./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6b275d471d235c565842a02c594b024c1203d73 ............................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6b275d471d235c565842a02c594b024c1203d73 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:00:16,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:00:16,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:00:16,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:00:16,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:00:16,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:00:16,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:00:16,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:00:16,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:00:16,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:00:16,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:00:16,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:00:16,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:00:16,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:00:16,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:00:16,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:00:16,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:00:16,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:00:16,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:00:16,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:00:16,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:00:16,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:00:16,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:00:16,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:00:16,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:00:16,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:00:16,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:00:16,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:00:16,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:00:16,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:00:16,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:00:16,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:00:16,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:00:16,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:00:16,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:00:16,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:00:16,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:00:16,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:00:16,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:00:16,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:00:16,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:00:16,179 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 17:00:16,191 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:00:16,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:00:16,192 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 17:00:16,192 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 17:00:16,193 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 17:00:16,193 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 17:00:16,193 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 17:00:16,193 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 17:00:16,193 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 17:00:16,193 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 17:00:16,193 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 17:00:16,194 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 17:00:16,194 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 17:00:16,194 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 17:00:16,194 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 17:00:16,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:00:16,195 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:00:16,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:00:16,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:00:16,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:00:16,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:00:16,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:00:16,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:00:16,196 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 17:00:16,196 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:00:16,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:00:16,196 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:00:16,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:00:16,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:00:16,197 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:00:16,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:00:16,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:00:16,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:00:16,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:00:16,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:00:16,198 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 17:00:16,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:00:16,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:00:16,199 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:00:16,199 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 17:00:16,199 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6b275d471d235c565842a02c594b024c1203d73 [2019-12-07 17:00:16,299 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:00:16,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:00:16,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:00:16,311 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:00:16,312 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:00:16,312 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2019-12-07 17:00:16,359 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/data/740c99e09/1921fcabb6304ba9999c43bce9691ae0/FLAG46c8efce9 [2019-12-07 17:00:16,744 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:00:16,744 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2019-12-07 17:00:16,749 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/data/740c99e09/1921fcabb6304ba9999c43bce9691ae0/FLAG46c8efce9 [2019-12-07 17:00:17,132 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/data/740c99e09/1921fcabb6304ba9999c43bce9691ae0 [2019-12-07 17:00:17,134 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:00:17,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:00:17,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:00:17,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:00:17,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:00:17,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:00:17" (1/1) ... [2019-12-07 17:00:17,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d89530c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:17, skipping insertion in model container [2019-12-07 17:00:17,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:00:17" (1/1) ... [2019-12-07 17:00:17,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:00:17,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:00:17,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:00:17,335 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:00:17,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:00:17,387 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:00:17,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:17 WrapperNode [2019-12-07 17:00:17,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:00:17,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:00:17,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:00:17,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:00:17,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:17" (1/1) ... [2019-12-07 17:00:17,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:17" (1/1) ... [2019-12-07 17:00:17,428 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:00:17,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:00:17,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:00:17,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:00:17,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:17" (1/1) ... [2019-12-07 17:00:17,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:17" (1/1) ... [2019-12-07 17:00:17,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:17" (1/1) ... [2019-12-07 17:00:17,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:17" (1/1) ... [2019-12-07 17:00:17,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:17" (1/1) ... [2019-12-07 17:00:17,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:17" (1/1) ... [2019-12-07 17:00:17,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:17" (1/1) ... [2019-12-07 17:00:17,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:00:17,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:00:17,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:00:17,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:00:17,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:00:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:00:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 17:00:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:00:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 17:00:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:00:17,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:00:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:00:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 17:00:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:00:18,078 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:00:18,079 INFO L287 CfgBuilder]: Removed 46 assume(true) statements. [2019-12-07 17:00:18,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:00:18 BoogieIcfgContainer [2019-12-07 17:00:18,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:00:18,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:00:18,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:00:18,083 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:00:18,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:00:17" (1/3) ... [2019-12-07 17:00:18,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23cb2d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:00:18, skipping insertion in model container [2019-12-07 17:00:18,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:17" (2/3) ... [2019-12-07 17:00:18,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23cb2d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:00:18, skipping insertion in model container [2019-12-07 17:00:18,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:00:18" (3/3) ... [2019-12-07 17:00:18,086 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c [2019-12-07 17:00:18,095 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:00:18,100 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:00:18,110 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:00:18,125 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:00:18,126 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:00:18,126 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:00:18,126 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:00:18,126 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:00:18,126 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:00:18,126 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:00:18,126 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:00:18,136 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2019-12-07 17:00:18,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 17:00:18,140 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:00:18,140 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:00:18,141 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:00:18,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:00:18,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1583699032, now seen corresponding path program 1 times [2019-12-07 17:00:18,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 17:00:18,150 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191176680] [2019-12-07 17:00:18,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:00:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:00:18,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:00:18,276 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191176680] [2019-12-07 17:00:18,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:00:18,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:00:18,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340408473] [2019-12-07 17:00:18,280 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:00:18,280 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 17:00:18,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:00:18,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:00:18,290 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2019-12-07 17:00:18,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:00:18,307 INFO L93 Difference]: Finished difference Result 154 states and 263 transitions. [2019-12-07 17:00:18,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:00:18,308 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 17:00:18,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:00:18,315 INFO L225 Difference]: With dead ends: 154 [2019-12-07 17:00:18,316 INFO L226 Difference]: Without dead ends: 75 [2019-12-07 17:00:18,318 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:00:18,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-12-07 17:00:18,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2019-12-07 17:00:18,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-12-07 17:00:18,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2019-12-07 17:00:18,343 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 10 [2019-12-07 17:00:18,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:00:18,344 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2019-12-07 17:00:18,344 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:00:18,344 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2019-12-07 17:00:18,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 17:00:18,344 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:00:18,344 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:00:18,344 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:00:18,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:00:18,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1724202511, now seen corresponding path program 1 times [2019-12-07 17:00:18,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 17:00:18,345 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528216435] [2019-12-07 17:00:18,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:00:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:00:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:00:18,441 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 17:00:18,441 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:00:18,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:00:18 BoogieIcfgContainer [2019-12-07 17:00:18,467 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:00:18,468 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:00:18,468 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:00:18,468 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:00:18,468 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:00:18" (3/4) ... [2019-12-07 17:00:18,470 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:00:18,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:00:18,472 INFO L168 Benchmark]: Toolchain (without parser) took 1336.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 945.2 MB in the beginning and 963.8 MB in the end (delta: -18.7 MB). Peak memory consumption was 82.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:00:18,472 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:00:18,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -144.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:00:18,473 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:00:18,474 INFO L168 Benchmark]: Boogie Preprocessor took 38.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:00:18,474 INFO L168 Benchmark]: RCFGBuilder took 612.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.1 MB in the end (delta: 88.2 MB). Peak memory consumption was 88.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:00:18,474 INFO L168 Benchmark]: TraceAbstraction took 386.66 ms. Allocated memory is still 1.1 GB. Free memory was 996.1 MB in the beginning and 963.8 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:00:18,475 INFO L168 Benchmark]: Witness Printer took 2.92 ms. Allocated memory is still 1.1 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:00:18,477 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 251.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -144.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 612.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.1 MB in the end (delta: 88.2 MB). Peak memory consumption was 88.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 386.66 ms. Allocated memory is still 1.1 GB. Free memory was 996.1 MB in the beginning and 963.8 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.92 ms. Allocated memory is still 1.1 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 234]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 45, overapproximation of bitwiseAnd at line 136, overapproximation of someBinaryArithmeticFLOAToperation at line 138. Possible FailurePath: [L30-L35] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L37-L42] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L44-L48] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L50-L52] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L118-L119] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L224] float x = __VERIFIER_nondet_float(); [L225] float y = __VERIFIER_nondet_float(); [L13] return x != x; [L227] isnan_float(x) || isnan_float(y) VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L227] COND TRUE isnan_float(x) || isnan_float(y) [L122] float z; [L123] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L126] ieee_float_shape_type gf_u; [L127] gf_u.value = (x) [L128] EXPR gf_u.word [L128] (hx) = gf_u.word [L130] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L132] ieee_float_shape_type gf_u; [L133] gf_u.value = (y) [L134] EXPR gf_u.word [L134] (hy) = gf_u.word [L136] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L137] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L138] return x + y; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L230] float res = __ieee754_atan2f(y, x); [L13] return x != x; [L233] COND TRUE !isnan_float(res) [L234] __VERIFIER_error() VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 108 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=78occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 17:00:19,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:00:19,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:00:19,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:00:19,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:00:19,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:00:19,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:00:19,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:00:19,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:00:19,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:00:19,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:00:19,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:00:19,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:00:19,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:00:19,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:00:19,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:00:19,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:00:19,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:00:19,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:00:19,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:00:19,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:00:19,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:00:19,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:00:19,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:00:19,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:00:19,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:00:19,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:00:19,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:00:19,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:00:19,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:00:19,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:00:19,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:00:19,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:00:19,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:00:19,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:00:19,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:00:19,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:00:19,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:00:19,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:00:19,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:00:19,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:00:19,981 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 17:00:19,991 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:00:19,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:00:19,992 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 17:00:19,992 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 17:00:19,993 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 17:00:19,993 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 17:00:19,993 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 17:00:19,993 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 17:00:19,993 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 17:00:19,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:00:19,994 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:00:19,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:00:19,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:00:19,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:00:19,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:00:19,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:00:19,994 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 17:00:19,995 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 17:00:19,995 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 17:00:19,995 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:00:19,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:00:19,995 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:00:19,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:00:19,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:00:19,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:00:19,996 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:00:19,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:00:19,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:00:19,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:00:19,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:00:19,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:00:19,996 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 17:00:19,996 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 17:00:19,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:00:19,997 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:00:19,997 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 17:00:19,997 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6b275d471d235c565842a02c594b024c1203d73 [2019-12-07 17:00:20,170 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:00:20,177 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:00:20,180 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:00:20,181 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:00:20,181 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:00:20,181 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2019-12-07 17:00:20,217 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/data/4af9bfc30/5439dbf98af34296bbded3eba1d1ebdc/FLAG3c8694c29 [2019-12-07 17:00:20,670 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:00:20,670 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2019-12-07 17:00:20,675 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/data/4af9bfc30/5439dbf98af34296bbded3eba1d1ebdc/FLAG3c8694c29 [2019-12-07 17:00:20,684 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/data/4af9bfc30/5439dbf98af34296bbded3eba1d1ebdc [2019-12-07 17:00:20,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:00:20,687 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:00:20,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:00:20,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:00:20,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:00:20,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:00:20" (1/1) ... [2019-12-07 17:00:20,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d96a266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:20, skipping insertion in model container [2019-12-07 17:00:20,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:00:20" (1/1) ... [2019-12-07 17:00:20,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:00:20,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:00:20,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:00:20,861 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:00:20,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:00:20,956 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:00:20,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:20 WrapperNode [2019-12-07 17:00:20,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:00:20,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:00:20,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:00:20,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:00:20,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:20" (1/1) ... [2019-12-07 17:00:20,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:20" (1/1) ... [2019-12-07 17:00:21,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:00:21,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:00:21,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:00:21,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:00:21,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:20" (1/1) ... [2019-12-07 17:00:21,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:20" (1/1) ... [2019-12-07 17:00:21,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:20" (1/1) ... [2019-12-07 17:00:21,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:20" (1/1) ... [2019-12-07 17:00:21,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:20" (1/1) ... [2019-12-07 17:00:21,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:20" (1/1) ... [2019-12-07 17:00:21,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:20" (1/1) ... [2019-12-07 17:00:21,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:00:21,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:00:21,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:00:21,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:00:21,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:00:21,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-12-07 17:00:21,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:00:21,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 17:00:21,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 17:00:21,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:00:21,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:00:21,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 17:00:21,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 17:00:21,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:00:36,200 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:00:36,200 INFO L287 CfgBuilder]: Removed 46 assume(true) statements. [2019-12-07 17:00:36,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:00:36 BoogieIcfgContainer [2019-12-07 17:00:36,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:00:36,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:00:36,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:00:36,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:00:36,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:00:20" (1/3) ... [2019-12-07 17:00:36,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d9a710b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:00:36, skipping insertion in model container [2019-12-07 17:00:36,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:20" (2/3) ... [2019-12-07 17:00:36,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d9a710b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:00:36, skipping insertion in model container [2019-12-07 17:00:36,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:00:36" (3/3) ... [2019-12-07 17:00:36,208 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c [2019-12-07 17:00:36,216 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:00:36,221 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:00:36,228 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:00:36,244 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:00:36,245 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:00:36,245 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:00:36,245 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:00:36,245 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:00:36,245 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:00:36,245 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:00:36,245 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:00:36,257 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-12-07 17:00:36,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 17:00:36,261 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:00:36,262 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:00:36,262 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:00:36,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:00:36,266 INFO L82 PathProgramCache]: Analyzing trace with hash 2081772354, now seen corresponding path program 1 times [2019-12-07 17:00:36,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 17:00:36,274 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1648464802] [2019-12-07 17:00:36,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 17:00:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:00:37,160 INFO L264 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 17:00:37,165 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:00:37,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:00:37,176 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:00:37,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:00:37,179 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1648464802] [2019-12-07 17:00:37,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:00:37,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 17:00:37,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315348551] [2019-12-07 17:00:37,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:00:37,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 17:00:37,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:00:37,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:00:37,199 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-12-07 17:00:37,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:00:37,220 INFO L93 Difference]: Finished difference Result 224 states and 372 transitions. [2019-12-07 17:00:37,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:00:37,222 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2019-12-07 17:00:37,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:00:37,233 INFO L225 Difference]: With dead ends: 224 [2019-12-07 17:00:37,233 INFO L226 Difference]: Without dead ends: 111 [2019-12-07 17:00:37,236 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:00:37,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-12-07 17:00:37,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-12-07 17:00:37,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-12-07 17:00:37,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2019-12-07 17:00:37,269 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 14 [2019-12-07 17:00:37,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:00:37,269 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2019-12-07 17:00:37,269 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:00:37,269 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2019-12-07 17:00:37,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 17:00:37,270 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:00:37,270 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:00:37,471 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 17:00:37,471 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:00:37,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:00:37,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1906427737, now seen corresponding path program 1 times [2019-12-07 17:00:37,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 17:00:37,473 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [781525938] [2019-12-07 17:00:37,473 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 17:00:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:00:38,398 INFO L264 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-07 17:00:38,400 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:00:38,449 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:00:38,633 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:00:38,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:00:38,737 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:00:40,857 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-12-07 17:00:40,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:00:41,651 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-12-07 17:00:41,652 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:00:41,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:00:41,675 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [781525938] [2019-12-07 17:00:41,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:00:41,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2019-12-07 17:00:41,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743591168] [2019-12-07 17:00:41,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-12-07 17:00:41,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 17:00:41,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-12-07 17:00:41,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2019-12-07 17:00:41,678 INFO L87 Difference]: Start difference. First operand 111 states and 160 transitions. Second operand 17 states. [2019-12-07 17:00:43,412 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 16 [2019-12-07 17:00:44,116 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 18 [2019-12-07 17:01:51,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:01:51,051 INFO L93 Difference]: Finished difference Result 235 states and 330 transitions. [2019-12-07 17:01:51,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 17:01:51,058 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 16 [2019-12-07 17:01:51,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:01:51,060 INFO L225 Difference]: With dead ends: 235 [2019-12-07 17:01:51,060 INFO L226 Difference]: Without dead ends: 230 [2019-12-07 17:01:51,061 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2019-12-07 17:01:51,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2019-12-07 17:01:51,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 119. [2019-12-07 17:01:51,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-12-07 17:01:51,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2019-12-07 17:01:51,072 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 16 [2019-12-07 17:01:51,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:01:51,072 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2019-12-07 17:01:51,072 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-12-07 17:01:51,072 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2019-12-07 17:01:51,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 17:01:51,072 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:01:51,073 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:01:51,273 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 17:01:51,274 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:01:51,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:01:51,275 INFO L82 PathProgramCache]: Analyzing trace with hash 2143643094, now seen corresponding path program 1 times [2019-12-07 17:01:51,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 17:01:51,276 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [773539327] [2019-12-07 17:01:51,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 17:01:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:01:52,180 INFO L264 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-07 17:01:52,182 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:01:52,217 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:01:52,371 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:01:52,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:01:52,477 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:01:53,813 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-12-07 17:01:53,814 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:01:54,528 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-12-07 17:01:54,529 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:01:54,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:01:54,552 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [773539327] [2019-12-07 17:01:54,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:01:54,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2019-12-07 17:01:54,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618624193] [2019-12-07 17:01:54,553 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-12-07 17:01:54,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 17:01:54,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 17:01:54,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-12-07 17:01:54,554 INFO L87 Difference]: Start difference. First operand 119 states and 168 transitions. Second operand 15 states. [2019-12-07 17:01:55,553 WARN L192 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2019-12-07 17:01:56,926 WARN L192 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 19 [2019-12-07 17:01:57,743 WARN L192 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 21 [2019-12-07 17:02:04,559 WARN L192 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2019-12-07 17:02:57,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:02:57,632 INFO L93 Difference]: Finished difference Result 234 states and 328 transitions. [2019-12-07 17:02:57,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 17:02:57,639 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 17 [2019-12-07 17:02:57,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:02:57,641 INFO L225 Difference]: With dead ends: 234 [2019-12-07 17:02:57,641 INFO L226 Difference]: Without dead ends: 229 [2019-12-07 17:02:57,642 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2019-12-07 17:02:57,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2019-12-07 17:02:57,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 124. [2019-12-07 17:02:57,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-12-07 17:02:57,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2019-12-07 17:02:57,650 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 17 [2019-12-07 17:02:57,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:02:57,650 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2019-12-07 17:02:57,650 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-12-07 17:02:57,650 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2019-12-07 17:02:57,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 17:02:57,651 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:02:57,651 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:02:57,852 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 17:02:57,853 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:02:57,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:02:57,853 INFO L82 PathProgramCache]: Analyzing trace with hash 953381099, now seen corresponding path program 1 times [2019-12-07 17:02:57,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 17:02:57,854 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [881229075] [2019-12-07 17:02:57,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 17:02:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:02:58,768 INFO L264 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-07 17:02:58,771 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:02:58,788 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:02:58,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:02:58,859 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:02:58,975 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:02:59,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:02:59,009 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [881229075] [2019-12-07 17:02:59,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:02:59,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2019-12-07 17:02:59,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979729292] [2019-12-07 17:02:59,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 17:02:59,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 17:02:59,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 17:02:59,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2019-12-07 17:02:59,011 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand 14 states. [2019-12-07 17:02:59,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:02:59,916 INFO L93 Difference]: Finished difference Result 227 states and 319 transitions. [2019-12-07 17:02:59,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 17:02:59,916 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 21 [2019-12-07 17:02:59,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:02:59,917 INFO L225 Difference]: With dead ends: 227 [2019-12-07 17:02:59,917 INFO L226 Difference]: Without dead ends: 121 [2019-12-07 17:02:59,918 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2019-12-07 17:02:59,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-12-07 17:02:59,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 111. [2019-12-07 17:02:59,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-12-07 17:02:59,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 157 transitions. [2019-12-07 17:02:59,925 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 157 transitions. Word has length 21 [2019-12-07 17:02:59,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:02:59,926 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 157 transitions. [2019-12-07 17:02:59,926 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 17:02:59,926 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2019-12-07 17:02:59,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 17:02:59,927 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:02:59,927 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:03:00,128 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 17:03:00,128 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:03:00,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:03:00,128 INFO L82 PathProgramCache]: Analyzing trace with hash -74426226, now seen corresponding path program 1 times [2019-12-07 17:03:00,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 17:03:00,129 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914820963] [2019-12-07 17:03:00,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 17:03:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:03:01,033 INFO L264 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-07 17:03:01,035 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:03:01,053 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:03:01,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:03:01,100 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:03:01,148 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:03:01,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:03:01,166 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914820963] [2019-12-07 17:03:01,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:03:01,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 10 [2019-12-07 17:03:01,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377151993] [2019-12-07 17:03:01,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 17:03:01,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 17:03:01,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 17:03:01,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 17:03:01,167 INFO L87 Difference]: Start difference. First operand 111 states and 157 transitions. Second operand 10 states. [2019-12-07 17:03:01,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:03:01,415 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2019-12-07 17:03:01,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 17:03:01,415 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2019-12-07 17:03:01,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:03:01,415 INFO L225 Difference]: With dead ends: 111 [2019-12-07 17:03:01,415 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 17:03:01,416 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2019-12-07 17:03:01,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 17:03:01,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 17:03:01,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 17:03:01,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 17:03:01,417 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2019-12-07 17:03:01,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:03:01,417 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:03:01,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 17:03:01,418 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:03:01,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 17:03:01,618 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 17:03:01,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 17:03:01,987 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2019-12-07 17:03:02,808 WARN L192 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2019-12-07 17:03:03,051 WARN L192 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2019-12-07 17:03:03,054 INFO L246 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2019-12-07 17:03:03,054 INFO L246 CegarLoopResult]: For program point L137(lines 137 138) no Hoare annotation was computed. [2019-12-07 17:03:03,054 INFO L246 CegarLoopResult]: For program point L204(lines 204 208) no Hoare annotation was computed. [2019-12-07 17:03:03,054 INFO L246 CegarLoopResult]: For program point L171(lines 171 180) no Hoare annotation was computed. [2019-12-07 17:03:03,054 INFO L246 CegarLoopResult]: For program point L204-1(lines 197 209) no Hoare annotation was computed. [2019-12-07 17:03:03,054 INFO L246 CegarLoopResult]: For program point L204-2(lines 204 208) no Hoare annotation was computed. [2019-12-07 17:03:03,054 INFO L246 CegarLoopResult]: For program point L72(lines 72 97) no Hoare annotation was computed. [2019-12-07 17:03:03,054 INFO L246 CegarLoopResult]: For program point L72-2(lines 72 97) no Hoare annotation was computed. [2019-12-07 17:03:03,054 INFO L246 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2019-12-07 17:03:03,054 INFO L246 CegarLoopResult]: For program point L139(lines 139 140) no Hoare annotation was computed. [2019-12-07 17:03:03,054 INFO L246 CegarLoopResult]: For program point L73(lines 73 76) no Hoare annotation was computed. [2019-12-07 17:03:03,055 INFO L246 CegarLoopResult]: For program point L73-2(lines 73 76) no Hoare annotation was computed. [2019-12-07 17:03:03,055 INFO L246 CegarLoopResult]: For program point L73-3(lines 73 76) no Hoare annotation was computed. [2019-12-07 17:03:03,055 INFO L246 CegarLoopResult]: For program point L73-5(lines 73 76) no Hoare annotation was computed. [2019-12-07 17:03:03,055 INFO L249 CegarLoopResult]: At program point L239(lines 218 240) the Hoare annotation is: true [2019-12-07 17:03:03,055 INFO L246 CegarLoopResult]: For program point L74(lines 74 75) no Hoare annotation was computed. [2019-12-07 17:03:03,055 INFO L246 CegarLoopResult]: For program point L74-1(lines 74 75) no Hoare annotation was computed. [2019-12-07 17:03:03,055 INFO L246 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2019-12-07 17:03:03,055 INFO L246 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2019-12-07 17:03:03,055 INFO L246 CegarLoopResult]: For program point L143(lines 143 153) no Hoare annotation was computed. [2019-12-07 17:03:03,055 INFO L246 CegarLoopResult]: For program point L110(lines 110 115) no Hoare annotation was computed. [2019-12-07 17:03:03,055 INFO L246 CegarLoopResult]: For program point L143-2(lines 121 216) no Hoare annotation was computed. [2019-12-07 17:03:03,055 INFO L246 CegarLoopResult]: For program point L110-1(lines 110 115) no Hoare annotation was computed. [2019-12-07 17:03:03,055 INFO L246 CegarLoopResult]: For program point L144(lines 144 152) no Hoare annotation was computed. [2019-12-07 17:03:03,055 INFO L246 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2019-12-07 17:03:03,055 INFO L246 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2019-12-07 17:03:03,056 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-12-07 17:03:03,056 INFO L246 CegarLoopResult]: For program point L145-2(line 145) no Hoare annotation was computed. [2019-12-07 17:03:03,056 INFO L242 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (let ((.cse0 (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (or (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|)) (and (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (not .cse0)))) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 17:03:03,056 INFO L242 CegarLoopResult]: At program point L13-1(line 13) the Hoare annotation is: (let ((.cse2 (not |ULTIMATE.start_main_#t~short46|))) (and (let ((.cse0 (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (or (and (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (not .cse0)) (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|)))) (= currentRoundingMode roundNearestTiesToEven) (let ((.cse1 (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (or (and .cse1 .cse2) (and |ULTIMATE.start_main_#t~short46| (not .cse1)))) (or (forall ((ULTIMATE.start___ieee754_atan2f_~x (_ FloatingPoint 8 24))) (not (let ((.cse3 (fp.add currentRoundingMode ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start_main_~y~0))) (fp.eq .cse3 .cse3)))) .cse2))) [2019-12-07 17:03:03,056 INFO L242 CegarLoopResult]: At program point L13-2(line 13) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)) (.cse1 (= currentRoundingMode roundNearestTiesToEven))) (or (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) .cse0 (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) (exists ((ULTIMATE.start___ieee754_atan2f_~x (_ FloatingPoint 8 24)) (ULTIMATE.start___ieee754_atan2f_~y (_ FloatingPoint 8 24))) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) (= |ULTIMATE.start___ieee754_atan2f_#res| (fp.add roundNearestTiesToEven ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~y)))) .cse1) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) (not (fp.eq |ULTIMATE.start___ieee754_atan2f_#res| |ULTIMATE.start___ieee754_atan2f_#res|)) .cse0 (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) .cse1))) [2019-12-07 17:03:03,056 INFO L246 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2019-12-07 17:03:03,056 INFO L246 CegarLoopResult]: For program point L80(lines 80 96) no Hoare annotation was computed. [2019-12-07 17:03:03,056 INFO L246 CegarLoopResult]: For program point L80-1(lines 80 96) no Hoare annotation was computed. [2019-12-07 17:03:03,056 INFO L246 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2019-12-07 17:03:03,056 INFO L246 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2019-12-07 17:03:03,056 INFO L246 CegarLoopResult]: For program point L81(lines 81 87) no Hoare annotation was computed. [2019-12-07 17:03:03,056 INFO L246 CegarLoopResult]: For program point L114-2(line 114) no Hoare annotation was computed. [2019-12-07 17:03:03,057 INFO L242 CegarLoopResult]: At program point L114-3(lines 54 116) the Hoare annotation is: false [2019-12-07 17:03:03,057 INFO L246 CegarLoopResult]: For program point L81-3(lines 81 87) no Hoare annotation was computed. [2019-12-07 17:03:03,057 INFO L246 CegarLoopResult]: For program point L114-4(line 114) no Hoare annotation was computed. [2019-12-07 17:03:03,057 INFO L246 CegarLoopResult]: For program point L114-6(line 114) no Hoare annotation was computed. [2019-12-07 17:03:03,057 INFO L242 CegarLoopResult]: At program point L114-7(lines 54 116) the Hoare annotation is: false [2019-12-07 17:03:03,057 INFO L246 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2019-12-07 17:03:03,057 INFO L246 CegarLoopResult]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2019-12-07 17:03:03,057 INFO L242 CegarLoopResult]: At program point L17-2(lines 17 21) the Hoare annotation is: false [2019-12-07 17:03:03,057 INFO L246 CegarLoopResult]: For program point L17-5(lines 17 21) no Hoare annotation was computed. [2019-12-07 17:03:03,057 INFO L242 CegarLoopResult]: At program point L17-6(lines 17 21) the Hoare annotation is: false [2019-12-07 17:03:03,057 INFO L246 CegarLoopResult]: For program point L17-9(lines 17 21) no Hoare annotation was computed. [2019-12-07 17:03:03,057 INFO L242 CegarLoopResult]: At program point L17-10(lines 17 21) the Hoare annotation is: false [2019-12-07 17:03:03,057 INFO L246 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2019-12-07 17:03:03,057 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 17:03:03,057 INFO L246 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2019-12-07 17:03:03,057 INFO L246 CegarLoopResult]: For program point L185-2(line 185) no Hoare annotation was computed. [2019-12-07 17:03:03,058 INFO L242 CegarLoopResult]: At program point L121(lines 121 216) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)) (.cse1 (= currentRoundingMode roundNearestTiesToEven))) (or (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) .cse0 (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) (exists ((ULTIMATE.start___ieee754_atan2f_~x (_ FloatingPoint 8 24)) (ULTIMATE.start___ieee754_atan2f_~y (_ FloatingPoint 8 24))) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) (= |ULTIMATE.start___ieee754_atan2f_#res| (fp.add roundNearestTiesToEven ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~y)))) .cse1) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) (not (fp.eq |ULTIMATE.start___ieee754_atan2f_#res| |ULTIMATE.start___ieee754_atan2f_#res|)) .cse0 (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) .cse1))) [2019-12-07 17:03:03,058 INFO L246 CegarLoopResult]: For program point L22(lines 22 26) no Hoare annotation was computed. [2019-12-07 17:03:03,058 INFO L246 CegarLoopResult]: For program point L22-1(lines 15 28) no Hoare annotation was computed. [2019-12-07 17:03:03,058 INFO L246 CegarLoopResult]: For program point L22-2(lines 22 26) no Hoare annotation was computed. [2019-12-07 17:03:03,058 INFO L246 CegarLoopResult]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2019-12-07 17:03:03,058 INFO L246 CegarLoopResult]: For program point L22-4(lines 15 28) no Hoare annotation was computed. [2019-12-07 17:03:03,058 INFO L246 CegarLoopResult]: For program point L22-5(lines 22 26) no Hoare annotation was computed. [2019-12-07 17:03:03,058 INFO L246 CegarLoopResult]: For program point L22-6(lines 22 26) no Hoare annotation was computed. [2019-12-07 17:03:03,058 INFO L246 CegarLoopResult]: For program point L22-7(lines 15 28) no Hoare annotation was computed. [2019-12-07 17:03:03,058 INFO L246 CegarLoopResult]: For program point L22-8(lines 22 26) no Hoare annotation was computed. [2019-12-07 17:03:03,058 INFO L246 CegarLoopResult]: For program point L188(lines 188 193) no Hoare annotation was computed. [2019-12-07 17:03:03,058 INFO L246 CegarLoopResult]: For program point L89(lines 89 95) no Hoare annotation was computed. [2019-12-07 17:03:03,058 INFO L246 CegarLoopResult]: For program point L89-2(lines 72 97) no Hoare annotation was computed. [2019-12-07 17:03:03,058 INFO L246 CegarLoopResult]: For program point L89-3(lines 89 95) no Hoare annotation was computed. [2019-12-07 17:03:03,059 INFO L246 CegarLoopResult]: For program point L89-5(lines 72 97) no Hoare annotation was computed. [2019-12-07 17:03:03,059 INFO L246 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2019-12-07 17:03:03,059 INFO L246 CegarLoopResult]: For program point L156-2(line 156) no Hoare annotation was computed. [2019-12-07 17:03:03,059 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 17:03:03,059 INFO L246 CegarLoopResult]: For program point L190(lines 190 193) no Hoare annotation was computed. [2019-12-07 17:03:03,059 INFO L246 CegarLoopResult]: For program point L190-2(lines 188 193) no Hoare annotation was computed. [2019-12-07 17:03:03,059 INFO L246 CegarLoopResult]: For program point L58-1(lines 58 62) no Hoare annotation was computed. [2019-12-07 17:03:03,059 INFO L242 CegarLoopResult]: At program point L58-2(lines 58 62) the Hoare annotation is: false [2019-12-07 17:03:03,059 INFO L246 CegarLoopResult]: For program point L58-3(lines 58 62) no Hoare annotation was computed. [2019-12-07 17:03:03,059 INFO L246 CegarLoopResult]: For program point L58-5(lines 58 62) no Hoare annotation was computed. [2019-12-07 17:03:03,059 INFO L242 CegarLoopResult]: At program point L58-6(lines 58 62) the Hoare annotation is: false [2019-12-07 17:03:03,059 INFO L246 CegarLoopResult]: For program point L58-7(lines 58 62) no Hoare annotation was computed. [2019-12-07 17:03:03,059 INFO L246 CegarLoopResult]: For program point L158(lines 158 182) no Hoare annotation was computed. [2019-12-07 17:03:03,059 INFO L246 CegarLoopResult]: For program point L158-1(lines 121 216) no Hoare annotation was computed. [2019-12-07 17:03:03,059 INFO L246 CegarLoopResult]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2019-12-07 17:03:03,060 INFO L242 CegarLoopResult]: At program point L125-2(lines 125 129) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)) (.cse1 (= currentRoundingMode roundNearestTiesToEven))) (or (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) .cse0 (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) .cse1) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) .cse0 (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) .cse1))) [2019-12-07 17:03:03,060 INFO L246 CegarLoopResult]: For program point L125-3(lines 125 129) no Hoare annotation was computed. [2019-12-07 17:03:03,060 INFO L246 CegarLoopResult]: For program point L159(lines 159 181) no Hoare annotation was computed. [2019-12-07 17:03:03,060 INFO L242 CegarLoopResult]: At program point L27(lines 15 28) the Hoare annotation is: false [2019-12-07 17:03:03,060 INFO L242 CegarLoopResult]: At program point L27-1(lines 15 28) the Hoare annotation is: false [2019-12-07 17:03:03,060 INFO L242 CegarLoopResult]: At program point L27-2(lines 15 28) the Hoare annotation is: false [2019-12-07 17:03:03,060 INFO L246 CegarLoopResult]: For program point L160(lines 160 169) no Hoare annotation was computed. [2019-12-07 17:03:03,060 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 17:03:03,060 INFO L246 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed. [2019-12-07 17:03:03,060 INFO L246 CegarLoopResult]: For program point L194(lines 194 215) no Hoare annotation was computed. [2019-12-07 17:03:03,060 INFO L246 CegarLoopResult]: For program point L227-2(lines 227 237) no Hoare annotation was computed. [2019-12-07 17:03:03,060 INFO L246 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2019-12-07 17:03:03,060 INFO L246 CegarLoopResult]: For program point L227-4(lines 227 237) no Hoare annotation was computed. [2019-12-07 17:03:03,060 INFO L246 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2019-12-07 17:03:03,060 INFO L246 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2019-12-07 17:03:03,060 INFO L246 CegarLoopResult]: For program point L64(lines 64 71) no Hoare annotation was computed. [2019-12-07 17:03:03,061 INFO L246 CegarLoopResult]: For program point L64-1(lines 64 71) no Hoare annotation was computed. [2019-12-07 17:03:03,061 INFO L246 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2019-12-07 17:03:03,061 INFO L246 CegarLoopResult]: For program point L131-1(lines 131 135) no Hoare annotation was computed. [2019-12-07 17:03:03,061 INFO L242 CegarLoopResult]: At program point L131-2(lines 131 135) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)) (.cse1 (= currentRoundingMode roundNearestTiesToEven))) (or (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) .cse0 (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) .cse1) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) .cse0 (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_atan2f_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1)) (not (let ((.cse2 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)))) (fp.eq .cse2 .cse2))))) (not (let ((.cse3 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)))) (fp.eq .cse3 .cse3))) (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) .cse1))) [2019-12-07 17:03:03,061 INFO L246 CegarLoopResult]: For program point L65(lines 65 66) no Hoare annotation was computed. [2019-12-07 17:03:03,061 INFO L246 CegarLoopResult]: For program point L131-3(lines 131 135) no Hoare annotation was computed. [2019-12-07 17:03:03,061 INFO L246 CegarLoopResult]: For program point L65-1(lines 65 66) no Hoare annotation was computed. [2019-12-07 17:03:03,061 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 17:03:03,061 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 234) no Hoare annotation was computed. [2019-12-07 17:03:03,061 INFO L246 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2019-12-07 17:03:03,061 INFO L246 CegarLoopResult]: For program point L199-1(lines 199 203) no Hoare annotation was computed. [2019-12-07 17:03:03,061 INFO L242 CegarLoopResult]: At program point L199-2(lines 199 203) the Hoare annotation is: false [2019-12-07 17:03:03,061 INFO L246 CegarLoopResult]: For program point L67(lines 67 70) no Hoare annotation was computed. [2019-12-07 17:03:03,061 INFO L246 CegarLoopResult]: For program point L67-1(lines 67 70) no Hoare annotation was computed. [2019-12-07 17:03:03,062 INFO L246 CegarLoopResult]: For program point L233(lines 233 236) no Hoare annotation was computed. [2019-12-07 17:03:03,062 INFO L246 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2019-12-07 17:03:03,070 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,070 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,072 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,072 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,073 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,073 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,073 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,073 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 17:03:03,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 17:03:03,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 17:03:03,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 17:03:03,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,076 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 17:03:03,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 17:03:03,077 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 17:03:03,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 17:03:03,077 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,078 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,078 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,078 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,080 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,082 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,082 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,084 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,084 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,086 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 17:03:03,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 17:03:03,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,087 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 17:03:03,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 17:03:03,088 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,088 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,088 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,089 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,090 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 17:03:03,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 17:03:03,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 17:03:03,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 17:03:03,091 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,091 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,091 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,091 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 17:03:03,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 17:03:03,092 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 17:03:03,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 17:03:03,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,093 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,093 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:03:03 BoogieIcfgContainer [2019-12-07 17:03:03,095 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:03:03,096 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:03:03,096 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:03:03,096 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:03:03,096 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:00:36" (3/4) ... [2019-12-07 17:03:03,100 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 17:03:03,116 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-12-07 17:03:03,116 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-07 17:03:03,117 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 17:03:03,143 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.eq~FLOAT(x, x) && 0bv32 == \result) || (1bv32 == \result && !~fp.eq~FLOAT(x, x))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-12-07 17:03:03,143 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv32 == \result && !~fp.eq~FLOAT(y, y)) || (~fp.eq~FLOAT(y, y) && 0bv32 == \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ((~fp.eq~FLOAT(x, x) && !aux-isnan_float(x) || isnan_float(y)-aux) || (aux-isnan_float(x) || isnan_float(y)-aux && !~fp.eq~FLOAT(x, x)))) && ((forall ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT :: !~fp.eq~FLOAT(~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ULTIMATE.start___ieee754_atan2f_~x, y), ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ULTIMATE.start___ieee754_atan2f_~x, y))) || !aux-isnan_float(x) || isnan_float(y)-aux) [2019-12-07 17:03:03,143 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || (((!~fp.eq~FLOAT(x, x) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) [2019-12-07 17:03:03,144 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || (((((!~fp.eq~FLOAT(x, x) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) && !~fp.eq~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]), ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0])))) && !~fp.eq~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) [2019-12-07 17:03:03,144 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && (\exists ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT, ULTIMATE.start___ieee754_atan2f_~y : C_FLOAT :: !~fp.eq~FLOAT(ULTIMATE.start___ieee754_atan2f_~y, ULTIMATE.start___ieee754_atan2f_~y) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~y))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || ((((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(\result, \result)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) [2019-12-07 17:03:03,144 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && (\exists ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT, ULTIMATE.start___ieee754_atan2f_~y : C_FLOAT :: !~fp.eq~FLOAT(ULTIMATE.start___ieee754_atan2f_~y, ULTIMATE.start___ieee754_atan2f_~y) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~y))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || ((((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(\result, \result)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) [2019-12-07 17:03:03,193 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a7b54abc-14b2-4e95-bcf4-c2b2a20f0f0e/bin/utaipan/witness.graphml [2019-12-07 17:03:03,194 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:03:03,195 INFO L168 Benchmark]: Toolchain (without parser) took 162508.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 953.7 MB in the beginning and 816.9 MB in the end (delta: 136.8 MB). Peak memory consumption was 263.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:03:03,195 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:03:03,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:03:03,196 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:03:03,196 INFO L168 Benchmark]: Boogie Preprocessor took 42.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:03:03,196 INFO L168 Benchmark]: RCFGBuilder took 15158.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.7 MB). Peak memory consumption was 74.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:03:03,197 INFO L168 Benchmark]: TraceAbstraction took 146893.43 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.1 MB). Free memory was 1.0 GB in the beginning and 829.5 MB in the end (delta: 202.7 MB). Peak memory consumption was 204.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:03:03,197 INFO L168 Benchmark]: Witness Printer took 97.94 ms. Allocated memory is still 1.2 GB. Free memory was 829.5 MB in the beginning and 816.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:03:03,199 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 269.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 15158.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.7 MB). Peak memory consumption was 74.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 146893.43 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.1 MB). Free memory was 1.0 GB in the beginning and 829.5 MB in the end (delta: 202.7 MB). Peak memory consumption was 204.8 MB. Max. memory is 11.5 GB. * Witness Printer took 97.94 ms. Allocated memory is still 1.2 GB. Free memory was 829.5 MB in the beginning and 816.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 234]: 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: 218]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant [2019-12-07 17:03:03,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,205 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,205 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,206 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,206 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || (((!~fp.eq~FLOAT(x, x) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 13]: Loop Invariant [2019-12-07 17:03:03,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 17:03:03,206 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 17:03:03,206 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 17:03:03,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 17:03:03,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,207 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,207 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 17:03:03,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 17:03:03,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 17:03:03,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 17:03:03,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && (\exists ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT, ULTIMATE.start___ieee754_atan2f_~y : C_FLOAT :: !~fp.eq~FLOAT(ULTIMATE.start___ieee754_atan2f_~y, ULTIMATE.start___ieee754_atan2f_~y) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~y))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || ((((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(\result, \result)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant [2019-12-07 17:03:03,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,210 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,210 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,210 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,210 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,210 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,210 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,211 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,211 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,211 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,211 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,211 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 17:03:03,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || (((((!~fp.eq~FLOAT(x, x) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) && !~fp.eq~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]), ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0])))) && !~fp.eq~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) - InvariantResult [Line: 13]: Loop Invariant [2019-12-07 17:03:03,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,213 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 17:03:03,214 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 17:03:03,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,214 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 17:03:03,214 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 17:03:03,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((1bv32 == \result && !~fp.eq~FLOAT(y, y)) || (~fp.eq~FLOAT(y, y) && 0bv32 == \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ((~fp.eq~FLOAT(x, x) && !aux-isnan_float(x) || isnan_float(y)-aux) || (aux-isnan_float(x) || isnan_float(y)-aux && !~fp.eq~FLOAT(x, x)))) && ((forall ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT :: !~fp.eq~FLOAT(~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ULTIMATE.start___ieee754_atan2f_~x, y), ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ULTIMATE.start___ieee754_atan2f_~x, y))) || !aux-isnan_float(x) || isnan_float(y)-aux) - InvariantResult [Line: 13]: Loop Invariant [2019-12-07 17:03:03,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((~fp.eq~FLOAT(x, x) && 0bv32 == \result) || (1bv32 == \result && !~fp.eq~FLOAT(x, x))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 121]: Loop Invariant [2019-12-07 17:03:03,215 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 17:03:03,216 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 17:03:03,216 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,216 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 17:03:03,216 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 17:03:03,216 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,216 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,216 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 17:03:03,217 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 17:03:03,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,217 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 17:03:03,217 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 17:03:03,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:03:03,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:03:03,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && (\exists ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT, ULTIMATE.start___ieee754_atan2f_~y : C_FLOAT :: !~fp.eq~FLOAT(ULTIMATE.start___ieee754_atan2f_~y, ULTIMATE.start___ieee754_atan2f_~y) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~y))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || ((((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(\result, \result)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 1 error locations. Result: SAFE, OverallTime: 145.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 133.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, HoareTripleCheckerStatistics: 666 SDtfs, 2400 SDslu, 3684 SDs, 0 SdLazy, 1153 SolverSat, 46 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 125.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 192 GetRequests, 118 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 9.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=3, 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, 5 MinimizatonAttempts, 226 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 18 PreInvPairs, 27 NumberOfFragments, 274 HoareAnnotationTreeSize, 18 FomulaSimplifications, 46 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.8s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 170 ConstructedInterpolants, 33 QuantifiedInterpolants, 19286 SizeOfPredicates, 54 NumberOfNonLiveVariables, 564 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...