./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1122b.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_a794e620-1d18-463b-9afe-bde136f8c65a/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1122b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/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 966a39a7fc394dd5618380a7eca7745f36106277 ...................................................................................................................................................................................................................................................................................................... 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_a794e620-1d18-463b-9afe-bde136f8c65a/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1122b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/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 966a39a7fc394dd5618380a7eca7745f36106277 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 12:38:34,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:38:34,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:38:34,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:38:34,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:38:34,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:38:34,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:38:34,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:38:34,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:38:34,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:38:34,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:38:34,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:38:34,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:38:34,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:38:34,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:38:34,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:38:34,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:38:34,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:38:34,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:38:34,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:38:34,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:38:34,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:38:34,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:38:34,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:38:34,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:38:34,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:38:34,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:38:34,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:38:34,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:38:34,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:38:34,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:38:34,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:38:34,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:38:34,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:38:34,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:38:34,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:38:34,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:38:34,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:38:34,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:38:34,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:38:34,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:38:34,209 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 12:38:34,221 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:38:34,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:38:34,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:38:34,222 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:38:34,222 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:38:34,222 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:38:34,222 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 12:38:34,222 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:38:34,222 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:38:34,222 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 12:38:34,223 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 12:38:34,223 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:38:34,223 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 12:38:34,223 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 12:38:34,223 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 12:38:34,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:38:34,224 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:38:34,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:38:34,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:38:34,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:38:34,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:38:34,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:38:34,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:38:34,225 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:38:34,225 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:38:34,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:38:34,225 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:38:34,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:38:34,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:38:34,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:38:34,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:38:34,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:38:34,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:38:34,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:38:34,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:38:34,226 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 12:38:34,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:38:34,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:38:34,227 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:38:34,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:38:34,227 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_a794e620-1d18-463b-9afe-bde136f8c65a/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 -> 966a39a7fc394dd5618380a7eca7745f36106277 [2019-12-07 12:38:34,335 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:38:34,345 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:38:34,348 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:38:34,349 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:38:34,350 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:38:34,350 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1122b.c [2019-12-07 12:38:34,392 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/bin/utaipan/data/7630a854b/37359bfb495a42aa95fd86ed2f8ce0c6/FLAG015bb4dbf [2019-12-07 12:38:34,796 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:38:34,797 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/sv-benchmarks/c/float-newlib/float_req_bl_1122b.c [2019-12-07 12:38:34,801 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/bin/utaipan/data/7630a854b/37359bfb495a42aa95fd86ed2f8ce0c6/FLAG015bb4dbf [2019-12-07 12:38:34,810 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/bin/utaipan/data/7630a854b/37359bfb495a42aa95fd86ed2f8ce0c6 [2019-12-07 12:38:34,811 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:38:34,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:38:34,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:38:34,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:38:34,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:38:34,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:38:34" (1/1) ... [2019-12-07 12:38:34,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d205ef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:34, skipping insertion in model container [2019-12-07 12:38:34,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:38:34" (1/1) ... [2019-12-07 12:38:34,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:38:34,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:38:34,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:38:34,989 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:38:35,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:38:35,024 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:38:35,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:35 WrapperNode [2019-12-07 12:38:35,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:38:35,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:38:35,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:38:35,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:38:35,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:35" (1/1) ... [2019-12-07 12:38:35,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:35" (1/1) ... [2019-12-07 12:38:35,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:38:35,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:38:35,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:38:35,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:38:35,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:35" (1/1) ... [2019-12-07 12:38:35,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:35" (1/1) ... [2019-12-07 12:38:35,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:35" (1/1) ... [2019-12-07 12:38:35,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:35" (1/1) ... [2019-12-07 12:38:35,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:35" (1/1) ... [2019-12-07 12:38:35,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:35" (1/1) ... [2019-12-07 12:38:35,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:35" (1/1) ... [2019-12-07 12:38:35,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:38:35,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:38:35,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:38:35,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:38:35,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/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 12:38:35,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:38:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 12:38:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 12:38:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 12:38:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:38:35,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:38:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 12:38:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 12:38:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 12:38:35,380 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:38:35,380 INFO L287 CfgBuilder]: Removed 20 assume(true) statements. [2019-12-07 12:38:35,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:38:35 BoogieIcfgContainer [2019-12-07 12:38:35,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:38:35,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:38:35,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:38:35,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:38:35,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:38:34" (1/3) ... [2019-12-07 12:38:35,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462cd3a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:38:35, skipping insertion in model container [2019-12-07 12:38:35,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:35" (2/3) ... [2019-12-07 12:38:35,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462cd3a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:38:35, skipping insertion in model container [2019-12-07 12:38:35,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:38:35" (3/3) ... [2019-12-07 12:38:35,386 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1122b.c [2019-12-07 12:38:35,392 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:38:35,397 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:38:35,405 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:38:35,419 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:38:35,420 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:38:35,420 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:38:35,420 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:38:35,420 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:38:35,420 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:38:35,420 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:38:35,420 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:38:35,430 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2019-12-07 12:38:35,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 12:38:35,433 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:38:35,434 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:38:35,434 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:38:35,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:38:35,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1340338453, now seen corresponding path program 1 times [2019-12-07 12:38:35,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 12:38:35,444 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164633144] [2019-12-07 12:38:35,444 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:38:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:38:35,521 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 12:38:35,522 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164633144] [2019-12-07 12:38:35,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:38:35,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:38:35,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295654325] [2019-12-07 12:38:35,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:38:35,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 12:38:35,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:38:35,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:38:35,537 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2019-12-07 12:38:35,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:38:35,550 INFO L93 Difference]: Finished difference Result 67 states and 111 transitions. [2019-12-07 12:38:35,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:38:35,551 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-12-07 12:38:35,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:38:35,558 INFO L225 Difference]: With dead ends: 67 [2019-12-07 12:38:35,558 INFO L226 Difference]: Without dead ends: 32 [2019-12-07 12:38:35,560 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 12:38:35,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-12-07 12:38:35,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2019-12-07 12:38:35,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-12-07 12:38:35,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 44 transitions. [2019-12-07 12:38:35,583 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 44 transitions. Word has length 8 [2019-12-07 12:38:35,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:38:35,583 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 44 transitions. [2019-12-07 12:38:35,583 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:38:35,583 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2019-12-07 12:38:35,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 12:38:35,583 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:38:35,583 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:38:35,584 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:38:35,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:38:35,584 INFO L82 PathProgramCache]: Analyzing trace with hash 932105592, now seen corresponding path program 1 times [2019-12-07 12:38:35,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 12:38:35,584 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102267522] [2019-12-07 12:38:35,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:38:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:38:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:38:35,664 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 12:38:35,664 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 12:38:35,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:38:35 BoogieIcfgContainer [2019-12-07 12:38:35,683 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:38:35,684 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:38:35,684 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:38:35,684 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:38:35,684 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:38:35" (3/4) ... [2019-12-07 12:38:35,686 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 12:38:35,687 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:38:35,688 INFO L168 Benchmark]: Toolchain (without parser) took 875.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 948.9 MB in the beginning and 1.0 GB in the end (delta: -65.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:38:35,688 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:38:35,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 211.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -138.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:38:35,689 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.11 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:38:35,689 INFO L168 Benchmark]: Boogie Preprocessor took 22.31 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 12:38:35,690 INFO L168 Benchmark]: RCFGBuilder took 304.04 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: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:38:35,690 INFO L168 Benchmark]: TraceAbstraction took 301.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:38:35,691 INFO L168 Benchmark]: Witness Printer took 2.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:38:35,693 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 211.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -138.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.11 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 304.04 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: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 301.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 123]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of someUnaryDOUBLEoperation at line 14, overapproximation of bitwiseAnd at line 30, overapproximation of someBinaryArithmeticFLOAToperation at line 35, overapproximation of bitwiseXor at line 31. Possible FailurePath: [L12-L15] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L117] float x = -1.0f / 0.0f; [L118] float y = __VERIFIER_nondet_float(); [L18] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [one_fmod=1, Zero_fmod={3:0}] [L21] ieee_float_shape_type gf_u; [L22] gf_u.value = (x) [L23] EXPR gf_u.word [L23] (hx) = gf_u.word [L26] ieee_float_shape_type gf_u; [L27] gf_u.value = (y) [L28] EXPR gf_u.word [L28] (hy) = gf_u.word [L30] sx = hx & 0x80000000 [L31] hx ^= sx [L32] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={3:0}] [L34] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L35] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={3:0}] [L119] float res = fmod_float(x, y); [L108] return x != x; [L122] COND TRUE !isnan_float(res) [L123] __VERIFIER_error() VAL [one_fmod=1, Zero_fmod={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 46 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=34occurred 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, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 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 12:38:37,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:38:37,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:38:37,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:38:37,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:38:37,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:38:37,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:38:37,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:38:37,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:38:37,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:38:37,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:38:37,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:38:37,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:38:37,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:38:37,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:38:37,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:38:37,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:38:37,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:38:37,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:38:37,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:38:37,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:38:37,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:38:37,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:38:37,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:38:37,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:38:37,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:38:37,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:38:37,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:38:37,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:38:37,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:38:37,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:38:37,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:38:37,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:38:37,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:38:37,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:38:37,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:38:37,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:38:37,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:38:37,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:38:37,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:38:37,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:38:37,054 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 12:38:37,064 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:38:37,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:38:37,065 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:38:37,065 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:38:37,065 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:38:37,065 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:38:37,065 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:38:37,065 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:38:37,066 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:38:37,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:38:37,066 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:38:37,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:38:37,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:38:37,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:38:37,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:38:37,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:38:37,067 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:38:37,067 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 12:38:37,067 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 12:38:37,067 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:38:37,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:38:37,068 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:38:37,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:38:37,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:38:37,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:38:37,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:38:37,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:38:37,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:38:37,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:38:37,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:38:37,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:38:37,069 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 12:38:37,069 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 12:38:37,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:38:37,069 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:38:37,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:38:37,070 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_a794e620-1d18-463b-9afe-bde136f8c65a/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 -> 966a39a7fc394dd5618380a7eca7745f36106277 [2019-12-07 12:38:37,238 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:38:37,247 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:38:37,249 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:38:37,250 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:38:37,250 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:38:37,251 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1122b.c [2019-12-07 12:38:37,290 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/bin/utaipan/data/eacb831e0/84309a73486841aabeab54047be76f58/FLAGf362dfe60 [2019-12-07 12:38:37,680 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:38:37,681 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/sv-benchmarks/c/float-newlib/float_req_bl_1122b.c [2019-12-07 12:38:37,686 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/bin/utaipan/data/eacb831e0/84309a73486841aabeab54047be76f58/FLAGf362dfe60 [2019-12-07 12:38:38,073 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/bin/utaipan/data/eacb831e0/84309a73486841aabeab54047be76f58 [2019-12-07 12:38:38,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:38:38,081 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:38:38,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:38:38,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:38:38,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:38:38,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:38:38" (1/1) ... [2019-12-07 12:38:38,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f11b25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:38, skipping insertion in model container [2019-12-07 12:38:38,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:38:38" (1/1) ... [2019-12-07 12:38:38,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:38:38,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:38:38,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:38:38,238 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:38:38,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:38:38,313 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:38:38,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:38 WrapperNode [2019-12-07 12:38:38,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:38:38,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:38:38,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:38:38,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:38:38,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:38" (1/1) ... [2019-12-07 12:38:38,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:38" (1/1) ... [2019-12-07 12:38:38,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:38:38,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:38:38,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:38:38,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:38:38,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:38" (1/1) ... [2019-12-07 12:38:38,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:38" (1/1) ... [2019-12-07 12:38:38,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:38" (1/1) ... [2019-12-07 12:38:38,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:38" (1/1) ... [2019-12-07 12:38:38,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:38" (1/1) ... [2019-12-07 12:38:38,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:38" (1/1) ... [2019-12-07 12:38:38,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:38" (1/1) ... [2019-12-07 12:38:38,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:38:38,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:38:38,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:38:38,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:38:38,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/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 12:38:38,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-12-07 12:38:38,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:38:38,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 12:38:38,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 12:38:38,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:38:38,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:38:38,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 12:38:38,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 12:38:38,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 12:38:40,070 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:38:40,070 INFO L287 CfgBuilder]: Removed 20 assume(true) statements. [2019-12-07 12:38:40,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:38:40 BoogieIcfgContainer [2019-12-07 12:38:40,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:38:40,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:38:40,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:38:40,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:38:40,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:38:38" (1/3) ... [2019-12-07 12:38:40,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1128e40d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:38:40, skipping insertion in model container [2019-12-07 12:38:40,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:38:38" (2/3) ... [2019-12-07 12:38:40,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1128e40d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:38:40, skipping insertion in model container [2019-12-07 12:38:40,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:38:40" (3/3) ... [2019-12-07 12:38:40,076 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1122b.c [2019-12-07 12:38:40,082 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:38:40,087 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:38:40,094 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:38:40,109 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:38:40,109 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:38:40,109 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:38:40,109 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:38:40,109 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:38:40,109 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:38:40,109 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:38:40,109 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:38:40,119 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2019-12-07 12:38:40,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 12:38:40,123 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:38:40,123 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:38:40,123 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:38:40,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:38:40,127 INFO L82 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2019-12-07 12:38:40,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:38:40,134 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [670149481] [2019-12-07 12:38:40,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/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 12:38:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:38:40,374 INFO L264 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 12:38:40,378 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:38:40,387 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 12:38:40,387 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:38:40,389 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 12:38:40,390 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [670149481] [2019-12-07 12:38:40,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:38:40,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 12:38:40,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482853023] [2019-12-07 12:38:40,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:38:40,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:38:40,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:38:40,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:38:40,409 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2019-12-07 12:38:40,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:38:40,428 INFO L93 Difference]: Finished difference Result 82 states and 138 transitions. [2019-12-07 12:38:40,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:38:40,429 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 12:38:40,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:38:40,437 INFO L225 Difference]: With dead ends: 82 [2019-12-07 12:38:40,437 INFO L226 Difference]: Without dead ends: 39 [2019-12-07 12:38:40,439 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 12:38:40,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-12-07 12:38:40,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-12-07 12:38:40,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-12-07 12:38:40,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2019-12-07 12:38:40,463 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2019-12-07 12:38:40,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:38:40,463 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2019-12-07 12:38:40,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:38:40,463 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2019-12-07 12:38:40,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 12:38:40,464 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:38:40,464 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:38:40,664 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 12:38:40,665 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:38:40,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:38:40,666 INFO L82 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2019-12-07 12:38:40,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:38:40,669 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1571138147] [2019-12-07 12:38:40,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/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 12:38:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:38:40,937 INFO L264 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 12:38:40,938 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:38:42,446 WARN L192 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-12-07 12:38:42,449 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 12:38:43,300 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 12:38:43,301 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:38:46,447 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_fmod_float_~y (_ FloatingPoint 8 24))) (not (let ((.cse0 (let ((.cse1 (fp.mul c_currentRoundingMode c_ULTIMATE.start_fmod_float_~x ULTIMATE.start_fmod_float_~y))) (fp.div c_currentRoundingMode .cse1 .cse1)))) (fp.eq .cse0 .cse0)))) is different from true [2019-12-07 12:38:46,684 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 12:38:46,685 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1571138147] [2019-12-07 12:38:46,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:38:46,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2019-12-07 12:38:46,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82548470] [2019-12-07 12:38:46,687 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 12:38:46,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:38:46,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 12:38:46,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=69, Unknown=1, NotChecked=16, Total=110 [2019-12-07 12:38:46,688 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand 11 states. [2019-12-07 12:38:52,110 WARN L192 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2019-12-07 12:38:54,968 WARN L192 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2019-12-07 12:38:57,514 WARN L192 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2019-12-07 12:38:57,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:38:57,751 INFO L93 Difference]: Finished difference Result 49 states and 62 transitions. [2019-12-07 12:38:57,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 12:38:57,752 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 12 [2019-12-07 12:38:57,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:38:57,753 INFO L225 Difference]: With dead ends: 49 [2019-12-07 12:38:57,753 INFO L226 Difference]: Without dead ends: 44 [2019-12-07 12:38:57,754 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=51, Invalid=108, Unknown=1, NotChecked=22, Total=182 [2019-12-07 12:38:57,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-12-07 12:38:57,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 39. [2019-12-07 12:38:57,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-12-07 12:38:57,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2019-12-07 12:38:57,759 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 53 transitions. Word has length 12 [2019-12-07 12:38:57,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:38:57,759 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 53 transitions. [2019-12-07 12:38:57,759 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 12:38:57,759 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2019-12-07 12:38:57,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 12:38:57,760 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:38:57,760 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:38:57,960 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 12:38:57,961 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:38:57,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:38:57,962 INFO L82 PathProgramCache]: Analyzing trace with hash -302456811, now seen corresponding path program 1 times [2019-12-07 12:38:57,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:38:57,963 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [319489379] [2019-12-07 12:38:57,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/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 12:38:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:38:58,052 INFO L264 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 12:38:58,054 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:38:58,116 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 12:38:58,117 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:38:58,191 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 12:38:58,191 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [319489379] [2019-12-07 12:38:58,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:38:58,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 12:38:58,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248752034] [2019-12-07 12:38:58,192 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 12:38:58,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:38:58,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 12:38:58,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-12-07 12:38:58,193 INFO L87 Difference]: Start difference. First operand 39 states and 53 transitions. Second operand 8 states. [2019-12-07 12:38:58,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:38:58,293 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2019-12-07 12:38:58,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:38:58,293 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2019-12-07 12:38:58,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:38:58,294 INFO L225 Difference]: With dead ends: 39 [2019-12-07 12:38:58,294 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 12:38:58,295 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 12:38:58,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 12:38:58,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 12:38:58,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 12:38:58,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:38:58,295 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-12-07 12:38:58,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:38:58,296 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:38:58,296 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 12:38:58,296 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:38:58,296 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 12:38:58,496 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 12:38:58,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 12:38:59,367 WARN L192 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2019-12-07 12:39:00,138 WARN L192 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2019-12-07 12:39:00,140 INFO L246 CegarLoopResult]: For program point L52-1(lines 17 105) no Hoare annotation was computed. [2019-12-07 12:39:00,140 INFO L246 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2019-12-07 12:39:00,140 INFO L249 CegarLoopResult]: At program point L127(lines 110 128) the Hoare annotation is: true [2019-12-07 12:39:00,141 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 12:39:00,141 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 12:39:00,141 INFO L246 CegarLoopResult]: For program point L86(lines 86 103) no Hoare annotation was computed. [2019-12-07 12:39:00,141 INFO L246 CegarLoopResult]: For program point L20-1(lines 20 24) no Hoare annotation was computed. [2019-12-07 12:39:00,141 INFO L242 CegarLoopResult]: At program point L20-2(lines 20 24) the Hoare annotation is: (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_fmod_float_~x) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 12:39:00,141 INFO L246 CegarLoopResult]: For program point L70(lines 70 71) no Hoare annotation was computed. [2019-12-07 12:39:00,141 INFO L246 CegarLoopResult]: For program point L46(lines 17 105) no Hoare annotation was computed. [2019-12-07 12:39:00,141 INFO L242 CegarLoopResult]: At program point L104(lines 17 105) the Hoare annotation is: (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_fmod_float_~x) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_fmod_float_~y (_ FloatingPoint 8 24))) (= |ULTIMATE.start_fmod_float_#res| (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) ULTIMATE.start_fmod_float_~y))) (fp.div roundNearestTiesToEven .cse0 .cse0))))) [2019-12-07 12:39:00,141 INFO L246 CegarLoopResult]: For program point L38(lines 38 39) no Hoare annotation was computed. [2019-12-07 12:39:00,142 INFO L246 CegarLoopResult]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2019-12-07 12:39:00,142 INFO L242 CegarLoopResult]: At program point L88-2(lines 88 92) the Hoare annotation is: false [2019-12-07 12:39:00,142 INFO L246 CegarLoopResult]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2019-12-07 12:39:00,142 INFO L242 CegarLoopResult]: At program point L47-3(lines 47 48) the Hoare annotation is: false [2019-12-07 12:39:00,142 INFO L246 CegarLoopResult]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2019-12-07 12:39:00,142 INFO L242 CegarLoopResult]: At program point L97-2(lines 97 101) the Hoare annotation is: false [2019-12-07 12:39:00,142 INFO L246 CegarLoopResult]: For program point L97-3(lines 97 101) no Hoare annotation was computed. [2019-12-07 12:39:00,142 INFO L246 CegarLoopResult]: For program point L122(lines 122 125) no Hoare annotation was computed. [2019-12-07 12:39:00,142 INFO L246 CegarLoopResult]: For program point L40(lines 40 44) no Hoare annotation was computed. [2019-12-07 12:39:00,142 INFO L246 CegarLoopResult]: For program point L40-1(lines 17 105) no Hoare annotation was computed. [2019-12-07 12:39:00,142 INFO L246 CegarLoopResult]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2019-12-07 12:39:00,143 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 12:39:00,143 INFO L246 CegarLoopResult]: For program point L65-3(lines 65 74) no Hoare annotation was computed. [2019-12-07 12:39:00,143 INFO L246 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2019-12-07 12:39:00,143 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2019-12-07 12:39:00,143 INFO L242 CegarLoopResult]: At program point L82-2(lines 82 85) the Hoare annotation is: false [2019-12-07 12:39:00,143 INFO L246 CegarLoopResult]: For program point L82-3(lines 17 105) no Hoare annotation was computed. [2019-12-07 12:39:00,143 INFO L246 CegarLoopResult]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2019-12-07 12:39:00,143 INFO L242 CegarLoopResult]: At program point L41-3(lines 41 42) the Hoare annotation is: false [2019-12-07 12:39:00,143 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 12:39:00,143 INFO L246 CegarLoopResult]: For program point L25(lines 25 29) no Hoare annotation was computed. [2019-12-07 12:39:00,144 INFO L246 CegarLoopResult]: For program point L58-1(lines 58 63) no Hoare annotation was computed. [2019-12-07 12:39:00,144 INFO L246 CegarLoopResult]: For program point L25-1(lines 17 105) no Hoare annotation was computed. [2019-12-07 12:39:00,144 INFO L246 CegarLoopResult]: For program point L25-2(lines 25 29) no Hoare annotation was computed. [2019-12-07 12:39:00,144 INFO L242 CegarLoopResult]: At program point L108(line 108) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_fmod_float_~x) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_fmod_float_~y (_ FloatingPoint 8 24))) (= |ULTIMATE.start_fmod_float_#res| (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) ULTIMATE.start_fmod_float_~y))) (fp.div roundNearestTiesToEven .cse0 .cse0))))) [2019-12-07 12:39:00,144 INFO L246 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2019-12-07 12:39:00,144 INFO L246 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-12-07 12:39:00,144 INFO L242 CegarLoopResult]: At program point L67-2(lines 65 74) the Hoare annotation is: false [2019-12-07 12:39:00,144 INFO L246 CegarLoopResult]: For program point L76(lines 76 78) no Hoare annotation was computed. [2019-12-07 12:39:00,144 INFO L246 CegarLoopResult]: For program point L76-2(lines 17 105) no Hoare annotation was computed. [2019-12-07 12:39:00,153 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,153 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,153 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,154 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-12-07 12:39:00,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,154 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-12-07 12:39:00,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,157 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,158 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-12-07 12:39:00,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-12-07 12:39:00,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-12-07 12:39:00,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-12-07 12:39:00,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-12-07 12:39:00,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,165 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,165 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-12-07 12:39:00,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:39:00 BoogieIcfgContainer [2019-12-07 12:39:00,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:39:00,167 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:39:00,167 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:39:00,167 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:39:00,168 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:38:40" (3/4) ... [2019-12-07 12:39:00,170 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 12:39:00,178 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-07 12:39:00,178 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 12:39:00,179 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:39:00,207 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a794e620-1d18-463b-9afe-bde136f8c65a/bin/utaipan/witness.graphml [2019-12-07 12:39:00,207 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:39:00,208 INFO L168 Benchmark]: Toolchain (without parser) took 22128.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 952.4 MB in the beginning and 933.1 MB in the end (delta: 19.3 MB). Peak memory consumption was 139.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:39:00,208 INFO L168 Benchmark]: CDTParser took 0.13 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 12:39:00,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:39:00,209 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.09 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 12:39:00,209 INFO L168 Benchmark]: Boogie Preprocessor took 30.29 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:39:00,209 INFO L168 Benchmark]: RCFGBuilder took 1694.75 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: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:39:00,210 INFO L168 Benchmark]: TraceAbstraction took 20094.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 939.7 MB in the end (delta: 126.5 MB). Peak memory consumption was 126.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:39:00,210 INFO L168 Benchmark]: Witness Printer took 39.66 ms. Allocated memory is still 1.1 GB. Free memory was 939.7 MB in the beginning and 933.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:39:00,212 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 231.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.09 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 30.29 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1694.75 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: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20094.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 939.7 MB in the end (delta: 126.5 MB). Peak memory consumption was 126.5 MB. Max. memory is 11.5 GB. * Witness Printer took 39.66 ms. Allocated memory is still 1.1 GB. Free memory was 939.7 MB in the beginning and 933.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 123]: 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: 110]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 108]: Loop Invariant [2019-12-07 12:39:00,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,218 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-12-07 12:39:00,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,218 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-12-07 12:39:00,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,219 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,219 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,219 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,219 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,219 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,220 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-12-07 12:39:00,220 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,220 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,220 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,220 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-12-07 12:39:00,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((1bv32 == \result && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_fmod_float_~y : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y))) - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant [2019-12-07 12:39:00,221 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,221 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,222 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,222 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,222 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 17]: Loop Invariant [2019-12-07 12:39:00,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-12-07 12:39:00,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-12-07 12:39:00,223 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,223 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,223 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,224 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,224 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,224 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,224 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,224 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-12-07 12:39:00,225 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,225 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,225 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:39:00,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2019-12-07 12:39:00,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:39:00,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_fmod_float_~y : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Result: SAFE, OverallTime: 18.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, HoareTripleCheckerStatistics: 109 SDtfs, 109 SDslu, 202 SDs, 0 SdLazy, 52 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 15.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 14 NumberOfFragments, 99 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 10 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 64 ConstructedInterpolants, 14 QuantifiedInterpolants, 5069 SizeOfPredicates, 19 NumberOfNonLiveVariables, 154 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...