c [2019-12-07 11:54:46,144 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:54:46,149 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 11:54:46,156 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 11:54:46,171 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:54:46,171 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:54:46,171 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:54:46,171 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:54:46,171 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:54:46,171 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:54:46,171 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:54:46,172 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:54:46,180 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-12-07 11:54:46,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 11:54:46,185 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:54:46,185 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:54:46,186 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:54:46,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:54:46,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1945115165, now seen corresponding path program 1 times [2019-12-07 11:54:46,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:54:46,198 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1328330372] [2019-12-07 11:54:46,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/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 [2019-12-07 11:54:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:54:46,269 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 11:54:46,272 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:54:46,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:54:46,282 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:54:46,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:54:46,286 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1328330372] [2019-12-07 11:54:46,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:54:46,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 11:54:46,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208737427] [2019-12-07 11:54:46,289 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 11:54:46,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:54:46,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 11:54:46,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:54:46,300 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2019-12-07 11:54:46,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:54:46,312 INFO L93 Difference]: Finished difference Result 48 states and 72 transitions. [2019-12-07 11:54:46,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 11:54:46,313 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 11:54:46,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:54:46,318 INFO L225 Difference]: With dead ends: 48 [2019-12-07 11:54:46,319 INFO L226 Difference]: Without dead ends: 22 [2019-12-07 11:54:46,320 INFO L630 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 [2019-12-07 11:54:46,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-12-07 11:54:46,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-12-07 11:54:46,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-12-07 11:54:46,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2019-12-07 11:54:46,347 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 10 [2019-12-07 11:54:46,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:54:46,348 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2019-12-07 11:54:46,348 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 11:54:46,348 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2019-12-07 11:54:46,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 11:54:46,348 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:54:46,349 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:54:46,549 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 11:54:46,550 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:54:46,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:54:46,550 INFO L82 PathProgramCache]: Analyzing trace with hash -390192032, now seen corresponding path program 1 times [2019-12-07 11:54:46,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:54:46,552 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [381506045] [2019-12-07 11:54:46,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/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 [2019-12-07 11:54:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:54:46,643 INFO L264 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 11:54:46,645 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:54:46,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:54:46,695 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:54:46,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:54:46,750 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [381506045] [2019-12-07 11:54:46,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:54:46,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 11:54:46,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180317691] [2019-12-07 11:54:46,752 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 11:54:46,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:54:46,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 11:54:46,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 11:54:46,753 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand 8 states. [2019-12-07 11:54:46,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:54:46,847 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2019-12-07 11:54:46,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 11:54:46,848 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-12-07 11:54:46,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:54:46,849 INFO L225 Difference]: With dead ends: 32 [2019-12-07 11:54:46,849 INFO L226 Difference]: Without dead ends: 19 [2019-12-07 11:54:46,850 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-12-07 11:54:46,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-12-07 11:54:46,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-12-07 11:54:46,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-07 11:54:46,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-12-07 11:54:46,853 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 11 [2019-12-07 11:54:46,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:54:46,854 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-12-07 11:54:46,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 11:54:46,854 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-12-07 11:54:46,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 11:54:46,854 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:54:46,854 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:54:47,055 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 11:54:47,055 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:54:47,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:54:47,056 INFO L82 PathProgramCache]: Analyzing trace with hash -675711906, now seen corresponding path program 1 times [2019-12-07 11:54:47,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:54:47,057 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [373132897] [2019-12-07 11:54:47,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/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 [2019-12-07 11:54:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:54:47,130 INFO L264 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 11:54:47,131 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:54:47,163 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:54:47,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:54:47,180 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:54:47,182 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:54:47,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:54:47,224 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [373132897] [2019-12-07 11:54:47,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:54:47,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-12-07 11:54:47,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567860816] [2019-12-07 11:54:47,225 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 11:54:47,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:54:47,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 11:54:47,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-12-07 11:54:47,226 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 9 states. [2019-12-07 11:54:47,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:54:47,368 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-12-07 11:54:47,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 11:54:47,369 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2019-12-07 11:54:47,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:54:47,370 INFO L225 Difference]: With dead ends: 22 [2019-12-07 11:54:47,370 INFO L226 Difference]: Without dead ends: 19 [2019-12-07 11:54:47,370 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2019-12-07 11:54:47,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-12-07 11:54:47,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-12-07 11:54:47,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-07 11:54:47,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2019-12-07 11:54:47,375 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2019-12-07 11:54:47,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:54:47,375 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2019-12-07 11:54:47,375 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 11:54:47,375 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2019-12-07 11:54:47,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 11:54:47,376 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:54:47,376 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:54:47,577 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 11:54:47,577 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:54:47,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:54:47,577 INFO L82 PathProgramCache]: Analyzing trace with hash 438125939, now seen corresponding path program 1 times [2019-12-07 11:54:47,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:54:47,578 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [817669085] [2019-12-07 11:54:47,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/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 [2019-12-07 11:54:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:54:47,626 INFO L264 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 19 conjunts are in the unsatisfiable core [2019-12-07 11:54:47,628 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:54:47,696 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:54:47,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:54:47,723 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:54:47,724 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:54:48,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:54:48,017 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [817669085] [2019-12-07 11:54:48,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:54:48,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2019-12-07 11:54:48,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69317785] [2019-12-07 11:54:48,018 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-12-07 11:54:48,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:54:48,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-12-07 11:54:48,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2019-12-07 11:54:48,020 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 18 states. [2019-12-07 11:54:48,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:54:48,298 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-12-07 11:54:48,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 11:54:48,298 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 18 [2019-12-07 11:54:48,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:54:48,299 INFO L225 Difference]: With dead ends: 19 [2019-12-07 11:54:48,299 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 11:54:48,300 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2019-12-07 11:54:48,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 11:54:48,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 11:54:48,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 11:54:48,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 11:54:48,300 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-12-07 11:54:48,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:54:48,301 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:54:48,301 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-12-07 11:54:48,301 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:54:48,301 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 11:54:48,501 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 11:54:48,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 11:54:48,798 INFO L242 CegarLoopResult]: At program point L52(lines 43 53) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) .cse0) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.neg (_ +zero 8 24))) (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0))) (= .cse0 ULTIMATE.start_trunc_float_~x) (= ULTIMATE.start_main_~res~0 .cse0) |ULTIMATE.start_main_#t~short10| (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.neg (_ +zero 8 24))) (= (bvand (_ bv2147483648 32) ULTIMATE.start_trunc_float_~w~0) ULTIMATE.start_trunc_float_~signbit~0))) (= (_ bv0 32) (bvadd |ULTIMATE.start___signbit_float_#res| (_ bv4294967295 32))) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~1) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~1) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~1)) .cse0) (= ULTIMATE.start___signbit_float_~x .cse0) (= |ULTIMATE.start_trunc_float_#res| .cse0))) [2019-12-07 11:54:48,799 INFO L242 CegarLoopResult]: At program point L40(lines 12 41) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) .cse0) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.neg (_ +zero 8 24))) (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0))) (= .cse0 ULTIMATE.start_trunc_float_~x) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.neg (_ +zero 8 24))) (= (bvand (_ bv2147483648 32) ULTIMATE.start_trunc_float_~w~0) ULTIMATE.start_trunc_float_~signbit~0))) (= |ULTIMATE.start_trunc_float_#res| .cse0))) [2019-12-07 11:54:48,799 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 11:54:48,799 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 11:54:48,799 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 11:54:48,799 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 67) no Hoare annotation was computed. [2019-12-07 11:54:48,799 INFO L246 CegarLoopResult]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2019-12-07 11:54:48,799 INFO L242 CegarLoopResult]: At program point L24-2(lines 24 28) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) .cse0) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.neg (_ +zero 8 24))) (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0))) (= .cse0 ULTIMATE.start_trunc_float_~x) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.neg (_ +zero 8 24))) (= (bvand (_ bv2147483648 32) ULTIMATE.start_trunc_float_~w~0) ULTIMATE.start_trunc_float_~signbit~0))))) [2019-12-07 11:54:48,800 INFO L246 CegarLoopResult]: For program point L37(lines 37 38) no Hoare annotation was computed. [2019-12-07 11:54:48,800 INFO L246 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2019-12-07 11:54:48,800 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 11:54:48,800 INFO L246 CegarLoopResult]: For program point L66-2(lines 66 69) no Hoare annotation was computed. [2019-12-07 11:54:48,800 INFO L246 CegarLoopResult]: For program point L21(lines 21 39) no Hoare annotation was computed. [2019-12-07 11:54:48,800 INFO L246 CegarLoopResult]: For program point L21-1(lines 21 39) no Hoare annotation was computed. [2019-12-07 11:54:48,800 INFO L246 CegarLoopResult]: For program point L46-1(lines 46 50) no Hoare annotation was computed. [2019-12-07 11:54:48,800 INFO L242 CegarLoopResult]: At program point L46-2(lines 46 50) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) .cse0) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.neg (_ +zero 8 24))) (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0))) (= .cse0 ULTIMATE.start_trunc_float_~x) (= ULTIMATE.start_main_~res~0 .cse0) |ULTIMATE.start_main_#t~short10| (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.neg (_ +zero 8 24))) (= (bvand (_ bv2147483648 32) ULTIMATE.start_trunc_float_~w~0) ULTIMATE.start_trunc_float_~signbit~0))) (= ULTIMATE.start___signbit_float_~x .cse0) (= |ULTIMATE.start_trunc_float_#res| .cse0))) [2019-12-07 11:54:48,800 INFO L246 CegarLoopResult]: For program point L46-3(lines 46 50) no Hoare annotation was computed. [2019-12-07 11:54:48,800 INFO L249 CegarLoopResult]: At program point L71(lines 55 72) the Hoare annotation is: true [2019-12-07 11:54:48,801 INFO L246 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2019-12-07 11:54:48,801 INFO L246 CegarLoopResult]: For program point L30-1(lines 30 34) no Hoare annotation was computed. [2019-12-07 11:54:48,801 INFO L242 CegarLoopResult]: At program point L30-2(lines 30 34) the Hoare annotation is: false [2019-12-07 11:54:48,801 INFO L246 CegarLoopResult]: For program point L22(lines 22 35) no Hoare annotation was computed. [2019-12-07 11:54:48,801 INFO L246 CegarLoopResult]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2019-12-07 11:54:48,801 INFO L242 CegarLoopResult]: At program point L14-2(lines 14 18) the Hoare annotation is: (= (fp.neg (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x) [2019-12-07 11:54:48,801 INFO L246 CegarLoopResult]: For program point L14-3(lines 14 18) no Hoare annotation was computed. [2019-12-07 11:54:48,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,814 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,814 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,815 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,815 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,815 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,815 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,817 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,817 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,817 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,817 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,817 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,818 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,818 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,818 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,819 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,819 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,819 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,819 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,819 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,819 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,819 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,822 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,822 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,822 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,822 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,823 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,823 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,823 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,823 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,824 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,824 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,824 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,825 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,825 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,825 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,825 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,825 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:54:48 BoogieIcfgContainer [2019-12-07 11:54:48,828 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:54:48,828 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:54:48,828 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:54:48,828 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:54:48,829 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:54:46" (3/4) ... [2019-12-07 11:54:48,831 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 11:54:48,838 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-12-07 11:54:48,839 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-12-07 11:54:48,839 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 11:54:48,857 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit) [2019-12-07 11:54:48,857 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit)) && \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2019-12-07 11:54:48,858 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit)) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2019-12-07 11:54:48,858 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2019-12-07 11:54:48,876 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f10bd43b-64d8-4a65-afd0-1f1bd39461b2/bin/utaipan/witness.graphml [2019-12-07 11:54:48,877 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:54:48,878 INFO L168 Benchmark]: Toolchain (without parser) took 3232.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 952.4 MB in the beginning and 854.3 MB in the end (delta: 98.1 MB). Peak memory consumption was 220.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:54:48,878 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:54:48,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 163.89 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:54:48,879 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 936.3 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2019-12-07 11:54:48,879 INFO L168 Benchmark]: Boogie Preprocessor took 28.88 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. [2019-12-07 11:54:48,879 INFO L168 Benchmark]: RCFGBuilder took 234.06 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: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:54:48,879 INFO L168 Benchmark]: TraceAbstraction took 2697.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 860.9 MB in the end (delta: 225.2 MB). Peak memory consumption was 225.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:54:48,880 INFO L168 Benchmark]: Witness Printer took 48.73 ms. Allocated memory is still 1.2 GB. Free memory was 860.9 MB in the beginning and 854.3 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 11:54:48,881 INFO L335 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 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 163.89 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 936.3 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.88 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 234.06 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: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2697.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 860.9 MB in the end (delta: 225.2 MB). Peak memory consumption was 225.2 MB. Max. memory is 11.5 GB. * Witness Printer took 48.73 ms. Allocated memory is still 1.2 GB. Free memory was 860.9 MB in the beginning and 854.3 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 67]: 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: 24]: Loop Invariant [2019-12-07 11:54:48,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] Derived loop invariant: ((~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant [2019-12-07 11:54:48,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] Derived loop invariant: ((((((~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit)) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant [2019-12-07 11:54:48,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] Derived loop invariant: (((~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit)) && \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 43]: Loop Invariant [2019-12-07 11:54:48,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-12-07 11:54:48,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] Derived loop invariant: ((((((((~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 1 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 63 SDtfs, 154 SDslu, 93 SDs, 0 SdLazy, 84 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 67 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 13 NumberOfFragments, 263 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 121 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 98 ConstructedInterpolants, 22 QuantifiedInterpolants, 9249 SizeOfPredicates, 27 NumberOfNonLiveVariables, 146 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...