./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/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_37052b86-34ad-4151-a220-bbfbb674bc8a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/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 0.1.24-678e011 [2019-11-20 10:34:53,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:34:53,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:34:53,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:34:53,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:34:53,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:34:53,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:34:53,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:34:53,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:34:53,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:34:53,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:34:53,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:34:53,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:34:53,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:34:53,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:34:53,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:34:53,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:34:53,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:34:53,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:34:53,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:34:53,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:34:53,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:34:53,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:34:53,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:34:53,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:34:53,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:34:53,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:34:53,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:34:53,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:34:53,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:34:53,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:34:53,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:34:53,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:34:53,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:34:53,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:34:53,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:34:53,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:34:53,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:34:53,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:34:53,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:34:53,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:34:53,375 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 10:34:53,398 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:34:53,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:34:53,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:34:53,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:34:53,410 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:34:53,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:34:53,410 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:34:53,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:34:53,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:34:53,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:34:53,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:34:53,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:34:53,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:34:53,411 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:34:53,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:34:53,412 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:34:53,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:34:53,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:34:53,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:34:53,413 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:34:53,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:34:53,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:34:53,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:34:53,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:34:53,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:34:53,414 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:34:53,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:34:53,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:34:53,415 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_37052b86-34ad-4151-a220-bbfbb674bc8a/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 [2019-11-20 10:34:53,547 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:34:53,557 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:34:53,564 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:34:53,565 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:34:53,565 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:34:53,565 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-11-20 10:34:53,621 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/bin/uautomizer/data/34cab6a36/da30ae4d57f44fe28e3c23354b5da96c/FLAG94b878306 [2019-11-20 10:34:54,001 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:34:54,001 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-11-20 10:34:54,007 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/bin/uautomizer/data/34cab6a36/da30ae4d57f44fe28e3c23354b5da96c/FLAG94b878306 [2019-11-20 10:34:54,409 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/bin/uautomizer/data/34cab6a36/da30ae4d57f44fe28e3c23354b5da96c [2019-11-20 10:34:54,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:34:54,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:34:54,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:34:54,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:34:54,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:34:54,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:34:54" (1/1) ... [2019-11-20 10:34:54,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5195dffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:54, skipping insertion in model container [2019-11-20 10:34:54,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:34:54" (1/1) ... [2019-11-20 10:34:54,426 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:34:54,443 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:34:54,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:34:54,729 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:34:54,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:34:54,803 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:34:54,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:54 WrapperNode [2019-11-20 10:34:54,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:34:54,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:34:54,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:34:54,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:34:54,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:54" (1/1) ... [2019-11-20 10:34:54,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:54" (1/1) ... [2019-11-20 10:34:54,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:34:54,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:34:54,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:34:54,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:34:54,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:54" (1/1) ... [2019-11-20 10:34:54,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:54" (1/1) ... [2019-11-20 10:34:54,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:54" (1/1) ... [2019-11-20 10:34:54,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:54" (1/1) ... [2019-11-20 10:34:54,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:54" (1/1) ... [2019-11-20 10:34:54,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:54" (1/1) ... [2019-11-20 10:34:54,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:54" (1/1) ... [2019-11-20 10:34:54,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:34:54,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:34:54,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:34:54,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:34:54,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/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 [2019-11-20 10:34:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:34:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 10:34:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 10:34:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 10:34:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:34:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:34:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 10:34:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-11-20 10:34:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 10:34:55,361 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:34:55,361 INFO L285 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-20 10:34:55,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:34:55 BoogieIcfgContainer [2019-11-20 10:34:55,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:34:55,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:34:55,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:34:55,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:34:55,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:34:54" (1/3) ... [2019-11-20 10:34:55,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27acd9d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:34:55, skipping insertion in model container [2019-11-20 10:34:55,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:54" (2/3) ... [2019-11-20 10:34:55,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27acd9d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:34:55, skipping insertion in model container [2019-11-20 10:34:55,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:34:55" (3/3) ... [2019-11-20 10:34:55,368 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2019-11-20 10:34:55,375 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:34:55,379 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 10:34:55,388 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 10:34:55,406 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:34:55,407 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 10:34:55,407 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:34:55,407 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:34:55,407 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:34:55,407 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:34:55,408 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:34:55,408 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:34:55,422 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2019-11-20 10:34:55,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 10:34:55,427 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:34:55,428 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:34:55,428 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:34:55,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:34:55,432 INFO L82 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2019-11-20 10:34:55,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:34:55,438 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960673763] [2019-11-20 10:34:55,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:34:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:34:55,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:34:55,537 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960673763] [2019-11-20 10:34:55,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:34:55,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:34:55,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399026260] [2019-11-20 10:34:55,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 10:34:55,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:34:55,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 10:34:55,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 10:34:55,553 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 2 states. [2019-11-20 10:34:55,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:34:55,570 INFO L93 Difference]: Finished difference Result 93 states and 156 transitions. [2019-11-20 10:34:55,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 10:34:55,572 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-20 10:34:55,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:34:55,581 INFO L225 Difference]: With dead ends: 93 [2019-11-20 10:34:55,581 INFO L226 Difference]: Without dead ends: 44 [2019-11-20 10:34:55,584 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 [2019-11-20 10:34:55,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-11-20 10:34:55,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-11-20 10:34:55,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-11-20 10:34:55,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2019-11-20 10:34:55,614 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 11 [2019-11-20 10:34:55,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:34:55,614 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2019-11-20 10:34:55,614 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 10:34:55,614 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2019-11-20 10:34:55,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 10:34:55,615 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:34:55,615 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:34:55,615 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:34:55,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:34:55,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2019-11-20 10:34:55,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:34:55,616 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994448829] [2019-11-20 10:34:55,616 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:34:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:34:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:34:55,725 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:34:55,725 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 10:34:55,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:34:55 BoogieIcfgContainer [2019-11-20 10:34:55,754 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 10:34:55,754 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:34:55,755 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:34:55,755 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:34:55,755 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:34:55" (3/4) ... [2019-11-20 10:34:55,758 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 10:34:55,758 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:34:55,760 INFO L168 Benchmark]: Toolchain (without parser) took 1346.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -133.3 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-11-20 10:34:55,760 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:34:55,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -198.4 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:34:55,761 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-20 10:34:55,761 INFO L168 Benchmark]: Boogie Preprocessor took 33.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:34:55,762 INFO L168 Benchmark]: RCFGBuilder took 481.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:34:55,762 INFO L168 Benchmark]: TraceAbstraction took 391.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:34:55,763 INFO L168 Benchmark]: Witness Printer took 3.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:34:55,765 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 390.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -198.4 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 481.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 391.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * 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: 0.3s, 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 0.1.24-678e011 [2019-11-20 10:34:57,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:34:57,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:34:57,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:34:57,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:34:57,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:34:57,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:34:57,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:34:57,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:34:57,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:34:57,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:34:57,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:34:57,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:34:57,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:34:57,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:34:57,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:34:57,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:34:57,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:34:57,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:34:57,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:34:57,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:34:57,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:34:57,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:34:57,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:34:57,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:34:57,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:34:57,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:34:57,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:34:57,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:34:57,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:34:57,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:34:57,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:34:57,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:34:57,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:34:57,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:34:57,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:34:57,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:34:57,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:34:57,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:34:57,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:34:57,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:34:57,698 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 10:34:57,711 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:34:57,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:34:57,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:34:57,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:34:57,713 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:34:57,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:34:57,714 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:34:57,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:34:57,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:34:57,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:34:57,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:34:57,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:34:57,715 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 10:34:57,715 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 10:34:57,716 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:34:57,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:34:57,716 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:34:57,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:34:57,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:34:57,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:34:57,717 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:34:57,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:34:57,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:34:57,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:34:57,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:34:57,718 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:34:57,719 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 10:34:57,719 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 10:34:57,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:34:57,719 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 10:34:57,719 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_37052b86-34ad-4151-a220-bbfbb674bc8a/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 [2019-11-20 10:34:58,019 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:34:58,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:34:58,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:34:58,040 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:34:58,041 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:34:58,042 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-11-20 10:34:58,102 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/bin/uautomizer/data/b93b982d4/e0f9f0205f5a4161ade3e4a7b8e17c89/FLAGa53e3035a [2019-11-20 10:34:58,496 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:34:58,497 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-11-20 10:34:58,503 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/bin/uautomizer/data/b93b982d4/e0f9f0205f5a4161ade3e4a7b8e17c89/FLAGa53e3035a [2019-11-20 10:34:58,910 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/bin/uautomizer/data/b93b982d4/e0f9f0205f5a4161ade3e4a7b8e17c89 [2019-11-20 10:34:58,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:34:58,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:34:58,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:34:58,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:34:58,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:34:58,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:34:58" (1/1) ... [2019-11-20 10:34:58,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@511217e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:58, skipping insertion in model container [2019-11-20 10:34:58,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:34:58" (1/1) ... [2019-11-20 10:34:58,929 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:34:58,955 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:34:59,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:34:59,171 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:34:59,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:34:59,284 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:34:59,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:59 WrapperNode [2019-11-20 10:34:59,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:34:59,285 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:34:59,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:34:59,286 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:34:59,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:59" (1/1) ... [2019-11-20 10:34:59,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:59" (1/1) ... [2019-11-20 10:34:59,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:34:59,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:34:59,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:34:59,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:34:59,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:59" (1/1) ... [2019-11-20 10:34:59,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:59" (1/1) ... [2019-11-20 10:34:59,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:59" (1/1) ... [2019-11-20 10:34:59,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:59" (1/1) ... [2019-11-20 10:34:59,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:59" (1/1) ... [2019-11-20 10:34:59,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:59" (1/1) ... [2019-11-20 10:34:59,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:59" (1/1) ... [2019-11-20 10:34:59,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:34:59,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:34:59,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:34:59,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:34:59,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/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 [2019-11-20 10:34:59,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-11-20 10:34:59,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:34:59,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-20 10:34:59,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 10:34:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:34:59,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:34:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-20 10:34:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 10:34:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 10:35:01,152 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:35:01,152 INFO L285 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-20 10:35:01,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:35:01 BoogieIcfgContainer [2019-11-20 10:35:01,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:35:01,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:35:01,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:35:01,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:35:01,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:34:58" (1/3) ... [2019-11-20 10:35:01,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79fca40d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:35:01, skipping insertion in model container [2019-11-20 10:35:01,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:59" (2/3) ... [2019-11-20 10:35:01,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79fca40d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:35:01, skipping insertion in model container [2019-11-20 10:35:01,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:35:01" (3/3) ... [2019-11-20 10:35:01,160 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2019-11-20 10:35:01,170 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:35:01,177 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 10:35:01,186 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 10:35:01,210 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:35:01,210 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 10:35:01,210 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:35:01,210 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:35:01,210 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:35:01,211 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:35:01,211 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:35:01,211 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:35:01,222 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2019-11-20 10:35:01,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 10:35:01,227 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:35:01,228 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:35:01,228 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:35:01,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:35:01,232 INFO L82 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2019-11-20 10:35:01,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 10:35:01,239 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [156591124] [2019-11-20 10:35:01,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/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 [2019-11-20 10:35:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:01,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 10:35:01,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:35:01,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:35:01,575 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 10:35:01,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:35:01,590 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [156591124] [2019-11-20 10:35:01,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:35:01,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 10:35:01,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158631315] [2019-11-20 10:35:01,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 10:35:01,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 10:35:01,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 10:35:01,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 10:35:01,613 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 2 states. [2019-11-20 10:35:01,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:35:01,630 INFO L93 Difference]: Finished difference Result 93 states and 156 transitions. [2019-11-20 10:35:01,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 10:35:01,632 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-20 10:35:01,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:35:01,645 INFO L225 Difference]: With dead ends: 93 [2019-11-20 10:35:01,646 INFO L226 Difference]: Without dead ends: 44 [2019-11-20 10:35:01,649 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 [2019-11-20 10:35:01,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-11-20 10:35:01,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-11-20 10:35:01,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-11-20 10:35:01,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2019-11-20 10:35:01,682 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 11 [2019-11-20 10:35:01,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:35:01,682 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2019-11-20 10:35:01,682 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 10:35:01,682 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2019-11-20 10:35:01,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 10:35:01,683 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:35:01,683 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:35:01,898 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 10:35:01,899 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:35:01,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:35:01,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2019-11-20 10:35:01,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 10:35:01,900 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1003718782] [2019-11-20 10:35:01,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/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 [2019-11-20 10:35:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:02,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-20 10:35:02,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:35:02,269 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 10:35:08,415 WARN L191 SmtUtils]: Spent 6.09 s on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2019-11-20 10:35:08,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:35:08,426 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 10:35:08,505 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 10:35:08,693 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 10:35:08,840 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 10:35:08,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:35:08,895 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1003718782] [2019-11-20 10:35:08,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:35:08,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-11-20 10:35:08,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98219175] [2019-11-20 10:35:08,897 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-20 10:35:08,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 10:35:08,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-20 10:35:08,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2019-11-20 10:35:08,898 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand 12 states. [2019-11-20 10:35:09,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:35:09,178 INFO L93 Difference]: Finished difference Result 53 states and 69 transitions. [2019-11-20 10:35:09,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 10:35:09,180 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2019-11-20 10:35:09,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:35:09,182 INFO L225 Difference]: With dead ends: 53 [2019-11-20 10:35:09,182 INFO L226 Difference]: Without dead ends: 19 [2019-11-20 10:35:09,184 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2019-11-20 10:35:09,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-20 10:35:09,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-20 10:35:09,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-20 10:35:09,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-11-20 10:35:09,188 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 13 [2019-11-20 10:35:09,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:35:09,188 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-11-20 10:35:09,188 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-20 10:35:09,188 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-11-20 10:35:09,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:35:09,189 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:35:09,189 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:35:09,406 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 10:35:09,406 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:35:09,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:35:09,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1911951893, now seen corresponding path program 1 times [2019-11-20 10:35:09,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 10:35:09,407 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1319718361] [2019-11-20 10:35:09,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/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 [2019-11-20 10:35:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:09,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 10:35:09,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:35:09,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:35:09,543 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 10:35:09,544 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 10:35:09,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:35:09,608 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1319718361] [2019-11-20 10:35:09,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:35:09,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-11-20 10:35:09,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406127823] [2019-11-20 10:35:09,609 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-20 10:35:09,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 10:35:09,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 10:35:09,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-20 10:35:09,609 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 9 states. [2019-11-20 10:35:09,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:35:09,711 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-11-20 10:35:09,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 10:35:09,713 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2019-11-20 10:35:09,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:35:09,714 INFO L225 Difference]: With dead ends: 22 [2019-11-20 10:35:09,714 INFO L226 Difference]: Without dead ends: 19 [2019-11-20 10:35:09,714 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-11-20 10:35:09,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-20 10:35:09,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-20 10:35:09,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-20 10:35:09,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2019-11-20 10:35:09,717 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2019-11-20 10:35:09,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:35:09,717 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2019-11-20 10:35:09,717 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-20 10:35:09,717 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2019-11-20 10:35:09,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 10:35:09,718 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:35:09,718 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:35:09,930 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 10:35:09,931 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:35:09,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:35:09,931 INFO L82 PathProgramCache]: Analyzing trace with hash -645654976, now seen corresponding path program 1 times [2019-11-20 10:35:09,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 10:35:09,932 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [942233591] [2019-11-20 10:35:09,932 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/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 [2019-11-20 10:35:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:10,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 10:35:10,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:35:10,069 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 10:35:10,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:35:10,096 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 10:35:10,097 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 10:35:10,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:35:10,298 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [942233591] [2019-11-20 10:35:10,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:35:10,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2019-11-20 10:35:10,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868472724] [2019-11-20 10:35:10,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-20 10:35:10,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 10:35:10,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-20 10:35:10,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2019-11-20 10:35:10,300 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 16 states. [2019-11-20 10:35:10,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:35:10,520 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-11-20 10:35:10,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 10:35:10,521 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 18 [2019-11-20 10:35:10,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:35:10,522 INFO L225 Difference]: With dead ends: 19 [2019-11-20 10:35:10,522 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 10:35:10,522 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2019-11-20 10:35:10,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 10:35:10,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 10:35:10,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 10:35:10,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 10:35:10,523 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-11-20 10:35:10,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:35:10,524 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:35:10,524 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-20 10:35:10,524 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 10:35:10,524 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:35:10,725 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-20 10:35:10,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 10:35:10,946 INFO L444 ceAbstractionStarter]: For program point L52-1(lines 17 105) no Hoare annotation was computed. [2019-11-20 10:35:10,946 INFO L444 ceAbstractionStarter]: For program point L110-1(lines 110 114) no Hoare annotation was computed. [2019-11-20 10:35:10,947 INFO L440 ceAbstractionStarter]: 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))) [2019-11-20 10:35:10,947 INFO L444 ceAbstractionStarter]: For program point L110-3(lines 110 114) no Hoare annotation was computed. [2019-11-20 10:35:10,947 INFO L444 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2019-11-20 10:35:10,947 INFO L444 ceAbstractionStarter]: For program point L36(lines 36 37) no Hoare annotation was computed. [2019-11-20 10:35:10,947 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 10:35:10,947 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 10:35:10,947 INFO L444 ceAbstractionStarter]: For program point L86(lines 86 103) no Hoare annotation was computed. [2019-11-20 10:35:10,947 INFO L444 ceAbstractionStarter]: For program point L20-1(lines 20 24) no Hoare annotation was computed. [2019-11-20 10:35:10,947 INFO L440 ceAbstractionStarter]: 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))) [2019-11-20 10:35:10,947 INFO L444 ceAbstractionStarter]: For program point L70(lines 70 71) no Hoare annotation was computed. [2019-11-20 10:35:10,948 INFO L444 ceAbstractionStarter]: For program point L46(lines 17 105) no Hoare annotation was computed. [2019-11-20 10:35:10,948 INFO L440 ceAbstractionStarter]: 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))) [2019-11-20 10:35:10,948 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2019-11-20 10:35:10,948 INFO L444 ceAbstractionStarter]: For program point L129(lines 129 138) no Hoare annotation was computed. [2019-11-20 10:35:10,948 INFO L444 ceAbstractionStarter]: For program point L129-2(lines 129 138) no Hoare annotation was computed. [2019-11-20 10:35:10,948 INFO L444 ceAbstractionStarter]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2019-11-20 10:35:10,948 INFO L440 ceAbstractionStarter]: At program point L88-2(lines 88 92) the Hoare annotation is: false [2019-11-20 10:35:10,948 INFO L444 ceAbstractionStarter]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2019-11-20 10:35:10,948 INFO L440 ceAbstractionStarter]: At program point L47-3(lines 47 48) the Hoare annotation is: false [2019-11-20 10:35:10,948 INFO L444 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2019-11-20 10:35:10,948 INFO L440 ceAbstractionStarter]: At program point L97-2(lines 97 101) the Hoare annotation is: false [2019-11-20 10:35:10,949 INFO L444 ceAbstractionStarter]: For program point L97-3(lines 97 101) no Hoare annotation was computed. [2019-11-20 10:35:10,949 INFO L444 ceAbstractionStarter]: For program point L40(lines 40 44) no Hoare annotation was computed. [2019-11-20 10:35:10,949 INFO L444 ceAbstractionStarter]: For program point L40-1(lines 17 105) no Hoare annotation was computed. [2019-11-20 10:35:10,949 INFO L444 ceAbstractionStarter]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2019-11-20 10:35:10,949 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 10:35:10,949 INFO L444 ceAbstractionStarter]: For program point L65-3(lines 65 74) no Hoare annotation was computed. [2019-11-20 10:35:10,949 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 135) no Hoare annotation was computed. [2019-11-20 10:35:10,949 INFO L440 ceAbstractionStarter]: At program point L82-2(lines 82 85) the Hoare annotation is: false [2019-11-20 10:35:10,949 INFO L444 ceAbstractionStarter]: For program point L82-3(lines 17 105) no Hoare annotation was computed. [2019-11-20 10:35:10,949 INFO L447 ceAbstractionStarter]: At program point L140(lines 119 141) the Hoare annotation is: true [2019-11-20 10:35:10,949 INFO L444 ceAbstractionStarter]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2019-11-20 10:35:10,949 INFO L440 ceAbstractionStarter]: At program point L41-3(lines 41 42) the Hoare annotation is: false [2019-11-20 10:35:10,950 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 10:35:10,950 INFO L444 ceAbstractionStarter]: For program point L25(lines 25 29) no Hoare annotation was computed. [2019-11-20 10:35:10,950 INFO L444 ceAbstractionStarter]: For program point L58-1(lines 58 63) no Hoare annotation was computed. [2019-11-20 10:35:10,950 INFO L444 ceAbstractionStarter]: For program point L25-1(lines 17 105) no Hoare annotation was computed. [2019-11-20 10:35:10,950 INFO L444 ceAbstractionStarter]: For program point L25-2(lines 25 29) no Hoare annotation was computed. [2019-11-20 10:35:10,950 INFO L440 ceAbstractionStarter]: 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))) [2019-11-20 10:35:10,950 INFO L444 ceAbstractionStarter]: For program point L67(lines 67 73) no Hoare annotation was computed. [2019-11-20 10:35:10,951 INFO L444 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-11-20 10:35:10,951 INFO L440 ceAbstractionStarter]: At program point L67-2(lines 65 74) the Hoare annotation is: false [2019-11-20 10:35:10,951 INFO L444 ceAbstractionStarter]: For program point L76(lines 76 78) no Hoare annotation was computed. [2019-11-20 10:35:10,951 INFO L444 ceAbstractionStarter]: For program point L76-2(lines 17 105) no Hoare annotation was computed. [2019-11-20 10:35:10,951 INFO L444 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2019-11-20 10:35:10,951 INFO L444 ceAbstractionStarter]: For program point L134-2(lines 134 137) no Hoare annotation was computed. [2019-11-20 10:35:10,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:10,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:10,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:10,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:10,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:10,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:10,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:10,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:10,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:10,967 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:10,967 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:10,967 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:10,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:10,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:10,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:10,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:10,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:10,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:10,970 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:10,970 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:10,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:10,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:10,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:10,972 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:10,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:35:10 BoogieIcfgContainer [2019-11-20 10:35:10,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 10:35:10,975 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:35:10,975 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:35:10,975 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:35:10,976 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:35:01" (3/4) ... [2019-11-20 10:35:10,979 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:35:10,989 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-20 10:35:10,989 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 10:35:10,990 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 10:35:11,028 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_37052b86-34ad-4151-a220-bbfbb674bc8a/bin/uautomizer/witness.graphml [2019-11-20 10:35:11,028 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:35:11,030 INFO L168 Benchmark]: Toolchain (without parser) took 12115.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 960.4 MB in the beginning and 884.3 MB in the end (delta: 76.2 MB). Peak memory consumption was 232.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:35:11,030 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:35:11,031 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -186.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:35:11,031 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:35:11,032 INFO L168 Benchmark]: Boogie Preprocessor took 37.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:35:11,032 INFO L168 Benchmark]: RCFGBuilder took 1787.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2019-11-20 10:35:11,033 INFO L168 Benchmark]: TraceAbstraction took 9820.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 884.3 MB in the end (delta: 223.3 MB). Peak memory consumption was 223.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:35:11,033 INFO L168 Benchmark]: Witness Printer took 53.78 ms. Allocated memory is still 1.2 GB. Free memory is still 884.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:35:11,036 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 369.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -186.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1787.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9820.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 884.3 MB in the end (delta: 223.3 MB). Peak memory consumption was 223.3 MB. Max. memory is 11.5 GB. * Witness Printer took 53.78 ms. Allocated memory is still 1.2 GB. Free memory is still 884.3 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 [2019-11-20 10:35:11,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:11,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:11,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:11,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:11,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:11,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:11,049 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:11,049 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 [2019-11-20 10:35:11,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:11,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:11,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:11,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:11,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:11,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:11,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:11,052 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 [2019-11-20 10:35:11,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:11,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:11,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:11,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:11,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:11,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:11,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-11-20 10:35:11,055 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: 9.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, 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, 7.3s 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, 0.5s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 16 QuantifiedInterpolants, 9818 SizeOfPredicates, 28 NumberOfNonLiveVariables, 222 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...