./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.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_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 18318d2897bde0142dc4632253da5d46def4ecbb .............................................................................................................................................................................................................................................................................................. 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_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 18318d2897bde0142dc4632253da5d46def4ecbb ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:33:05,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:33:05,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:33:05,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:33:05,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:33:05,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:33:05,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:33:05,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:33:05,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:33:05,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:33:05,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:33:05,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:33:05,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:33:05,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:33:05,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:33:05,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:33:05,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:33:05,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:33:06,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:33:06,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:33:06,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:33:06,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:33:06,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:33:06,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:33:06,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:33:06,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:33:06,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:33:06,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:33:06,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:33:06,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:33:06,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:33:06,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:33:06,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:33:06,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:33:06,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:33:06,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:33:06,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:33:06,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:33:06,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:33:06,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:33:06,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:33:06,015 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 16:33:06,027 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:33:06,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:33:06,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:33:06,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:33:06,029 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:33:06,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:33:06,029 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:33:06,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:33:06,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:33:06,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:33:06,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:33:06,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:33:06,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:33:06,031 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:33:06,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:33:06,031 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:33:06,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:33:06,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:33:06,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:33:06,032 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:33:06,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:33:06,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:33:06,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:33:06,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:33:06,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:33:06,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 16:33:06,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:33:06,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:33:06,033 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:33:06,034 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer 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 -> Automizer 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 -> 18318d2897bde0142dc4632253da5d46def4ecbb [2019-12-07 16:33:06,140 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:33:06,148 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:33:06,151 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:33:06,152 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:33:06,152 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:33:06,153 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-12-07 16:33:06,190 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/data/6f2a9b163/1bfcaab788ea4e7bb6f8ddd5620322c2/FLAGabe5445ff [2019-12-07 16:33:06,608 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:33:06,608 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-12-07 16:33:06,613 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/data/6f2a9b163/1bfcaab788ea4e7bb6f8ddd5620322c2/FLAGabe5445ff [2019-12-07 16:33:06,622 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/data/6f2a9b163/1bfcaab788ea4e7bb6f8ddd5620322c2 [2019-12-07 16:33:06,624 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:33:06,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:33:06,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:33:06,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:33:06,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:33:06,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:33:06" (1/1) ... [2019-12-07 16:33:06,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc2fff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:06, skipping insertion in model container [2019-12-07 16:33:06,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:33:06" (1/1) ... [2019-12-07 16:33:06,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:33:06,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:33:06,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:33:06,819 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:33:06,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:33:06,856 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:33:06,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:06 WrapperNode [2019-12-07 16:33:06,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:33:06,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:33:06,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:33:06,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:33:06,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:06" (1/1) ... [2019-12-07 16:33:06,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:06" (1/1) ... [2019-12-07 16:33:06,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:33:06,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:33:06,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:33:06,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:33:06,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:06" (1/1) ... [2019-12-07 16:33:06,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:06" (1/1) ... [2019-12-07 16:33:06,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:06" (1/1) ... [2019-12-07 16:33:06,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:06" (1/1) ... [2019-12-07 16:33:06,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:06" (1/1) ... [2019-12-07 16:33:06,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:06" (1/1) ... [2019-12-07 16:33:06,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:06" (1/1) ... [2019-12-07 16:33:06,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:33:06,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:33:06,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:33:06,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:33:06,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/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 16:33:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:33:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 16:33:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 16:33:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 16:33:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:33:06,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:33:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 16:33:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 16:33:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:33:07,195 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:33:07,196 INFO L287 CfgBuilder]: Removed 22 assume(true) statements. [2019-12-07 16:33:07,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:33:07 BoogieIcfgContainer [2019-12-07 16:33:07,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:33:07,197 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:33:07,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:33:07,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:33:07,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:33:06" (1/3) ... [2019-12-07 16:33:07,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fccc8d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:33:07, skipping insertion in model container [2019-12-07 16:33:07,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:06" (2/3) ... [2019-12-07 16:33:07,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fccc8d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:33:07, skipping insertion in model container [2019-12-07 16:33:07,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:33:07" (3/3) ... [2019-12-07 16:33:07,202 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2019-12-07 16:33:07,208 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:33:07,212 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 16:33:07,219 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 16:33:07,235 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:33:07,236 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:33:07,236 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:33:07,236 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:33:07,236 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:33:07,236 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:33:07,236 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:33:07,236 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:33:07,247 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2019-12-07 16:33:07,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 16:33:07,252 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:33:07,252 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:33:07,252 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:33:07,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:33:07,256 INFO L82 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2019-12-07 16:33:07,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:33:07,262 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564532877] [2019-12-07 16:33:07,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:33:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:33:07,347 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 16:33:07,347 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564532877] [2019-12-07 16:33:07,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:33:07,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 16:33:07,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111444098] [2019-12-07 16:33:07,351 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:33:07,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:33:07,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:33:07,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:33:07,361 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 2 states. [2019-12-07 16:33:07,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:33:07,376 INFO L93 Difference]: Finished difference Result 93 states and 156 transitions. [2019-12-07 16:33:07,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:33:07,377 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 16:33:07,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:33:07,385 INFO L225 Difference]: With dead ends: 93 [2019-12-07 16:33:07,385 INFO L226 Difference]: Without dead ends: 44 [2019-12-07 16:33:07,387 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 16:33:07,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-12-07 16:33:07,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-12-07 16:33:07,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-12-07 16:33:07,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2019-12-07 16:33:07,413 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 11 [2019-12-07 16:33:07,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:33:07,414 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2019-12-07 16:33:07,414 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:33:07,414 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2019-12-07 16:33:07,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 16:33:07,414 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:33:07,414 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:33:07,415 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:33:07,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:33:07,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2019-12-07 16:33:07,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:33:07,415 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810559540] [2019-12-07 16:33:07,416 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:33:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:33:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:33:07,498 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:33:07,498 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 16:33:07,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:33:07 BoogieIcfgContainer [2019-12-07 16:33:07,518 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:33:07,519 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:33:07,519 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:33:07,519 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:33:07,519 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:33:07" (3/4) ... [2019-12-07 16:33:07,522 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 16:33:07,522 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:33:07,523 INFO L168 Benchmark]: Toolchain (without parser) took 898.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 942.6 MB in the beginning and 1.0 GB in the end (delta: -90.0 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:33:07,524 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:33:07,524 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -157.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:33:07,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.73 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 16:33:07,525 INFO L168 Benchmark]: Boogie Preprocessor took 23.05 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 16:33:07,525 INFO L168 Benchmark]: RCFGBuilder took 285.41 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: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:33:07,526 INFO L168 Benchmark]: TraceAbstraction took 321.07 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:33:07,526 INFO L168 Benchmark]: Witness Printer took 3.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:33:07,528 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 231.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -157.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.05 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 285.41 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: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 321.07 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 135]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 134, overapproximation of someUnaryDOUBLEoperation at line 14, overapproximation of bitwiseAnd at line 30, overapproximation of bitwiseXor at line 31, overapproximation of someBinaryArithmeticFLOAToperation at line 35. Possible FailurePath: [L12-L15] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={3:0}] [L126] float x = 0.0f; [L127] float y = __VERIFIER_nondet_float(); [L129] COND TRUE (y < 0.0f || y > 0.0f) [L18] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [one_fmod=1, Zero_fmod={3:0}] [L21] ieee_float_shape_type gf_u; [L22] gf_u.value = (x) [L23] EXPR gf_u.word [L23] (hx) = gf_u.word [L26] ieee_float_shape_type gf_u; [L27] gf_u.value = (y) [L28] EXPR gf_u.word [L28] (hy) = gf_u.word [L30] sx = hx & 0x80000000 [L31] hx ^= sx [L32] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={3:0}] [L34] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L35] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={3:0}] [L131] float res = fmod_float(x, y); [L134] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_fmod=1, Zero_fmod={3:0}] [L134] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L135] __VERIFIER_error() VAL [one_fmod=1, Zero_fmod={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 65 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=48occurred 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, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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 16:33:08,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:33:08,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:33:08,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:33:08,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:33:08,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:33:08,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:33:08,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:33:08,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:33:08,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:33:08,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:33:08,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:33:08,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:33:08,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:33:08,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:33:08,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:33:08,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:33:08,927 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:33:08,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:33:08,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:33:08,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:33:08,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:33:08,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:33:08,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:33:08,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:33:08,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:33:08,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:33:08,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:33:08,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:33:08,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:33:08,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:33:08,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:33:08,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:33:08,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:33:08,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:33:08,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:33:08,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:33:08,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:33:08,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:33:08,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:33:08,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:33:08,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 16:33:08,951 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:33:08,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:33:08,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:33:08,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:33:08,953 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:33:08,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:33:08,953 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:33:08,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:33:08,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:33:08,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:33:08,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:33:08,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:33:08,954 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 16:33:08,954 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 16:33:08,954 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:33:08,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:33:08,954 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:33:08,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:33:08,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:33:08,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:33:08,955 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:33:08,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:33:08,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:33:08,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:33:08,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:33:08,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:33:08,955 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 16:33:08,956 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 16:33:08,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:33:08,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:33:08,956 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:33:08,956 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_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer 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 -> Automizer 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 -> 18318d2897bde0142dc4632253da5d46def4ecbb [2019-12-07 16:33:09,114 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:33:09,122 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:33:09,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:33:09,125 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:33:09,126 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:33:09,126 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-12-07 16:33:09,162 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/data/9817cb778/de197636b87844fd8fe0ff36423cd78f/FLAG4fe07d208 [2019-12-07 16:33:09,633 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:33:09,634 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-12-07 16:33:09,638 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/data/9817cb778/de197636b87844fd8fe0ff36423cd78f/FLAG4fe07d208 [2019-12-07 16:33:09,647 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/data/9817cb778/de197636b87844fd8fe0ff36423cd78f [2019-12-07 16:33:09,649 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:33:09,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:33:09,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:33:09,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:33:09,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:33:09,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:33:09" (1/1) ... [2019-12-07 16:33:09,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@365d3edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:09, skipping insertion in model container [2019-12-07 16:33:09,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:33:09" (1/1) ... [2019-12-07 16:33:09,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:33:09,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:33:09,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:33:09,803 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:33:09,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:33:09,876 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:33:09,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:09 WrapperNode [2019-12-07 16:33:09,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:33:09,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:33:09,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:33:09,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:33:09,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:09" (1/1) ... [2019-12-07 16:33:09,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:09" (1/1) ... [2019-12-07 16:33:09,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:33:09,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:33:09,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:33:09,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:33:09,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:09" (1/1) ... [2019-12-07 16:33:09,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:09" (1/1) ... [2019-12-07 16:33:09,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:09" (1/1) ... [2019-12-07 16:33:09,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:09" (1/1) ... [2019-12-07 16:33:09,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:09" (1/1) ... [2019-12-07 16:33:09,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:09" (1/1) ... [2019-12-07 16:33:09,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:09" (1/1) ... [2019-12-07 16:33:09,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:33:09,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:33:09,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:33:09,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:33:09,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/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 16:33:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-12-07 16:33:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:33:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 16:33:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 16:33:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:33:09,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:33:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 16:33:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 16:33:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:33:11,286 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:33:11,287 INFO L287 CfgBuilder]: Removed 22 assume(true) statements. [2019-12-07 16:33:11,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:33:11 BoogieIcfgContainer [2019-12-07 16:33:11,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:33:11,288 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:33:11,288 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:33:11,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:33:11,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:33:09" (1/3) ... [2019-12-07 16:33:11,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e0af886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:33:11, skipping insertion in model container [2019-12-07 16:33:11,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:33:09" (2/3) ... [2019-12-07 16:33:11,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e0af886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:33:11, skipping insertion in model container [2019-12-07 16:33:11,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:33:11" (3/3) ... [2019-12-07 16:33:11,292 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2019-12-07 16:33:11,299 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:33:11,303 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 16:33:11,310 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 16:33:11,324 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:33:11,324 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:33:11,325 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:33:11,325 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:33:11,325 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:33:11,325 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:33:11,325 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:33:11,325 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:33:11,334 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2019-12-07 16:33:11,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 16:33:11,338 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:33:11,338 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:33:11,339 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:33:11,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:33:11,342 INFO L82 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2019-12-07 16:33:11,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 16:33:11,349 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1113653211] [2019-12-07 16:33:11,350 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/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 16:33:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:33:11,582 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 16:33:11,585 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:33:11,594 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 16:33:11,594 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:33:11,597 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 16:33:11,597 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1113653211] [2019-12-07 16:33:11,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:33:11,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 16:33:11,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191923941] [2019-12-07 16:33:11,601 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:33:11,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 16:33:11,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:33:11,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:33:11,612 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 2 states. [2019-12-07 16:33:11,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:33:11,627 INFO L93 Difference]: Finished difference Result 93 states and 156 transitions. [2019-12-07 16:33:11,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:33:11,628 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 16:33:11,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:33:11,635 INFO L225 Difference]: With dead ends: 93 [2019-12-07 16:33:11,635 INFO L226 Difference]: Without dead ends: 44 [2019-12-07 16:33:11,637 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 16:33:11,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-12-07 16:33:11,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-12-07 16:33:11,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-12-07 16:33:11,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2019-12-07 16:33:11,662 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 11 [2019-12-07 16:33:11,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:33:11,662 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2019-12-07 16:33:11,662 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:33:11,662 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2019-12-07 16:33:11,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 16:33:11,662 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:33:11,663 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:33:11,863 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 16:33:11,864 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:33:11,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:33:11,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2019-12-07 16:33:11,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 16:33:11,868 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008707763] [2019-12-07 16:33:11,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/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 16:33:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:33:12,162 INFO L264 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-07 16:33:12,164 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:33:12,246 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:33:18,344 WARN L192 SmtUtils]: Spent 6.06 s on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2019-12-07 16:33:18,352 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 16:33:18,352 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:33:18,409 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 16:33:18,527 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 16:33:18,651 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 16:33:18,687 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 16:33:18,687 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2008707763] [2019-12-07 16:33:18,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:33:18,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-12-07 16:33:18,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67940077] [2019-12-07 16:33:18,689 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 16:33:18,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 16:33:18,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 16:33:18,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2019-12-07 16:33:18,690 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand 12 states. [2019-12-07 16:33:18,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:33:18,871 INFO L93 Difference]: Finished difference Result 53 states and 69 transitions. [2019-12-07 16:33:18,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 16:33:18,872 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2019-12-07 16:33:18,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:33:18,873 INFO L225 Difference]: With dead ends: 53 [2019-12-07 16:33:18,873 INFO L226 Difference]: Without dead ends: 19 [2019-12-07 16:33:18,874 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2019-12-07 16:33:18,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-12-07 16:33:18,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-12-07 16:33:18,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-07 16:33:18,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-12-07 16:33:18,878 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 13 [2019-12-07 16:33:18,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:33:18,879 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-12-07 16:33:18,879 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 16:33:18,879 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-12-07 16:33:18,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 16:33:18,880 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:33:18,880 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:33:19,081 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 16:33:19,081 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:33:19,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:33:19,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1911951893, now seen corresponding path program 1 times [2019-12-07 16:33:19,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 16:33:19,085 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1584701499] [2019-12-07 16:33:19,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/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 16:33:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:33:19,217 INFO L264 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 16:33:19,219 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:33:19,242 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 16:33:19,243 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:33:19,244 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:33:19,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:33:19,275 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1584701499] [2019-12-07 16:33:19,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:33:19,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-12-07 16:33:19,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581193552] [2019-12-07 16:33:19,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 16:33:19,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 16:33:19,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 16:33:19,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 16:33:19,277 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 9 states. [2019-12-07 16:33:19,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:33:19,339 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-12-07 16:33:19,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 16:33:19,339 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2019-12-07 16:33:19,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:33:19,340 INFO L225 Difference]: With dead ends: 22 [2019-12-07 16:33:19,340 INFO L226 Difference]: Without dead ends: 19 [2019-12-07 16:33:19,340 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-12-07 16:33:19,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-12-07 16:33:19,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-12-07 16:33:19,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-07 16:33:19,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2019-12-07 16:33:19,342 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2019-12-07 16:33:19,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:33:19,343 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2019-12-07 16:33:19,343 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 16:33:19,343 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2019-12-07 16:33:19,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 16:33:19,343 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:33:19,343 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 16:33:19,544 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 16:33:19,545 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:33:19,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:33:19,546 INFO L82 PathProgramCache]: Analyzing trace with hash -645654976, now seen corresponding path program 1 times [2019-12-07 16:33:19,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 16:33:19,547 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [122118087] [2019-12-07 16:33:19,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/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 16:33:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:33:19,650 INFO L264 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 16:33:19,652 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:33:19,692 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:33:19,714 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 16:33:19,714 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:33:19,715 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:33:19,862 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 16:33:19,863 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [122118087] [2019-12-07 16:33:19,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:33:19,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2019-12-07 16:33:19,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910459855] [2019-12-07 16:33:19,863 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-12-07 16:33:19,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 16:33:19,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-12-07 16:33:19,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2019-12-07 16:33:19,864 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 16 states. [2019-12-07 16:33:20,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:33:20,054 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-12-07 16:33:20,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 16:33:20,054 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 18 [2019-12-07 16:33:20,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:33:20,054 INFO L225 Difference]: With dead ends: 19 [2019-12-07 16:33:20,055 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 16:33:20,055 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2019-12-07 16:33:20,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 16:33:20,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 16:33:20,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 16:33:20,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 16:33:20,056 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-12-07 16:33:20,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:33:20,056 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:33:20,056 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-12-07 16:33:20,056 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:33:20,056 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 16:33:20,257 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 16:33:20,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 16:33:20,457 INFO L246 CegarLoopResult]: For program point L52-1(lines 17 105) no Hoare annotation was computed. [2019-12-07 16:33:20,457 INFO L246 CegarLoopResult]: For program point L110-1(lines 110 114) no Hoare annotation was computed. [2019-12-07 16:33:20,458 INFO L242 CegarLoopResult]: At program point L110-2(lines 110 114) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) |ULTIMATE.start_main_#t~short17| (or (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= (fp ((_ extract 31 31) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_fmod_float_~hx~0)) (_ +zero 8 24)) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0))) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24))) [2019-12-07 16:33:20,458 INFO L246 CegarLoopResult]: For program point L110-3(lines 110 114) no Hoare annotation was computed. [2019-12-07 16:33:20,458 INFO L246 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2019-12-07 16:33:20,458 INFO L246 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2019-12-07 16:33:20,458 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 16:33:20,458 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 16:33:20,458 INFO L246 CegarLoopResult]: For program point L86(lines 86 103) no Hoare annotation was computed. [2019-12-07 16:33:20,458 INFO L246 CegarLoopResult]: For program point L20-1(lines 20 24) no Hoare annotation was computed. [2019-12-07 16:33:20,458 INFO L242 CegarLoopResult]: At program point L20-2(lines 20 24) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24))) [2019-12-07 16:33:20,458 INFO L246 CegarLoopResult]: For program point L70(lines 70 71) no Hoare annotation was computed. [2019-12-07 16:33:20,458 INFO L246 CegarLoopResult]: For program point L46(lines 17 105) no Hoare annotation was computed. [2019-12-07 16:33:20,458 INFO L242 CegarLoopResult]: At program point L104(lines 17 105) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= (fp ((_ extract 31 31) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_fmod_float_~hx~0)) (_ +zero 8 24)) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0))) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24))) [2019-12-07 16:33:20,459 INFO L246 CegarLoopResult]: For program point L38(lines 38 39) no Hoare annotation was computed. [2019-12-07 16:33:20,459 INFO L246 CegarLoopResult]: For program point L129(lines 129 138) no Hoare annotation was computed. [2019-12-07 16:33:20,459 INFO L246 CegarLoopResult]: For program point L129-2(lines 129 138) no Hoare annotation was computed. [2019-12-07 16:33:20,459 INFO L246 CegarLoopResult]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2019-12-07 16:33:20,459 INFO L242 CegarLoopResult]: At program point L88-2(lines 88 92) the Hoare annotation is: false [2019-12-07 16:33:20,459 INFO L246 CegarLoopResult]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2019-12-07 16:33:20,459 INFO L242 CegarLoopResult]: At program point L47-3(lines 47 48) the Hoare annotation is: false [2019-12-07 16:33:20,459 INFO L246 CegarLoopResult]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2019-12-07 16:33:20,459 INFO L242 CegarLoopResult]: At program point L97-2(lines 97 101) the Hoare annotation is: false [2019-12-07 16:33:20,459 INFO L246 CegarLoopResult]: For program point L97-3(lines 97 101) no Hoare annotation was computed. [2019-12-07 16:33:20,459 INFO L246 CegarLoopResult]: For program point L40(lines 40 44) no Hoare annotation was computed. [2019-12-07 16:33:20,459 INFO L246 CegarLoopResult]: For program point L40-1(lines 17 105) no Hoare annotation was computed. [2019-12-07 16:33:20,459 INFO L246 CegarLoopResult]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2019-12-07 16:33:20,459 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 16:33:20,459 INFO L246 CegarLoopResult]: For program point L65-3(lines 65 74) no Hoare annotation was computed. [2019-12-07 16:33:20,460 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 135) no Hoare annotation was computed. [2019-12-07 16:33:20,460 INFO L242 CegarLoopResult]: At program point L82-2(lines 82 85) the Hoare annotation is: false [2019-12-07 16:33:20,460 INFO L246 CegarLoopResult]: For program point L82-3(lines 17 105) no Hoare annotation was computed. [2019-12-07 16:33:20,460 INFO L249 CegarLoopResult]: At program point L140(lines 119 141) the Hoare annotation is: true [2019-12-07 16:33:20,460 INFO L246 CegarLoopResult]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2019-12-07 16:33:20,460 INFO L242 CegarLoopResult]: At program point L41-3(lines 41 42) the Hoare annotation is: false [2019-12-07 16:33:20,460 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 16:33:20,460 INFO L246 CegarLoopResult]: For program point L25(lines 25 29) no Hoare annotation was computed. [2019-12-07 16:33:20,460 INFO L246 CegarLoopResult]: For program point L58-1(lines 58 63) no Hoare annotation was computed. [2019-12-07 16:33:20,460 INFO L246 CegarLoopResult]: For program point L25-1(lines 17 105) no Hoare annotation was computed. [2019-12-07 16:33:20,460 INFO L246 CegarLoopResult]: For program point L25-2(lines 25 29) no Hoare annotation was computed. [2019-12-07 16:33:20,460 INFO L242 CegarLoopResult]: At program point L116(lines 107 117) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) |ULTIMATE.start_main_#t~short17| (or (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= (fp ((_ extract 31 31) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_fmod_float_~hx~0)) (_ +zero 8 24)) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0))) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32)) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24))) [2019-12-07 16:33:20,460 INFO L246 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2019-12-07 16:33:20,460 INFO L246 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-12-07 16:33:20,461 INFO L242 CegarLoopResult]: At program point L67-2(lines 65 74) the Hoare annotation is: false [2019-12-07 16:33:20,461 INFO L246 CegarLoopResult]: For program point L76(lines 76 78) no Hoare annotation was computed. [2019-12-07 16:33:20,461 INFO L246 CegarLoopResult]: For program point L76-2(lines 17 105) no Hoare annotation was computed. [2019-12-07 16:33:20,461 INFO L246 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2019-12-07 16:33:20,461 INFO L246 CegarLoopResult]: For program point L134-2(lines 134 137) no Hoare annotation was computed. [2019-12-07 16:33:20,467 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,467 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,468 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,468 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,472 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,472 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,472 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,472 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,474 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,474 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,474 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,474 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,475 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,475 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,475 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,476 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,476 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,476 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,477 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,477 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,477 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,477 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,477 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,478 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:33:20 BoogieIcfgContainer [2019-12-07 16:33:20,479 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:33:20,479 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:33:20,479 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:33:20,480 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:33:20,480 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:33:11" (3/4) ... [2019-12-07 16:33:20,482 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 16:33:20,490 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-12-07 16:33:20,490 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 16:33:20,490 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:33:20,519 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c137d430-e0ff-458e-9f57-ef87f21016b7/bin/uautomizer/witness.graphml [2019-12-07 16:33:20,519 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:33:20,520 INFO L168 Benchmark]: Toolchain (without parser) took 10870.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 952.4 MB in the beginning and 835.2 MB in the end (delta: 117.2 MB). Peak memory consumption was 237.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:33:20,520 INFO L168 Benchmark]: CDTParser took 0.14 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 16:33:20,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -156.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:33:20,521 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.53 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 16:33:20,521 INFO L168 Benchmark]: Boogie Preprocessor took 28.60 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:33:20,522 INFO L168 Benchmark]: RCFGBuilder took 1348.38 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: 39.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:33:20,522 INFO L168 Benchmark]: TraceAbstraction took 9190.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 835.2 MB in the end (delta: 227.9 MB). Peak memory consumption was 227.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:33:20,522 INFO L168 Benchmark]: Witness Printer took 39.80 ms. Allocated memory is still 1.1 GB. Free memory is still 835.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:33:20,524 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 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 226.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -156.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.53 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 28.60 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1348.38 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: 39.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9190.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 835.2 MB in the end (delta: 227.9 MB). Peak memory consumption was 227.9 MB. Max. memory is 11.5 GB. * Witness Printer took 39.80 ms. Allocated memory is still 1.1 GB. Free memory is still 835.2 MB. There was no memory consumed. 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[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 135]: 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: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant [2019-12-07 16:33:20,528 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,528 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,529 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,529 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,529 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,529 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,530 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,530 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: (((((((x == ~Pluszero~LONGDOUBLE() && aux-res == 0.0f && __signbit_float(res) == 0-aux) && (~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy)) && ~Pluszero~LONGDOUBLE() == res) && ~Pluszero~LONGDOUBLE() == x) && \result == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (x == ~Pluszero~LONGDOUBLE() && (~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 17]: Loop Invariant [2019-12-07 16:33:20,531 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,531 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,531 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,531 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,531 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,531 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,532 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,532 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: ((((x == ~Pluszero~LONGDOUBLE() && (~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy)) && \result == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 107]: Loop Invariant [2019-12-07 16:33:20,532 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,532 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,532 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,533 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,533 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,533 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,533 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 16:33:20,533 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: (((((((((x == ~Pluszero~LONGDOUBLE() && aux-res == 0.0f && __signbit_float(res) == 0-aux) && (~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == res) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && \result == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 1 error locations. Result: SAFE, OverallTime: 8.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 99 SDtfs, 162 SDslu, 103 SDs, 0 SdLazy, 69 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 173 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 16 QuantifiedInterpolants, 9818 SizeOfPredicates, 28 NumberOfNonLiveVariables, 226 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...