./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0660b.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_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0660b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/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 bec24c2acca5f88b688a9290c179c6048b0a58a7 ........................................................................................................................................................................................................................................................................................................................... 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_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0660b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/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 bec24c2acca5f88b688a9290c179c6048b0a58a7 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 12:01:33,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:01:33,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:01:33,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:01:33,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:01:33,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:01:33,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:01:33,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:01:33,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:01:33,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:01:33,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:01:33,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:01:33,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:01:33,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:01:33,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:01:33,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:01:33,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:01:33,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:01:33,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:01:33,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:01:33,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:01:33,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:01:33,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:01:33,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:01:33,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:01:33,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:01:33,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:01:33,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:01:33,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:01:33,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:01:33,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:01:33,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:01:33,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:01:33,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:01:33,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:01:33,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:01:33,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:01:33,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:01:33,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:01:33,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:01:33,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:01:33,727 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 12:01:33,739 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:01:33,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:01:33,740 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:01:33,740 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:01:33,740 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:01:33,740 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:01:33,740 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 12:01:33,741 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:01:33,741 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:01:33,741 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 12:01:33,741 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 12:01:33,741 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:01:33,741 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 12:01:33,741 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 12:01:33,742 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 12:01:33,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:01:33,742 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:01:33,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:01:33,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:01:33,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:01:33,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:01:33,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:01:33,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:01:33,743 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:01:33,743 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:01:33,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:01:33,743 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:01:33,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:01:33,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:01:33,744 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:01:33,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:01:33,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:01:33,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:01:33,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:01:33,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:01:33,744 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 12:01:33,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:01:33,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:01:33,745 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:01:33,745 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:01:33,745 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_5e592dee-332b-45ba-a67b-8f12635686eb/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 -> bec24c2acca5f88b688a9290c179c6048b0a58a7 [2019-12-07 12:01:33,844 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:01:33,852 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:01:33,854 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:01:33,855 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:01:33,856 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:01:33,856 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0660b.c [2019-12-07 12:01:33,893 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/data/a3c67a2a7/734a8f1acf47417e930be1c640dcfc72/FLAG69373d93c [2019-12-07 12:01:34,340 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:01:34,341 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c [2019-12-07 12:01:34,346 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/data/a3c67a2a7/734a8f1acf47417e930be1c640dcfc72/FLAG69373d93c [2019-12-07 12:01:34,354 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/data/a3c67a2a7/734a8f1acf47417e930be1c640dcfc72 [2019-12-07 12:01:34,356 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:01:34,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:01:34,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:01:34,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:01:34,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:01:34,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:01:34" (1/1) ... [2019-12-07 12:01:34,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a9a3eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:34, skipping insertion in model container [2019-12-07 12:01:34,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:01:34" (1/1) ... [2019-12-07 12:01:34,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:01:34,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:01:34,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:01:34,553 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:01:34,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:01:34,600 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:01:34,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:34 WrapperNode [2019-12-07 12:01:34,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:01:34,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:01:34,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:01:34,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:01:34,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:34" (1/1) ... [2019-12-07 12:01:34,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:34" (1/1) ... [2019-12-07 12:01:34,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:01:34,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:01:34,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:01:34,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:01:34,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:34" (1/1) ... [2019-12-07 12:01:34,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:34" (1/1) ... [2019-12-07 12:01:34,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:34" (1/1) ... [2019-12-07 12:01:34,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:34" (1/1) ... [2019-12-07 12:01:34,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:34" (1/1) ... [2019-12-07 12:01:34,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:34" (1/1) ... [2019-12-07 12:01:34,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:34" (1/1) ... [2019-12-07 12:01:34,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:01:34,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:01:34,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:01:34,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:01:34,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:01:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:01:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 12:01:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 12:01:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 12:01:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:01:34,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:01:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 12:01:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 12:01:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 12:01:35,230 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:01:35,231 INFO L287 CfgBuilder]: Removed 40 assume(true) statements. [2019-12-07 12:01:35,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:01:35 BoogieIcfgContainer [2019-12-07 12:01:35,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:01:35,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:01:35,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:01:35,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:01:35,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:01:34" (1/3) ... [2019-12-07 12:01:35,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d43cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:01:35, skipping insertion in model container [2019-12-07 12:01:35,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:34" (2/3) ... [2019-12-07 12:01:35,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d43cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:01:35, skipping insertion in model container [2019-12-07 12:01:35,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:01:35" (3/3) ... [2019-12-07 12:01:35,238 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0660b.c [2019-12-07 12:01:35,247 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:01:35,252 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:01:35,262 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:01:35,283 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:01:35,283 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:01:35,283 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:01:35,283 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:01:35,283 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:01:35,283 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:01:35,284 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:01:35,284 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:01:35,298 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2019-12-07 12:01:35,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 12:01:35,302 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:01:35,302 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:01:35,303 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:01:35,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:01:35,306 INFO L82 PathProgramCache]: Analyzing trace with hash -478988583, now seen corresponding path program 1 times [2019-12-07 12:01:35,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 12:01:35,313 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157713947] [2019-12-07 12:01:35,313 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:01:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:01:35,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:01:35,406 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157713947] [2019-12-07 12:01:35,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:01:35,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:01:35,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441325696] [2019-12-07 12:01:35,411 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:01:35,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 12:01:35,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:01:35,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:01:35,421 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2019-12-07 12:01:35,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:01:35,439 INFO L93 Difference]: Finished difference Result 154 states and 263 transitions. [2019-12-07 12:01:35,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:01:35,440 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 12:01:35,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:01:35,447 INFO L225 Difference]: With dead ends: 154 [2019-12-07 12:01:35,447 INFO L226 Difference]: Without dead ends: 75 [2019-12-07 12:01:35,450 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:01:35,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-12-07 12:01:35,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2019-12-07 12:01:35,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-12-07 12:01:35,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2019-12-07 12:01:35,475 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 10 [2019-12-07 12:01:35,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:01:35,476 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2019-12-07 12:01:35,476 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:01:35,476 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2019-12-07 12:01:35,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 12:01:35,476 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:01:35,476 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:01:35,477 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:01:35,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:01:35,477 INFO L82 PathProgramCache]: Analyzing trace with hash -934025694, now seen corresponding path program 1 times [2019-12-07 12:01:35,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 12:01:35,477 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2733948] [2019-12-07 12:01:35,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:01:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:01:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:01:35,561 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 12:01:35,561 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 12:01:35,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:01:35 BoogieIcfgContainer [2019-12-07 12:01:35,587 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:01:35,587 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:01:35,587 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:01:35,587 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:01:35,588 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:01:35" (3/4) ... [2019-12-07 12:01:35,590 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 12:01:35,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:01:35,592 INFO L168 Benchmark]: Toolchain (without parser) took 1234.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 942.4 MB in the beginning and 950.6 MB in the end (delta: -8.2 MB). Peak memory consumption was 68.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:01:35,592 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:01:35,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -123.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:01:35,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:01:35,594 INFO L168 Benchmark]: Boogie Preprocessor took 35.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:01:35,594 INFO L168 Benchmark]: RCFGBuilder took 556.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 982.8 MB in the end (delta: 77.8 MB). Peak memory consumption was 77.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:01:35,594 INFO L168 Benchmark]: TraceAbstraction took 353.92 ms. Allocated memory is still 1.1 GB. Free memory was 982.8 MB in the beginning and 950.6 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:01:35,595 INFO L168 Benchmark]: Witness Printer took 3.23 ms. Allocated memory is still 1.1 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:01:35,597 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 243.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -123.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.91 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. * RCFGBuilder took 556.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 982.8 MB in the end (delta: 77.8 MB). Peak memory consumption was 77.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 353.92 ms. Allocated memory is still 1.1 GB. Free memory was 982.8 MB in the beginning and 950.6 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.23 ms. Allocated memory is still 1.1 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 231]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 230, overapproximation of someUnaryDOUBLEoperation at line 42, overapproximation of bitwiseAnd at line 133, overapproximation of someBinaryArithmeticFLOAToperation at line 135. Possible FailurePath: [L27-L32] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L34-L39] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L41-L45] 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, }; [L47-L49] 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; [L115-L116] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L216] float x = __VERIFIER_nondet_float(); [L217] float y = 0.0f; VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, 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] [L224] COND TRUE x < 0.0f [L119] float z; [L120] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, 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] [L123] ieee_float_shape_type gf_u; [L124] gf_u.value = (x) [L125] EXPR gf_u.word [L125] (hx) = gf_u.word [L127] ix = hx & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, 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] [L129] ieee_float_shape_type gf_u; [L130] gf_u.value = (y) [L131] EXPR gf_u.word [L131] (hy) = gf_u.word [L133] iy = hy & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, 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] [L134] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L135] return x + y; VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, 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] float res = __ieee754_atan2f(y, x); [L230] COND TRUE res != pi VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, 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] [L231] __VERIFIER_error() VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, 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: 0.2s, 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 12:01:36,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:01:36,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:01:36,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:01:36,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:01:36,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:01:36,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:01:36,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:01:36,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:01:36,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:01:36,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:01:36,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:01:36,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:01:36,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:01:36,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:01:36,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:01:36,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:01:36,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:01:36,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:01:36,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:01:36,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:01:36,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:01:36,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:01:36,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:01:36,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:01:36,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:01:36,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:01:36,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:01:36,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:01:36,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:01:36,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:01:36,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:01:36,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:01:36,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:01:36,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:01:36,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:01:36,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:01:36,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:01:36,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:01:36,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:01:36,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:01:36,970 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 12:01:36,981 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:01:36,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:01:36,982 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:01:36,982 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:01:36,983 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:01:36,983 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:01:36,983 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:01:36,983 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:01:36,983 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:01:36,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:01:36,984 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:01:36,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:01:36,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:01:36,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:01:36,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:01:36,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:01:36,985 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:01:36,985 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 12:01:36,986 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 12:01:36,986 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:01:36,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:01:36,986 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:01:36,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:01:36,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:01:36,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:01:36,987 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:01:36,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:01:36,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:01:36,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:01:36,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:01:36,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:01:36,988 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 12:01:36,988 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 12:01:36,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:01:36,989 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:01:36,989 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:01:36,989 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_5e592dee-332b-45ba-a67b-8f12635686eb/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 -> bec24c2acca5f88b688a9290c179c6048b0a58a7 [2019-12-07 12:01:37,158 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:01:37,169 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:01:37,172 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:01:37,173 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:01:37,173 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:01:37,174 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0660b.c [2019-12-07 12:01:37,220 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/data/c0886ea25/53fe4f12a5e047d798985aa2663cf3c7/FLAG5bae8d7d6 [2019-12-07 12:01:37,588 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:01:37,588 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c [2019-12-07 12:01:37,593 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/data/c0886ea25/53fe4f12a5e047d798985aa2663cf3c7/FLAG5bae8d7d6 [2019-12-07 12:01:37,985 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/data/c0886ea25/53fe4f12a5e047d798985aa2663cf3c7 [2019-12-07 12:01:37,987 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:01:37,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:01:37,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:01:37,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:01:37,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:01:37,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:01:37" (1/1) ... [2019-12-07 12:01:37,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44097351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:37, skipping insertion in model container [2019-12-07 12:01:37,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:01:37" (1/1) ... [2019-12-07 12:01:37,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:01:38,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:01:38,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:01:38,167 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:01:38,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:01:38,255 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:01:38,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:38 WrapperNode [2019-12-07 12:01:38,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:01:38,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:01:38,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:01:38,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:01:38,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:38" (1/1) ... [2019-12-07 12:01:38,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:38" (1/1) ... [2019-12-07 12:01:38,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:01:38,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:01:38,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:01:38,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:01:38,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:38" (1/1) ... [2019-12-07 12:01:38,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:38" (1/1) ... [2019-12-07 12:01:38,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:38" (1/1) ... [2019-12-07 12:01:38,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:38" (1/1) ... [2019-12-07 12:01:38,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:38" (1/1) ... [2019-12-07 12:01:38,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:38" (1/1) ... [2019-12-07 12:01:38,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:38" (1/1) ... [2019-12-07 12:01:38,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:01:38,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:01:38,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:01:38,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:01:38,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:01:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-12-07 12:01:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:01:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 12:01:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 12:01:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:01:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:01:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 12:01:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 12:01:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 12:01:52,838 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:01:52,838 INFO L287 CfgBuilder]: Removed 40 assume(true) statements. [2019-12-07 12:01:52,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:01:52 BoogieIcfgContainer [2019-12-07 12:01:52,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:01:52,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:01:52,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:01:52,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:01:52,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:01:37" (1/3) ... [2019-12-07 12:01:52,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4783e18d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:01:52, skipping insertion in model container [2019-12-07 12:01:52,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:01:38" (2/3) ... [2019-12-07 12:01:52,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4783e18d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:01:52, skipping insertion in model container [2019-12-07 12:01:52,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:01:52" (3/3) ... [2019-12-07 12:01:52,845 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0660b.c [2019-12-07 12:01:52,851 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:01:52,855 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:01:52,863 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:01:52,880 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:01:52,880 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:01:52,880 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:01:52,880 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:01:52,880 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:01:52,880 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:01:52,880 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:01:52,881 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:01:52,891 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-12-07 12:01:52,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 12:01:52,896 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:01:52,896 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:01:52,897 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:01:52,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:01:52,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2019-12-07 12:01:52,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:01:52,909 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [818195792] [2019-12-07 12:01:52,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 12:01:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:01:53,815 INFO L264 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 12:01:53,820 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:01:53,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:01:53,831 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:01:53,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:01:53,835 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [818195792] [2019-12-07 12:01:53,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:01:53,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 12:01:53,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105292875] [2019-12-07 12:01:53,840 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:01:53,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:01:53,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:01:53,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:01:53,852 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2019-12-07 12:01:53,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:01:53,873 INFO L93 Difference]: Finished difference Result 219 states and 366 transitions. [2019-12-07 12:01:53,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:01:53,874 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 12:01:53,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:01:53,882 INFO L225 Difference]: With dead ends: 219 [2019-12-07 12:01:53,883 INFO L226 Difference]: Without dead ends: 107 [2019-12-07 12:01:53,885 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:01:53,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-12-07 12:01:53,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-12-07 12:01:53,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-12-07 12:01:53,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2019-12-07 12:01:53,914 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2019-12-07 12:01:53,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:01:53,915 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2019-12-07 12:01:53,915 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:01:53,915 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2019-12-07 12:01:53,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 12:01:53,916 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:01:53,916 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:01:54,116 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 12:01:54,117 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:01:54,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:01:54,118 INFO L82 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2019-12-07 12:01:54,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:01:54,120 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [890376257] [2019-12-07 12:01:54,120 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 12:01:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:01:55,095 INFO L264 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-07 12:01:55,099 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:01:55,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:01:55,451 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:01:55,507 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 12:01:55,610 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 12:01:55,690 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 12:01:55,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:01:55,732 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [890376257] [2019-12-07 12:01:55,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:01:55,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2019-12-07 12:01:55,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448043226] [2019-12-07 12:01:55,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 12:01:55,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:01:55,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 12:01:55,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-12-07 12:01:55,734 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand 14 states. [2019-12-07 12:01:57,459 WARN L192 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 26 [2019-12-07 12:01:57,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:01:57,714 INFO L93 Difference]: Finished difference Result 163 states and 235 transitions. [2019-12-07 12:01:57,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 12:01:57,760 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2019-12-07 12:01:57,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:01:57,762 INFO L225 Difference]: With dead ends: 163 [2019-12-07 12:01:57,762 INFO L226 Difference]: Without dead ends: 74 [2019-12-07 12:01:57,763 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2019-12-07 12:01:57,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-12-07 12:01:57,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2019-12-07 12:01:57,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-12-07 12:01:57,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 99 transitions. [2019-12-07 12:01:57,773 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 99 transitions. Word has length 13 [2019-12-07 12:01:57,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:01:57,774 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 99 transitions. [2019-12-07 12:01:57,774 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 12:01:57,774 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 99 transitions. [2019-12-07 12:01:57,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 12:01:57,775 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:01:57,775 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:01:57,975 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 12:01:57,976 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:01:57,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:01:57,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1269233595, now seen corresponding path program 1 times [2019-12-07 12:01:57,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:01:57,979 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [96691323] [2019-12-07 12:01:57,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 12:01:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:01:58,865 INFO L264 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 12:01:58,868 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:01:58,899 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 12:01:58,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:01:58,916 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:01:58,917 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 12:01:58,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:01:58,991 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [96691323] [2019-12-07 12:01:58,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:01:58,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-12-07 12:01:58,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160608148] [2019-12-07 12:01:58,992 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 12:01:58,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:01:58,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 12:01:58,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 12:01:58,993 INFO L87 Difference]: Start difference. First operand 74 states and 99 transitions. Second operand 9 states. [2019-12-07 12:01:59,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:01:59,703 INFO L93 Difference]: Finished difference Result 135 states and 184 transitions. [2019-12-07 12:01:59,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 12:01:59,703 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2019-12-07 12:01:59,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:01:59,704 INFO L225 Difference]: With dead ends: 135 [2019-12-07 12:01:59,704 INFO L226 Difference]: Without dead ends: 74 [2019-12-07 12:01:59,705 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-12-07 12:01:59,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-12-07 12:01:59,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2019-12-07 12:01:59,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-12-07 12:01:59,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 97 transitions. [2019-12-07 12:01:59,711 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 97 transitions. Word has length 18 [2019-12-07 12:01:59,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:01:59,711 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 97 transitions. [2019-12-07 12:01:59,711 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 12:01:59,712 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2019-12-07 12:01:59,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 12:01:59,712 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:01:59,712 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:01:59,913 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 12:01:59,913 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:01:59,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:01:59,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1834950849, now seen corresponding path program 1 times [2019-12-07 12:01:59,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:01:59,916 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2123073988] [2019-12-07 12:01:59,916 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/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 12:02:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:02:00,849 INFO L264 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 12:02:00,850 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:02:01,044 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-12-07 12:02:01,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:02:01,148 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:02:01,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:02:01,854 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2123073988] [2019-12-07 12:02:01,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:02:01,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 12:02:01,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707720099] [2019-12-07 12:02:01,854 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 12:02:01,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:02:01,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 12:02:01,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 12:02:01,855 INFO L87 Difference]: Start difference. First operand 74 states and 97 transitions. Second operand 8 states. [2019-12-07 12:02:02,124 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2019-12-07 12:02:02,349 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2019-12-07 12:02:15,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:02:15,537 INFO L93 Difference]: Finished difference Result 94 states and 119 transitions. [2019-12-07 12:02:15,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:02:15,548 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2019-12-07 12:02:15,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:02:15,549 INFO L225 Difference]: With dead ends: 94 [2019-12-07 12:02:15,550 INFO L226 Difference]: Without dead ends: 90 [2019-12-07 12:02:15,550 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 12:02:15,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-12-07 12:02:15,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 74. [2019-12-07 12:02:15,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-12-07 12:02:15,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 95 transitions. [2019-12-07 12:02:15,557 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 95 transitions. Word has length 19 [2019-12-07 12:02:15,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:02:15,557 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 95 transitions. [2019-12-07 12:02:15,557 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 12:02:15,557 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2019-12-07 12:02:15,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 12:02:15,558 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:02:15,558 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] [2019-12-07 12:02:15,758 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 12:02:15,759 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:02:15,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:02:15,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1055279212, now seen corresponding path program 1 times [2019-12-07 12:02:15,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:02:15,761 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [157252166] [2019-12-07 12:02:15,762 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/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 12:02:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:02:16,723 INFO L264 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 12:02:16,727 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:02:16,846 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 12:02:16,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:02:16,861 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:02:16,861 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 12:02:16,891 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 12:02:17,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:02:17,006 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [157252166] [2019-12-07 12:02:17,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:02:17,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 15 [2019-12-07 12:02:17,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331053769] [2019-12-07 12:02:17,007 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-12-07 12:02:17,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:02:17,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 12:02:17,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2019-12-07 12:02:17,007 INFO L87 Difference]: Start difference. First operand 74 states and 95 transitions. Second operand 15 states. [2019-12-07 12:02:17,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:02:17,225 INFO L93 Difference]: Finished difference Result 74 states and 95 transitions. [2019-12-07 12:02:17,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 12:02:17,225 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 20 [2019-12-07 12:02:17,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:02:17,226 INFO L225 Difference]: With dead ends: 74 [2019-12-07 12:02:17,226 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 12:02:17,226 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2019-12-07 12:02:17,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 12:02:17,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 12:02:17,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 12:02:17,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:02:17,227 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-12-07 12:02:17,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:02:17,227 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:02:17,227 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-12-07 12:02:17,227 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:02:17,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 12:02:17,427 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 12:02:17,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 12:02:19,000 WARN L192 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 33 [2019-12-07 12:02:19,191 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-12-07 12:02:19,228 INFO L242 CegarLoopResult]: At program point L118(lines 118 213) the Hoare annotation is: (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32)) (ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_atan2f_~m~0 (bvor (bvand (_ bv1 32) (bvashr ULTIMATE.start___ieee754_atan2f_~hy~0 (_ bv31 32))) (bvand (_ bv2 32) (bvashr ULTIMATE.start___ieee754_atan2f_~hx~1 (_ bv30 32))))) (fp.lt (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)) (_ +zero 8 24)))) (= (fp.add roundNearestTiesToEven ~pi~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res|) (= ULTIMATE.start_main_~y~0 (_ +zero 8 24)) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 1000000000.0))) ~pi~0) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~iy~0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0)))) (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)) (fp.lt (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)) (_ +zero 8 24)))) (= currentRoundingMode roundNearestTiesToEven) (fp.lt ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (fp.lt (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)) (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0)) [2019-12-07 12:02:19,229 INFO L246 CegarLoopResult]: For program point L19(lines 19 23) no Hoare annotation was computed. [2019-12-07 12:02:19,229 INFO L246 CegarLoopResult]: For program point L19-1(lines 12 25) no Hoare annotation was computed. [2019-12-07 12:02:19,229 INFO L246 CegarLoopResult]: For program point L19-2(lines 19 23) no Hoare annotation was computed. [2019-12-07 12:02:19,229 INFO L246 CegarLoopResult]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2019-12-07 12:02:19,229 INFO L246 CegarLoopResult]: For program point L19-4(lines 12 25) no Hoare annotation was computed. [2019-12-07 12:02:19,229 INFO L246 CegarLoopResult]: For program point L19-5(lines 19 23) no Hoare annotation was computed. [2019-12-07 12:02:19,229 INFO L246 CegarLoopResult]: For program point L19-6(lines 19 23) no Hoare annotation was computed. [2019-12-07 12:02:19,229 INFO L246 CegarLoopResult]: For program point L19-7(lines 12 25) no Hoare annotation was computed. [2019-12-07 12:02:19,229 INFO L246 CegarLoopResult]: For program point L19-8(lines 19 23) no Hoare annotation was computed. [2019-12-07 12:02:19,229 INFO L246 CegarLoopResult]: For program point L201(lines 201 205) no Hoare annotation was computed. [2019-12-07 12:02:19,229 INFO L246 CegarLoopResult]: For program point L168(lines 168 177) no Hoare annotation was computed. [2019-12-07 12:02:19,229 INFO L246 CegarLoopResult]: For program point L201-1(lines 194 206) no Hoare annotation was computed. [2019-12-07 12:02:19,229 INFO L246 CegarLoopResult]: For program point L201-2(lines 201 205) no Hoare annotation was computed. [2019-12-07 12:02:19,230 INFO L246 CegarLoopResult]: For program point L69(lines 69 94) no Hoare annotation was computed. [2019-12-07 12:02:19,230 INFO L246 CegarLoopResult]: For program point L69-2(lines 69 94) no Hoare annotation was computed. [2019-12-07 12:02:19,230 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 12:02:19,230 INFO L246 CegarLoopResult]: For program point L185(lines 185 190) no Hoare annotation was computed. [2019-12-07 12:02:19,230 INFO L246 CegarLoopResult]: For program point L86(lines 86 92) no Hoare annotation was computed. [2019-12-07 12:02:19,230 INFO L246 CegarLoopResult]: For program point L86-2(lines 69 94) no Hoare annotation was computed. [2019-12-07 12:02:19,230 INFO L246 CegarLoopResult]: For program point L86-3(lines 86 92) no Hoare annotation was computed. [2019-12-07 12:02:19,230 INFO L246 CegarLoopResult]: For program point L86-5(lines 69 94) no Hoare annotation was computed. [2019-12-07 12:02:19,230 INFO L246 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2019-12-07 12:02:19,230 INFO L246 CegarLoopResult]: For program point L136(lines 136 137) no Hoare annotation was computed. [2019-12-07 12:02:19,230 INFO L246 CegarLoopResult]: For program point L70(lines 70 73) no Hoare annotation was computed. [2019-12-07 12:02:19,230 INFO L246 CegarLoopResult]: For program point L70-2(lines 70 73) no Hoare annotation was computed. [2019-12-07 12:02:19,230 INFO L246 CegarLoopResult]: For program point L70-3(lines 70 73) no Hoare annotation was computed. [2019-12-07 12:02:19,230 INFO L246 CegarLoopResult]: For program point L70-5(lines 70 73) no Hoare annotation was computed. [2019-12-07 12:02:19,230 INFO L246 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2019-12-07 12:02:19,230 INFO L246 CegarLoopResult]: For program point L153-2(line 153) no Hoare annotation was computed. [2019-12-07 12:02:19,231 INFO L249 CegarLoopResult]: At program point L236(lines 215 237) the Hoare annotation is: true [2019-12-07 12:02:19,231 INFO L246 CegarLoopResult]: For program point L71(lines 71 72) no Hoare annotation was computed. [2019-12-07 12:02:19,231 INFO L246 CegarLoopResult]: For program point L71-1(lines 71 72) no Hoare annotation was computed. [2019-12-07 12:02:19,231 INFO L246 CegarLoopResult]: For program point L187(lines 187 190) no Hoare annotation was computed. [2019-12-07 12:02:19,231 INFO L246 CegarLoopResult]: For program point L187-2(lines 185 190) no Hoare annotation was computed. [2019-12-07 12:02:19,231 INFO L246 CegarLoopResult]: For program point L55-1(lines 55 59) no Hoare annotation was computed. [2019-12-07 12:02:19,231 INFO L242 CegarLoopResult]: At program point L55-2(lines 55 59) the Hoare annotation is: false [2019-12-07 12:02:19,231 INFO L246 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2019-12-07 12:02:19,231 INFO L246 CegarLoopResult]: For program point L55-5(lines 55 59) no Hoare annotation was computed. [2019-12-07 12:02:19,231 INFO L242 CegarLoopResult]: At program point L55-6(lines 55 59) the Hoare annotation is: false [2019-12-07 12:02:19,231 INFO L246 CegarLoopResult]: For program point L55-7(lines 55 59) no Hoare annotation was computed. [2019-12-07 12:02:19,231 INFO L246 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2019-12-07 12:02:19,231 INFO L246 CegarLoopResult]: For program point L155(lines 155 179) no Hoare annotation was computed. [2019-12-07 12:02:19,231 INFO L246 CegarLoopResult]: For program point L155-1(lines 118 213) no Hoare annotation was computed. [2019-12-07 12:02:19,231 INFO L246 CegarLoopResult]: For program point L122-1(lines 122 126) no Hoare annotation was computed. [2019-12-07 12:02:19,232 INFO L242 CegarLoopResult]: At program point L122-2(lines 122 126) the Hoare annotation is: (and (= ~pi~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0)))) (= ULTIMATE.start_main_~y~0 (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (fp.lt ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0)) [2019-12-07 12:02:19,232 INFO L246 CegarLoopResult]: For program point L122-3(lines 122 126) no Hoare annotation was computed. [2019-12-07 12:02:19,232 INFO L246 CegarLoopResult]: For program point L156(lines 156 178) no Hoare annotation was computed. [2019-12-07 12:02:19,232 INFO L242 CegarLoopResult]: At program point L24(lines 12 25) the Hoare annotation is: false [2019-12-07 12:02:19,232 INFO L242 CegarLoopResult]: At program point L24-1(lines 12 25) the Hoare annotation is: false [2019-12-07 12:02:19,232 INFO L242 CegarLoopResult]: At program point L24-2(lines 12 25) the Hoare annotation is: false [2019-12-07 12:02:19,232 INFO L246 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2019-12-07 12:02:19,232 INFO L246 CegarLoopResult]: For program point L140(lines 140 150) no Hoare annotation was computed. [2019-12-07 12:02:19,232 INFO L246 CegarLoopResult]: For program point L107(lines 107 112) no Hoare annotation was computed. [2019-12-07 12:02:19,232 INFO L246 CegarLoopResult]: For program point L140-2(lines 118 213) no Hoare annotation was computed. [2019-12-07 12:02:19,232 INFO L246 CegarLoopResult]: For program point L107-1(lines 107 112) no Hoare annotation was computed. [2019-12-07 12:02:19,232 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 12:02:19,232 INFO L246 CegarLoopResult]: For program point L157(lines 157 166) no Hoare annotation was computed. [2019-12-07 12:02:19,232 INFO L246 CegarLoopResult]: For program point L141(lines 141 149) no Hoare annotation was computed. [2019-12-07 12:02:19,232 INFO L246 CegarLoopResult]: For program point L224(lines 224 234) no Hoare annotation was computed. [2019-12-07 12:02:19,233 INFO L246 CegarLoopResult]: For program point L191(lines 191 212) no Hoare annotation was computed. [2019-12-07 12:02:19,233 INFO L246 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2019-12-07 12:02:19,233 INFO L246 CegarLoopResult]: For program point L224-2(lines 224 234) no Hoare annotation was computed. [2019-12-07 12:02:19,233 INFO L246 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2019-12-07 12:02:19,233 INFO L246 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2019-12-07 12:02:19,233 INFO L246 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2019-12-07 12:02:19,233 INFO L246 CegarLoopResult]: For program point L142-2(line 142) no Hoare annotation was computed. [2019-12-07 12:02:19,233 INFO L246 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2019-12-07 12:02:19,233 INFO L246 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2019-12-07 12:02:19,233 INFO L246 CegarLoopResult]: For program point L77(lines 77 93) no Hoare annotation was computed. [2019-12-07 12:02:19,233 INFO L246 CegarLoopResult]: For program point L77-1(lines 77 93) no Hoare annotation was computed. [2019-12-07 12:02:19,233 INFO L246 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2019-12-07 12:02:19,233 INFO L246 CegarLoopResult]: For program point L61(lines 61 68) no Hoare annotation was computed. [2019-12-07 12:02:19,233 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 12:02:19,233 INFO L246 CegarLoopResult]: For program point L61-1(lines 61 68) no Hoare annotation was computed. [2019-12-07 12:02:19,233 INFO L246 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2019-12-07 12:02:19,233 INFO L246 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2019-12-07 12:02:19,234 INFO L246 CegarLoopResult]: For program point L78(lines 78 84) no Hoare annotation was computed. [2019-12-07 12:02:19,234 INFO L246 CegarLoopResult]: For program point L111-2(line 111) no Hoare annotation was computed. [2019-12-07 12:02:19,234 INFO L242 CegarLoopResult]: At program point L111-3(lines 51 113) the Hoare annotation is: false [2019-12-07 12:02:19,234 INFO L246 CegarLoopResult]: For program point L78-3(lines 78 84) no Hoare annotation was computed. [2019-12-07 12:02:19,234 INFO L246 CegarLoopResult]: For program point L111-4(line 111) no Hoare annotation was computed. [2019-12-07 12:02:19,234 INFO L246 CegarLoopResult]: For program point L111-6(line 111) no Hoare annotation was computed. [2019-12-07 12:02:19,234 INFO L242 CegarLoopResult]: At program point L111-7(lines 51 113) the Hoare annotation is: false [2019-12-07 12:02:19,234 INFO L246 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2019-12-07 12:02:19,234 INFO L246 CegarLoopResult]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2019-12-07 12:02:19,234 INFO L242 CegarLoopResult]: At program point L128-2(lines 128 132) the Hoare annotation is: (and (= ~pi~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0)))) (= ULTIMATE.start_main_~y~0 (_ +zero 8 24)) (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)) (fp.lt (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)) (_ +zero 8 24)))) (= currentRoundingMode roundNearestTiesToEven) (fp.lt ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (fp.lt (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)) (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0)) [2019-12-07 12:02:19,234 INFO L246 CegarLoopResult]: For program point L62(lines 62 63) no Hoare annotation was computed. [2019-12-07 12:02:19,234 INFO L246 CegarLoopResult]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2019-12-07 12:02:19,234 INFO L246 CegarLoopResult]: For program point L62-1(lines 62 63) no Hoare annotation was computed. [2019-12-07 12:02:19,234 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-12-07 12:02:19,234 INFO L246 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2019-12-07 12:02:19,235 INFO L246 CegarLoopResult]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2019-12-07 12:02:19,235 INFO L242 CegarLoopResult]: At program point L14-2(lines 14 18) the Hoare annotation is: false [2019-12-07 12:02:19,235 INFO L246 CegarLoopResult]: For program point L14-5(lines 14 18) no Hoare annotation was computed. [2019-12-07 12:02:19,235 INFO L242 CegarLoopResult]: At program point L14-6(lines 14 18) the Hoare annotation is: false [2019-12-07 12:02:19,235 INFO L246 CegarLoopResult]: For program point L14-9(lines 14 18) no Hoare annotation was computed. [2019-12-07 12:02:19,235 INFO L242 CegarLoopResult]: At program point L14-10(lines 14 18) the Hoare annotation is: false [2019-12-07 12:02:19,235 INFO L246 CegarLoopResult]: For program point L196-1(lines 196 200) no Hoare annotation was computed. [2019-12-07 12:02:19,235 INFO L242 CegarLoopResult]: At program point L196-2(lines 196 200) the Hoare annotation is: false [2019-12-07 12:02:19,235 INFO L246 CegarLoopResult]: For program point L64(lines 64 67) no Hoare annotation was computed. [2019-12-07 12:02:19,235 INFO L246 CegarLoopResult]: For program point L64-1(lines 64 67) no Hoare annotation was computed. [2019-12-07 12:02:19,235 INFO L246 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2019-12-07 12:02:19,235 INFO L246 CegarLoopResult]: For program point L230(lines 230 233) no Hoare annotation was computed. [2019-12-07 12:02:19,235 INFO L246 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2019-12-07 12:02:19,235 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 12:02:19,235 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 231) no Hoare annotation was computed. [2019-12-07 12:02:19,236 INFO L246 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2019-12-07 12:02:19,236 INFO L246 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2019-12-07 12:02:19,236 INFO L246 CegarLoopResult]: For program point L182-2(line 182) no Hoare annotation was computed. [2019-12-07 12:02:19,236 INFO L246 CegarLoopResult]: For program point L134(lines 134 135) no Hoare annotation was computed. [2019-12-07 12:02:19,242 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,243 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,243 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,243 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,245 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,246 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,246 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,246 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,246 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,249 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,249 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,249 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,249 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,249 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,249 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,251 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 12:02:19,252 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,252 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,252 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,252 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,252 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,252 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,252 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,253 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,253 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,253 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 12:02:19,253 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 12:02:19,253 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 12:02:19,253 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 12:02:19,253 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,253 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,253 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,254 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,254 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,255 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 12:02:19,255 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,255 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,256 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,256 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,256 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,256 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,256 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,256 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,256 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,256 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 12:02:19,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 12:02:19,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 12:02:19,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 12:02:19,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,257 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,259 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,260 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:02:19 BoogieIcfgContainer [2019-12-07 12:02:19,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:02:19,262 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:02:19,262 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:02:19,262 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:02:19,262 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:01:52" (3/4) ... [2019-12-07 12:02:19,265 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 12:02:19,275 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-12-07 12:02:19,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-07 12:02:19,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:02:19,296 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pi == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) && y == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) && ~fp.lt~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]), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.lt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 [2019-12-07 12:02:19,296 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~Pluszero~LONGDOUBLE() && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32, ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: m == ~bvor32(~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hx~1, 30bv32))) && ~fp.lt~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]), ~Pluszero~LONGDOUBLE()))) && ~fp.add~FLOAT(~roundNearestTiesToEven, pi, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && y == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/1000000000)) == pi) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~Pluszero~LONGDOUBLE() && iy == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0))) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) && ~fp.lt~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]), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.lt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 [2019-12-07 12:02:19,329 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5e592dee-332b-45ba-a67b-8f12635686eb/bin/utaipan/witness.graphml [2019-12-07 12:02:19,329 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:02:19,330 INFO L168 Benchmark]: Toolchain (without parser) took 41342.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.4 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -117.8 MB). Peak memory consumption was 74.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:02:19,330 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:02:19,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -148.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:02:19,331 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:02:19,331 INFO L168 Benchmark]: Boogie Preprocessor took 42.45 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:02:19,331 INFO L168 Benchmark]: RCFGBuilder took 14498.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:02:19,331 INFO L168 Benchmark]: TraceAbstraction took 26421.55 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 73.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -48.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:02:19,332 INFO L168 Benchmark]: Witness Printer took 67.33 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:02:19,333 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 267.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -148.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.45 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 14498.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 26421.55 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 73.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -48.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Witness Printer took 67.33 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___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 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,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 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_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,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 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_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,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 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 - 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: 231]: 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: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant [2019-12-07 12:02:19,337 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,337 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,337 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,337 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,337 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,338 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,338 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,338 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,338 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,338 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,339 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((pi == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) && y == ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) && ~fp.lt~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]), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.lt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant [2019-12-07 12:02:19,340 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 12:02:19,340 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,340 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,340 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,340 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,341 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,341 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,341 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,341 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,341 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 12:02:19,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 12:02:19,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 12:02:19,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 12:02:19,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,342 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 12:02:19,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,343 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,343 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,344 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,344 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,344 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,344 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 12:02:19,344 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 12:02:19,344 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 12:02:19,344 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 12:02:19,344 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,344 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,344 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,344 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 12:02:19,345 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,345 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,345 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,345 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((((((~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~Pluszero~LONGDOUBLE() && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32, ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: m == ~bvor32(~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hy~0, 31bv32)), ~bvand32(2bv32, ~bvashr32(ULTIMATE.start___ieee754_atan2f_~hx~1, 30bv32))) && ~fp.lt~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]), ~Pluszero~LONGDOUBLE()))) && ~fp.add~FLOAT(~roundNearestTiesToEven, pi, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && y == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/1000000000)) == pi) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~Pluszero~LONGDOUBLE() && iy == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0))) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) && ~fp.lt~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]), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.lt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant [2019-12-07 12:02:19,346 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,346 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,346 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,346 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,346 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,346 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,346 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:02:19,347 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,347 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,347 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,347 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:02:19,347 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((pi == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) && y == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.lt~FLOAT(x, ~Pluszero~LONGDOUBLE())) && y == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 1 error locations. Result: SAFE, OverallTime: 24.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 16.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, HoareTripleCheckerStatistics: 406 SDtfs, 1400 SDslu, 398 SDs, 0 SdLazy, 198 SolverSat, 33 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 13.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 168 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred 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, 5 MinimizatonAttempts, 16 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 202 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.9s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 152 ConstructedInterpolants, 31 QuantifiedInterpolants, 24989 SizeOfPredicates, 37 NumberOfNonLiveVariables, 520 ConjunctsInSsa, 42 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! Received shutdown request...