./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1072c.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072c.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16ce03a3dd69e51494a274d069b94d6f99b72863 ................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072c.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16ce03a3dd69e51494a274d069b94d6f99b72863 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:37:37,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:37:37,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:37:37,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:37:37,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:37:37,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:37:37,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:37:37,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:37:37,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:37:37,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:37:37,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:37:37,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:37:37,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:37:37,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:37:37,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:37:37,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:37:37,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:37:37,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:37:37,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:37:37,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:37:37,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:37:37,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:37:37,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:37:37,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:37:37,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:37:37,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:37:37,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:37:37,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:37:37,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:37:37,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:37:37,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:37:37,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:37:37,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:37:37,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:37:37,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:37:37,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:37:37,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:37:37,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:37:37,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:37:37,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:37:37,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:37:37,274 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:37:37,314 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:37:37,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:37:37,316 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:37:37,316 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:37:37,317 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:37:37,317 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:37:37,317 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:37:37,317 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:37:37,317 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:37:37,318 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:37:37,319 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:37:37,319 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:37:37,319 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:37:37,319 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:37:37,320 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:37:37,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:37:37,321 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:37:37,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:37:37,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:37:37,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:37:37,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:37:37,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:37:37,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:37:37,322 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:37:37,322 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:37:37,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:37:37,323 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:37:37,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:37:37,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:37:37,325 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:37:37,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:37:37,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:37:37,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:37:37,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:37:37,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:37:37,326 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:37:37,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:37:37,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:37:37,327 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:37:37,327 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:37:37,327 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16ce03a3dd69e51494a274d069b94d6f99b72863 [2020-11-28 07:37:37,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:37:37,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:37:37,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:37:37,685 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:37:37,687 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:37:37,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1072c.c [2020-11-28 07:37:37,777 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan/data/0a16c867c/3cb5f0b2801c429dbff40b54c1c9e447/FLAG8e93b44b1 [2020-11-28 07:37:38,413 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:37:38,416 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/sv-benchmarks/c/float-newlib/float_req_bl_1072c.c [2020-11-28 07:37:38,428 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan/data/0a16c867c/3cb5f0b2801c429dbff40b54c1c9e447/FLAG8e93b44b1 [2020-11-28 07:37:38,754 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan/data/0a16c867c/3cb5f0b2801c429dbff40b54c1c9e447 [2020-11-28 07:37:38,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:37:38,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:37:38,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:37:38,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:37:38,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:37:38,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:37:38" (1/1) ... [2020-11-28 07:37:38,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25814f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:38, skipping insertion in model container [2020-11-28 07:37:38,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:37:38" (1/1) ... [2020-11-28 07:37:38,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:37:38,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:37:39,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:37:39,070 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:37:39,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:37:39,114 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:37:39,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39 WrapperNode [2020-11-28 07:37:39,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:37:39,116 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:37:39,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:37:39,116 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:37:39,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39" (1/1) ... [2020-11-28 07:37:39,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39" (1/1) ... [2020-11-28 07:37:39,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:37:39,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:37:39,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:37:39,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:37:39,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39" (1/1) ... [2020-11-28 07:37:39,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39" (1/1) ... [2020-11-28 07:37:39,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39" (1/1) ... [2020-11-28 07:37:39,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39" (1/1) ... [2020-11-28 07:37:39,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39" (1/1) ... [2020-11-28 07:37:39,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39" (1/1) ... [2020-11-28 07:37:39,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39" (1/1) ... [2020-11-28 07:37:39,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:37:39,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:37:39,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:37:39,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:37:39,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/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 [2020-11-28 07:37:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 07:37:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:37:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-28 07:37:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 07:37:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-28 07:37:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:37:39,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:37:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 07:37:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 07:37:39,909 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:37:39,910 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-28 07:37:39,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:37:39 BoogieIcfgContainer [2020-11-28 07:37:39,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:37:39,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:37:39,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:37:39,918 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:37:39,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:37:38" (1/3) ... [2020-11-28 07:37:39,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75009cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:37:39, skipping insertion in model container [2020-11-28 07:37:39,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:39" (2/3) ... [2020-11-28 07:37:39,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75009cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:37:39, skipping insertion in model container [2020-11-28 07:37:39,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:37:39" (3/3) ... [2020-11-28 07:37:39,922 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072c.c [2020-11-28 07:37:39,935 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:37:39,940 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 07:37:39,953 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 07:37:39,977 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:37:39,978 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:37:39,978 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:37:39,978 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:37:39,978 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:37:39,978 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:37:39,978 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:37:39,978 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:37:39,992 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-11-28 07:37:39,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 07:37:39,998 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:37:39,999 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:37:39,999 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:37:40,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:37:40,005 INFO L82 PathProgramCache]: Analyzing trace with hash -211558699, now seen corresponding path program 1 times [2020-11-28 07:37:40,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:37:40,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391804940] [2020-11-28 07:37:40,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:37:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:37:40,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:40,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391804940] [2020-11-28 07:37:40,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:37:40,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 07:37:40,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284910806] [2020-11-28 07:37:40,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:37:40,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:37:40,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:37:40,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:37:40,182 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2020-11-28 07:37:40,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:37:40,202 INFO L93 Difference]: Finished difference Result 43 states and 67 transitions. [2020-11-28 07:37:40,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:37:40,203 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-28 07:37:40,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:37:40,213 INFO L225 Difference]: With dead ends: 43 [2020-11-28 07:37:40,213 INFO L226 Difference]: Without dead ends: 20 [2020-11-28 07:37:40,216 INFO L677 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 [2020-11-28 07:37:40,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-11-28 07:37:40,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-11-28 07:37:40,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-11-28 07:37:40,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2020-11-28 07:37:40,254 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 9 [2020-11-28 07:37:40,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:37:40,254 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2020-11-28 07:37:40,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:37:40,254 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2020-11-28 07:37:40,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 07:37:40,255 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:37:40,255 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:37:40,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 07:37:40,256 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:37:40,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:37:40,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1472394920, now seen corresponding path program 1 times [2020-11-28 07:37:40,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:37:40,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049907310] [2020-11-28 07:37:40,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:37:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:37:40,361 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:37:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:37:40,430 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:37:40,452 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-28 07:37:40,452 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 07:37:40,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 07:37:40,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:37:40 BoogieIcfgContainer [2020-11-28 07:37:40,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:37:40,486 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:37:40,486 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:37:40,487 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:37:40,487 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:37:39" (3/4) ... [2020-11-28 07:37:40,491 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 07:37:40,491 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:37:40,497 INFO L168 Benchmark]: Toolchain (without parser) took 1734.09 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 68.4 MB in the beginning and 57.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:40,499 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 96.5 MB. Free memory is still 53.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:37:40,501 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.82 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 68.1 MB in the beginning and 103.8 MB in the end (delta: -35.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:40,503 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.82 ms. Allocated memory is still 127.9 MB. Free memory was 103.8 MB in the beginning and 102.1 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:37:40,504 INFO L168 Benchmark]: Boogie Preprocessor took 36.95 ms. Allocated memory is still 127.9 MB. Free memory was 102.1 MB in the beginning and 100.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:40,505 INFO L168 Benchmark]: RCFGBuilder took 710.15 ms. Allocated memory is still 127.9 MB. Free memory was 100.6 MB in the beginning and 80.7 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:40,506 INFO L168 Benchmark]: TraceAbstraction took 571.02 ms. Allocated memory is still 127.9 MB. Free memory was 80.2 MB in the beginning and 58.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:40,507 INFO L168 Benchmark]: Witness Printer took 6.36 ms. Allocated memory is still 127.9 MB. Free memory was 58.2 MB in the beginning and 57.6 MB in the end (delta: 521.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:37:40,516 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 96.5 MB. Free memory is still 53.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 350.82 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 68.1 MB in the beginning and 103.8 MB in the end (delta: -35.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.82 ms. Allocated memory is still 127.9 MB. Free memory was 103.8 MB in the beginning and 102.1 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.95 ms. Allocated memory is still 127.9 MB. Free memory was 102.1 MB in the beginning and 100.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 710.15 ms. Allocated memory is still 127.9 MB. Free memory was 100.6 MB in the beginning and 80.7 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 571.02 ms. Allocated memory is still 127.9 MB. Free memory was 80.2 MB in the beginning and 58.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Witness Printer took 6.36 ms. Allocated memory is still 127.9 MB. Free memory was 58.2 MB in the beginning and 57.6 MB in the end (delta: 521.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of bitwiseAnd at line 21, overapproximation of someBinaryArithmeticFLOAToperation at line 40. Possible FailurePath: [L64] float x = 0.0f; [L15] __int32_t signbit, w, exponent_less_127; [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (w) = gf_u.word [L21] signbit = w & 0x80000000 [L22] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 [L23] COND FALSE !(exponent_less_127 < 23) [L39] COND TRUE exponent_less_127 == 255 [L40] return x + x; [L65] float res = trunc_float(x); [L68] EXPR res == 0.0f && __signbit_float(res) == 0 [L68] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L4] __assert_fail("0", "float_req_bl_1072c.c", 4, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 25 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: 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 0.2.0-a4ecdab [2020-11-28 07:37:43,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:37:43,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:37:43,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:37:43,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:37:43,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:37:43,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:37:43,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:37:43,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:37:43,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:37:43,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:37:43,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:37:43,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:37:43,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:37:43,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:37:43,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:37:43,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:37:43,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:37:43,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:37:43,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:37:43,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:37:43,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:37:43,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:37:43,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:37:43,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:37:43,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:37:43,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:37:43,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:37:43,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:37:43,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:37:43,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:37:43,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:37:43,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:37:43,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:37:43,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:37:43,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:37:43,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:37:43,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:37:43,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:37:43,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:37:43,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:37:43,363 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:37:43,416 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:37:43,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:37:43,419 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:37:43,419 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:37:43,419 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:37:43,420 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:37:43,420 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:37:43,420 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:37:43,420 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:37:43,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:37:43,423 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:37:43,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:37:43,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:37:43,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:37:43,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:37:43,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:37:43,424 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:37:43,425 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:37:43,425 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:37:43,425 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:37:43,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:37:43,425 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:37:43,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:37:43,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:37:43,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:37:43,426 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:37:43,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:37:43,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:37:43,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:37:43,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:37:43,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:37:43,428 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:37:43,428 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:37:43,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:37:43,429 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:37:43,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:37:43,430 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16ce03a3dd69e51494a274d069b94d6f99b72863 [2020-11-28 07:37:43,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:37:43,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:37:43,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:37:43,874 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:37:43,877 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:37:43,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1072c.c [2020-11-28 07:37:43,965 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan/data/f2c74a380/09a9e30ec62d45d08fab9967d953e363/FLAG7eea07866 [2020-11-28 07:37:44,615 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:37:44,617 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/sv-benchmarks/c/float-newlib/float_req_bl_1072c.c [2020-11-28 07:37:44,627 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan/data/f2c74a380/09a9e30ec62d45d08fab9967d953e363/FLAG7eea07866 [2020-11-28 07:37:44,974 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan/data/f2c74a380/09a9e30ec62d45d08fab9967d953e363 [2020-11-28 07:37:44,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:37:44,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:37:44,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:37:44,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:37:44,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:37:44,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:37:44" (1/1) ... [2020-11-28 07:37:44,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20927804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:44, skipping insertion in model container [2020-11-28 07:37:44,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:37:44" (1/1) ... [2020-11-28 07:37:45,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:37:45,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:37:45,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:37:45,186 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:37:45,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:37:45,263 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:37:45,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:45 WrapperNode [2020-11-28 07:37:45,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:37:45,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:37:45,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:37:45,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:37:45,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:45" (1/1) ... [2020-11-28 07:37:45,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:45" (1/1) ... [2020-11-28 07:37:45,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:37:45,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:37:45,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:37:45,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:37:45,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:45" (1/1) ... [2020-11-28 07:37:45,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:45" (1/1) ... [2020-11-28 07:37:45,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:45" (1/1) ... [2020-11-28 07:37:45,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:45" (1/1) ... [2020-11-28 07:37:45,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:45" (1/1) ... [2020-11-28 07:37:45,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:45" (1/1) ... [2020-11-28 07:37:45,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:45" (1/1) ... [2020-11-28 07:37:45,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:37:45,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:37:45,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:37:45,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:37:45,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/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 [2020-11-28 07:37:45,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:37:45,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:37:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-28 07:37:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 07:37:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:37:45,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:37:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-28 07:37:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 07:37:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 07:37:46,181 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:37:46,181 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-28 07:37:46,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:37:46 BoogieIcfgContainer [2020-11-28 07:37:46,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:37:46,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:37:46,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:37:46,190 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:37:46,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:37:44" (1/3) ... [2020-11-28 07:37:46,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c05a0f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:37:46, skipping insertion in model container [2020-11-28 07:37:46,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:37:45" (2/3) ... [2020-11-28 07:37:46,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c05a0f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:37:46, skipping insertion in model container [2020-11-28 07:37:46,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:37:46" (3/3) ... [2020-11-28 07:37:46,194 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072c.c [2020-11-28 07:37:46,206 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:37:46,210 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 07:37:46,223 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 07:37:46,266 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:37:46,266 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:37:46,267 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:37:46,267 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:37:46,267 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:37:46,267 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:37:46,267 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:37:46,267 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:37:46,283 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2020-11-28 07:37:46,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 07:37:46,289 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:37:46,290 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:37:46,291 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:37:46,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:37:46,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1945115165, now seen corresponding path program 1 times [2020-11-28 07:37:46,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:37:46,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1605250623] [2020-11-28 07:37:46,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/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 [2020-11-28 07:37:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:37:46,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 07:37:46,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:37:46,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:46,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:37:46,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:46,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1605250623] [2020-11-28 07:37:46,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:37:46,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 07:37:46,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478589577] [2020-11-28 07:37:46,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:37:46,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:37:46,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:37:46,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:37:46,547 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 2 states. [2020-11-28 07:37:46,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:37:46,568 INFO L93 Difference]: Finished difference Result 49 states and 73 transitions. [2020-11-28 07:37:46,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:37:46,569 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-28 07:37:46,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:37:46,579 INFO L225 Difference]: With dead ends: 49 [2020-11-28 07:37:46,579 INFO L226 Difference]: Without dead ends: 22 [2020-11-28 07:37:46,583 INFO L677 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 [2020-11-28 07:37:46,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-11-28 07:37:46,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-11-28 07:37:46,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-11-28 07:37:46,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2020-11-28 07:37:46,621 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 10 [2020-11-28 07:37:46,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:37:46,621 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2020-11-28 07:37:46,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:37:46,622 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2020-11-28 07:37:46,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 07:37:46,622 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:37:46,623 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:37:46,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:37:46,839 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:37:46,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:37:46,840 INFO L82 PathProgramCache]: Analyzing trace with hash -390192032, now seen corresponding path program 1 times [2020-11-28 07:37:46,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:37:46,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1721481367] [2020-11-28 07:37:46,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/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 [2020-11-28 07:37:47,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:37:47,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 07:37:47,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:37:47,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:47,229 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:37:47,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:47,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1721481367] [2020-11-28 07:37:47,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:37:47,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-28 07:37:47,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738452209] [2020-11-28 07:37:47,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 07:37:47,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:37:47,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 07:37:47,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-28 07:37:47,337 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand 8 states. [2020-11-28 07:37:47,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:37:47,507 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2020-11-28 07:37:47,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 07:37:47,512 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2020-11-28 07:37:47,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:37:47,513 INFO L225 Difference]: With dead ends: 32 [2020-11-28 07:37:47,513 INFO L226 Difference]: Without dead ends: 19 [2020-11-28 07:37:47,515 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-11-28 07:37:47,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-28 07:37:47,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-28 07:37:47,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-28 07:37:47,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-11-28 07:37:47,521 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 11 [2020-11-28 07:37:47,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:37:47,521 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2020-11-28 07:37:47,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 07:37:47,521 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-11-28 07:37:47,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 07:37:47,522 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:37:47,522 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:37:47,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 07:37:47,746 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:37:47,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:37:47,748 INFO L82 PathProgramCache]: Analyzing trace with hash -675711906, now seen corresponding path program 1 times [2020-11-28 07:37:47,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:37:47,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [236327783] [2020-11-28 07:37:47,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/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 [2020-11-28 07:37:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:37:47,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-28 07:37:47,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:37:48,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:48,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:37:48,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:48,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [236327783] [2020-11-28 07:37:48,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:37:48,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 10 [2020-11-28 07:37:48,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739437480] [2020-11-28 07:37:48,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-28 07:37:48,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:37:48,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-28 07:37:48,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-11-28 07:37:48,224 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 10 states. [2020-11-28 07:37:48,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:37:48,490 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-11-28 07:37:48,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 07:37:48,491 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2020-11-28 07:37:48,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:37:48,492 INFO L225 Difference]: With dead ends: 22 [2020-11-28 07:37:48,492 INFO L226 Difference]: Without dead ends: 19 [2020-11-28 07:37:48,493 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-11-28 07:37:48,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-28 07:37:48,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-28 07:37:48,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-28 07:37:48,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2020-11-28 07:37:48,500 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2020-11-28 07:37:48,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:37:48,500 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2020-11-28 07:37:48,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-28 07:37:48,501 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-11-28 07:37:48,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 07:37:48,502 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:37:48,502 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:37:48,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 07:37:48,719 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:37:48,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:37:48,720 INFO L82 PathProgramCache]: Analyzing trace with hash 438125939, now seen corresponding path program 1 times [2020-11-28 07:37:48,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:37:48,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [829246479] [2020-11-28 07:37:48,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-28 07:37:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:37:48,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 19 conjunts are in the unsatisfiable core [2020-11-28 07:37:48,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:37:49,078 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:37:49,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:49,167 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:37:49,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:37:49,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [829246479] [2020-11-28 07:37:49,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:37:49,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2020-11-28 07:37:49,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370016633] [2020-11-28 07:37:49,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-28 07:37:49,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:37:49,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-28 07:37:49,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2020-11-28 07:37:49,751 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 18 states. [2020-11-28 07:37:50,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:37:50,284 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-11-28 07:37:50,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-28 07:37:50,286 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 18 [2020-11-28 07:37:50,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:37:50,287 INFO L225 Difference]: With dead ends: 19 [2020-11-28 07:37:50,287 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:37:50,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2020-11-28 07:37:50,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:37:50,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:37:50,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:37:50,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:37:50,288 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-11-28 07:37:50,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:37:50,288 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:37:50,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-28 07:37:50,289 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:37:50,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:37:50,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-28 07:37:50,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:37:50,777 INFO L274 CegarLoopResult]: For program point L23(lines 23 41) no Hoare annotation was computed. [2020-11-28 07:37:50,778 INFO L274 CegarLoopResult]: For program point L23-1(lines 23 41) no Hoare annotation was computed. [2020-11-28 07:37:50,778 INFO L274 CegarLoopResult]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2020-11-28 07:37:50,778 INFO L270 CegarLoopResult]: At program point L48-2(lines 48 52) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short17| (= (_ +zero 8 24) |ULTIMATE.start_trunc_float_#res|) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0))))) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483648 32) ULTIMATE.start_trunc_float_~w~0) ULTIMATE.start_trunc_float_~signbit~0) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0))))) (= (_ +zero 8 24) ULTIMATE.start_trunc_float_~x) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)))) [2020-11-28 07:37:50,778 INFO L274 CegarLoopResult]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2020-11-28 07:37:50,779 INFO L277 CegarLoopResult]: At program point L73(lines 57 74) the Hoare annotation is: true [2020-11-28 07:37:50,779 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 07:37:50,779 INFO L274 CegarLoopResult]: For program point L32-1(lines 32 36) no Hoare annotation was computed. [2020-11-28 07:37:50,779 INFO L270 CegarLoopResult]: At program point L32-2(lines 32 36) the Hoare annotation is: false [2020-11-28 07:37:50,779 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:37:50,779 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 07:37:50,779 INFO L274 CegarLoopResult]: For program point L24(lines 24 37) no Hoare annotation was computed. [2020-11-28 07:37:50,779 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-28 07:37:50,780 INFO L274 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2020-11-28 07:37:50,780 INFO L270 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: (= (_ +zero 8 24) ULTIMATE.start_trunc_float_~x) [2020-11-28 07:37:50,780 INFO L274 CegarLoopResult]: For program point L16-3(lines 16 20) no Hoare annotation was computed. [2020-11-28 07:37:50,780 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-11-28 07:37:50,780 INFO L274 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2020-11-28 07:37:50,780 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:37:50,781 INFO L270 CegarLoopResult]: At program point L54(lines 45 55) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short17| (= (_ +zero 8 24) |ULTIMATE.start_trunc_float_#res|) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0))))) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~1) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~1) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~1))) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32)) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483648 32) ULTIMATE.start_trunc_float_~w~0) ULTIMATE.start_trunc_float_~signbit~0) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0))))) (= (_ +zero 8 24) ULTIMATE.start_trunc_float_~x) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)))) [2020-11-28 07:37:50,781 INFO L270 CegarLoopResult]: At program point L42(lines 14 43) the Hoare annotation is: (and (= (_ +zero 8 24) |ULTIMATE.start_trunc_float_#res|) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0))))) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483648 32) ULTIMATE.start_trunc_float_~w~0) ULTIMATE.start_trunc_float_~signbit~0) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0))))) (= (_ +zero 8 24) ULTIMATE.start_trunc_float_~x) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)))) [2020-11-28 07:37:50,781 INFO L274 CegarLoopResult]: For program point L26-1(lines 26 30) no Hoare annotation was computed. [2020-11-28 07:37:50,781 INFO L270 CegarLoopResult]: At program point L26-2(lines 26 30) the Hoare annotation is: (and (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0))))) (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483648 32) ULTIMATE.start_trunc_float_~w~0) ULTIMATE.start_trunc_float_~signbit~0) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0))))) (= (_ +zero 8 24) ULTIMATE.start_trunc_float_~x) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)))) [2020-11-28 07:37:50,781 INFO L274 CegarLoopResult]: For program point L39(lines 39 40) no Hoare annotation was computed. [2020-11-28 07:37:50,781 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-28 07:37:50,782 INFO L274 CegarLoopResult]: For program point L68-2(lines 68 71) no Hoare annotation was computed. [2020-11-28 07:37:50,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,793 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,793 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,801 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,809 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,809 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,809 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,810 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,810 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,810 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,812 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,812 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,812 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,814 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,814 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,815 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,815 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,815 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,815 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,818 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,818 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,818 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,818 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,819 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,819 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,819 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,820 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,822 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,822 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,822 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,822 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:37:50 BoogieIcfgContainer [2020-11-28 07:37:50,825 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:37:50,826 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:37:50,826 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:37:50,826 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:37:50,827 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:37:46" (3/4) ... [2020-11-28 07:37:50,831 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:37:50,844 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-11-28 07:37:50,844 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 07:37:50,845 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 07:37:50,845 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:37:50,874 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0])) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) [2020-11-28 07:37:50,875 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~Pluszero~LONGDOUBLE() == \result && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) [2020-11-28 07:37:50,876 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((aux-res == 0.0f && __signbit_float(res) == 0-aux && ~Pluszero~LONGDOUBLE() == \result) && ~Pluszero~LONGDOUBLE() == res) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && ~Pluszero~LONGDOUBLE() == x) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) [2020-11-28 07:37:50,876 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((aux-res == 0.0f && __signbit_float(res) == 0-aux && ~Pluszero~LONGDOUBLE() == \result) && ~Pluszero~LONGDOUBLE() == res) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) [2020-11-28 07:37:50,903 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3b447101-5ba9-452b-b4de-b7a92253cf94/bin/utaipan/witness.graphml [2020-11-28 07:37:50,908 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:37:50,911 INFO L168 Benchmark]: Toolchain (without parser) took 5931.57 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 60.6 MB in the beginning and 57.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:50,911 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 54.5 MB. Free memory is still 35.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:37:50,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.20 ms. Allocated memory is still 81.8 MB. Free memory was 60.4 MB in the beginning and 49.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:50,917 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.90 ms. Allocated memory is still 81.8 MB. Free memory was 49.5 MB in the beginning and 64.6 MB in the end (delta: -15.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:50,917 INFO L168 Benchmark]: Boogie Preprocessor took 65.51 ms. Allocated memory is still 81.8 MB. Free memory was 64.6 MB in the beginning and 63.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:37:50,918 INFO L168 Benchmark]: RCFGBuilder took 727.11 ms. Allocated memory is still 81.8 MB. Free memory was 63.1 MB in the beginning and 45.1 MB in the end (delta: 18.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:50,918 INFO L168 Benchmark]: TraceAbstraction took 4639.79 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 44.8 MB in the beginning and 60.3 MB in the end (delta: -15.5 MB). Peak memory consumption was 38.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:50,919 INFO L168 Benchmark]: Witness Printer took 82.67 ms. Allocated memory is still 98.6 MB. Free memory was 60.3 MB in the beginning and 57.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:37:50,922 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 54.5 MB. Free memory is still 35.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 285.20 ms. Allocated memory is still 81.8 MB. Free memory was 60.4 MB in the beginning and 49.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 121.90 ms. Allocated memory is still 81.8 MB. Free memory was 49.5 MB in the beginning and 64.6 MB in the end (delta: -15.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.51 ms. Allocated memory is still 81.8 MB. Free memory was 64.6 MB in the beginning and 63.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 727.11 ms. Allocated memory is still 81.8 MB. Free memory was 63.1 MB in the beginning and 45.1 MB in the end (delta: 18.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4639.79 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 44.8 MB in the beginning and 60.3 MB in the end (delta: -15.5 MB). Peak memory consumption was 38.3 MB. Max. memory is 16.1 GB. * Witness Printer took 82.67 ms. Allocated memory is still 98.6 MB. Free memory was 60.3 MB in the beginning and 57.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 14]: Loop Invariant [2020-11-28 07:37:50,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,949 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,950 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,950 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] Derived loop invariant: (((~Pluszero~LONGDOUBLE() == \result && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) - InvariantResult [Line: 45]: Loop Invariant [2020-11-28 07:37:50,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,959 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,959 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,959 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,970 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,970 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,970 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] Derived loop invariant: ((((((((aux-res == 0.0f && __signbit_float(res) == 0-aux && ~Pluszero~LONGDOUBLE() == \result) && ~Pluszero~LONGDOUBLE() == res) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) - InvariantResult [Line: 26]: Loop Invariant [2020-11-28 07:37:50,973 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,977 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,977 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,978 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,978 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,978 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,978 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,979 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,979 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] Derived loop invariant: (((\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0])) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant [2020-11-28 07:37:50,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,985 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,985 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,988 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,989 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,989 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,989 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,989 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2020-11-28 07:37:50,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] Derived loop invariant: ((((((aux-res == 0.0f && __signbit_float(res) == 0-aux && ~Pluszero~LONGDOUBLE() == \result) && ~Pluszero~LONGDOUBLE() == res) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && ~Pluszero~LONGDOUBLE() == x) && (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) == signbit && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]))) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 62 SDtfs, 187 SDslu, 79 SDs, 0 SdLazy, 83 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 64 SyntacticMatches, 4 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 13 NumberOfFragments, 236 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 98 ConstructedInterpolants, 19 QuantifiedInterpolants, 8738 SizeOfPredicates, 29 NumberOfNonLiveVariables, 206 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...