./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1052c.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1052c.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/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 93969ab48cbc6136b5ad0701aa11c46dc35b2390 ...................................................................................................................................................................................................................................................................................... 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_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1052c.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/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 93969ab48cbc6136b5ad0701aa11c46dc35b2390 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:36:15,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:36:15,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:36:15,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:36:15,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:36:15,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:36:15,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:36:15,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:36:15,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:36:15,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:36:15,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:36:15,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:36:15,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:36:15,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:36:15,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:36:15,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:36:15,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:36:15,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:36:15,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:36:15,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:36:15,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:36:15,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:36:15,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:36:15,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:36:15,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:36:15,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:36:15,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:36:15,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:36:15,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:36:15,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:36:15,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:36:15,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:36:15,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:36:15,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:36:15,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:36:15,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:36:15,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:36:15,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:36:15,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:36:15,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:36:15,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:36:15,538 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 10:36:15,551 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:36:15,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:36:15,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:36:15,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:36:15,552 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:36:15,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:36:15,553 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:36:15,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:36:15,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:36:15,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:36:15,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:36:15,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:36:15,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:36:15,554 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:36:15,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:36:15,555 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:36:15,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:36:15,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:36:15,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:36:15,556 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:36:15,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:36:15,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:36:15,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:36:15,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:36:15,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:36:15,557 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:36:15,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:36:15,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:36:15,557 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:36:15,557 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_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/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 -> 93969ab48cbc6136b5ad0701aa11c46dc35b2390 [2019-12-07 10:36:15,670 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:36:15,680 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:36:15,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:36:15,684 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:36:15,684 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:36:15,684 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1052c.c [2019-12-07 10:36:15,720 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/data/5aea8167c/c69f3cb2f8bc4722a3683ca7808fd9fa/FLAG49f3f0035 [2019-12-07 10:36:16,138 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:36:16,139 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/sv-benchmarks/c/float-newlib/float_req_bl_1052c.c [2019-12-07 10:36:16,144 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/data/5aea8167c/c69f3cb2f8bc4722a3683ca7808fd9fa/FLAG49f3f0035 [2019-12-07 10:36:16,153 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/data/5aea8167c/c69f3cb2f8bc4722a3683ca7808fd9fa [2019-12-07 10:36:16,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:36:16,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:36:16,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:36:16,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:36:16,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:36:16,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:36:16" (1/1) ... [2019-12-07 10:36:16,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17df66d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:16, skipping insertion in model container [2019-12-07 10:36:16,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:36:16" (1/1) ... [2019-12-07 10:36:16,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:36:16,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:36:16,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:36:16,328 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:36:16,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:36:16,364 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:36:16,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:16 WrapperNode [2019-12-07 10:36:16,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:36:16,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:36:16,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:36:16,366 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:36:16,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:16" (1/1) ... [2019-12-07 10:36:16,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:16" (1/1) ... [2019-12-07 10:36:16,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:36:16,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:36:16,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:36:16,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:36:16,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:16" (1/1) ... [2019-12-07 10:36:16,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:16" (1/1) ... [2019-12-07 10:36:16,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:16" (1/1) ... [2019-12-07 10:36:16,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:16" (1/1) ... [2019-12-07 10:36:16,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:16" (1/1) ... [2019-12-07 10:36:16,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:16" (1/1) ... [2019-12-07 10:36:16,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:16" (1/1) ... [2019-12-07 10:36:16,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:36:16,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:36:16,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:36:16,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:36:16,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:36:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 10:36:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 10:36:16,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 10:36:16,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:36:16,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:36:16,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 10:36:16,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:36:16,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:36:16,639 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:36:16,639 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-12-07 10:36:16,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:36:16 BoogieIcfgContainer [2019-12-07 10:36:16,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:36:16,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:36:16,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:36:16,643 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:36:16,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:36:16" (1/3) ... [2019-12-07 10:36:16,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@571c315d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:36:16, skipping insertion in model container [2019-12-07 10:36:16,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:16" (2/3) ... [2019-12-07 10:36:16,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@571c315d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:36:16, skipping insertion in model container [2019-12-07 10:36:16,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:36:16" (3/3) ... [2019-12-07 10:36:16,645 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1052c.c [2019-12-07 10:36:16,651 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:36:16,655 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 10:36:16,662 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 10:36:16,677 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:36:16,677 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:36:16,677 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:36:16,678 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:36:16,678 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:36:16,678 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:36:16,678 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:36:16,678 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:36:16,689 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-12-07 10:36:16,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 10:36:16,693 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:36:16,693 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:36:16,694 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:36:16,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:36:16,697 INFO L82 PathProgramCache]: Analyzing trace with hash -2022248449, now seen corresponding path program 1 times [2019-12-07 10:36:16,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:36:16,703 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123978905] [2019-12-07 10:36:16,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:36:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:36:16,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:36:16,783 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123978905] [2019-12-07 10:36:16,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:36:16,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:36:16,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508750725] [2019-12-07 10:36:16,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:36:16,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:36:16,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:36:16,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:36:16,797 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-12-07 10:36:16,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:36:16,809 INFO L93 Difference]: Finished difference Result 58 states and 90 transitions. [2019-12-07 10:36:16,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:36:16,810 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 10:36:16,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:36:16,817 INFO L225 Difference]: With dead ends: 58 [2019-12-07 10:36:16,817 INFO L226 Difference]: Without dead ends: 27 [2019-12-07 10:36:16,819 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:36:16,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-12-07 10:36:16,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-12-07 10:36:16,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-12-07 10:36:16,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2019-12-07 10:36:16,842 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10 [2019-12-07 10:36:16,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:36:16,842 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2019-12-07 10:36:16,842 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:36:16,842 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2019-12-07 10:36:16,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 10:36:16,843 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:36:16,843 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:36:16,843 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:36:16,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:36:16,843 INFO L82 PathProgramCache]: Analyzing trace with hash -62588350, now seen corresponding path program 1 times [2019-12-07 10:36:16,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:36:16,844 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300245695] [2019-12-07 10:36:16,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:36:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:36:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:36:16,913 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:36:16,913 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 10:36:16,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:36:16 BoogieIcfgContainer [2019-12-07 10:36:16,933 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:36:16,933 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:36:16,933 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:36:16,934 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:36:16,934 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:36:16" (3/4) ... [2019-12-07 10:36:16,936 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 10:36:16,936 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:36:16,938 INFO L168 Benchmark]: Toolchain (without parser) took 781.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 939.4 MB in the beginning and 1.0 GB in the end (delta: -85.3 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:36:16,938 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:36:16,939 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -146.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:36:16,939 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:36:16,939 INFO L168 Benchmark]: Boogie Preprocessor took 19.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:36:16,940 INFO L168 Benchmark]: RCFGBuilder took 228.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:36:16,940 INFO L168 Benchmark]: TraceAbstraction took 292.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2019-12-07 10:36:16,940 INFO L168 Benchmark]: Witness Printer took 2.96 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:36:16,943 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 208.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -146.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 228.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 292.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.96 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 80]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of someUnaryFLOAToperation at line 75, overapproximation of bitwiseAnd at line 21. Possible FailurePath: [L11] static const float huge_floor = 1.0e30; VAL [huge_floor=1000000000000000000000000000000] [L75] float x = -0.0f; [L14] __int32_t i0, j0; [L15] __uint32_t i, ix; VAL [huge_floor=1000000000000000000000000000000] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (i0) = gf_u.word [L21] ix = (i0 & 0x7fffffff) [L22] j0 = (ix >> 23) - 0x7f VAL [huge_floor=1000000000000000000000000000000] [L23] COND FALSE !(j0 < 23) VAL [huge_floor=1000000000000000000000000000000] [L43] COND FALSE !(!((ix) < 0x7f800000L)) [L46] return x; VAL [huge_floor=1000000000000000000000000000000] [L76] float res = floor_float(x); [L79] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [huge_floor=1000000000000000000000000000000] [L79] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L80] __VERIFIER_error() VAL [huge_floor=1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 39 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=30occurred 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 10:36:18,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:36:18,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:36:18,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:36:18,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:36:18,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:36:18,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:36:18,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:36:18,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:36:18,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:36:18,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:36:18,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:36:18,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:36:18,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:36:18,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:36:18,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:36:18,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:36:18,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:36:18,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:36:18,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:36:18,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:36:18,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:36:18,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:36:18,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:36:18,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:36:18,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:36:18,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:36:18,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:36:18,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:36:18,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:36:18,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:36:18,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:36:18,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:36:18,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:36:18,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:36:18,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:36:18,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:36:18,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:36:18,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:36:18,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:36:18,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:36:18,334 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 10:36:18,347 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:36:18,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:36:18,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:36:18,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:36:18,349 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:36:18,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:36:18,349 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:36:18,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:36:18,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:36:18,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:36:18,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:36:18,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:36:18,350 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:36:18,350 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:36:18,350 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:36:18,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:36:18,351 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:36:18,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:36:18,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:36:18,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:36:18,351 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:36:18,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:36:18,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:36:18,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:36:18,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:36:18,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:36:18,352 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 10:36:18,352 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:36:18,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:36:18,352 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:36:18,352 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:36:18,353 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_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/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 -> 93969ab48cbc6136b5ad0701aa11c46dc35b2390 [2019-12-07 10:36:18,525 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:36:18,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:36:18,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:36:18,539 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:36:18,539 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:36:18,540 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1052c.c [2019-12-07 10:36:18,586 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/data/1be72df14/031accd4dcb54fac918f697f65fb0ff8/FLAG76e7acad5 [2019-12-07 10:36:19,003 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:36:19,004 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/sv-benchmarks/c/float-newlib/float_req_bl_1052c.c [2019-12-07 10:36:19,009 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/data/1be72df14/031accd4dcb54fac918f697f65fb0ff8/FLAG76e7acad5 [2019-12-07 10:36:19,376 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/data/1be72df14/031accd4dcb54fac918f697f65fb0ff8 [2019-12-07 10:36:19,382 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:36:19,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:36:19,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:36:19,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:36:19,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:36:19,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:36:19" (1/1) ... [2019-12-07 10:36:19,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bc6373f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:19, skipping insertion in model container [2019-12-07 10:36:19,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:36:19" (1/1) ... [2019-12-07 10:36:19,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:36:19,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:36:19,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:36:19,541 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:36:19,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:36:19,583 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:36:19,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:19 WrapperNode [2019-12-07 10:36:19,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:36:19,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:36:19,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:36:19,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:36:19,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:19" (1/1) ... [2019-12-07 10:36:19,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:19" (1/1) ... [2019-12-07 10:36:19,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:36:19,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:36:19,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:36:19,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:36:19,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:19" (1/1) ... [2019-12-07 10:36:19,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:19" (1/1) ... [2019-12-07 10:36:19,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:19" (1/1) ... [2019-12-07 10:36:19,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:19" (1/1) ... [2019-12-07 10:36:19,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:19" (1/1) ... [2019-12-07 10:36:19,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:19" (1/1) ... [2019-12-07 10:36:19,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:19" (1/1) ... [2019-12-07 10:36:19,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:36:19,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:36:19,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:36:19,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:36:19,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:36:19,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:36:19,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 10:36:19,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 10:36:19,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:36:19,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:36:19,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 10:36:19,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 10:36:19,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:36:20,102 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:36:20,102 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-12-07 10:36:20,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:36:20 BoogieIcfgContainer [2019-12-07 10:36:20,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:36:20,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:36:20,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:36:20,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:36:20,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:36:19" (1/3) ... [2019-12-07 10:36:20,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb58faa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:36:20, skipping insertion in model container [2019-12-07 10:36:20,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:36:19" (2/3) ... [2019-12-07 10:36:20,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb58faa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:36:20, skipping insertion in model container [2019-12-07 10:36:20,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:36:20" (3/3) ... [2019-12-07 10:36:20,107 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1052c.c [2019-12-07 10:36:20,113 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:36:20,118 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 10:36:20,125 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 10:36:20,139 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:36:20,139 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:36:20,139 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:36:20,139 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:36:20,139 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:36:20,139 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:36:20,140 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:36:20,140 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:36:20,148 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-12-07 10:36:20,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 10:36:20,152 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:36:20,153 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:36:20,153 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:36:20,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:36:20,156 INFO L82 PathProgramCache]: Analyzing trace with hash -2022248449, now seen corresponding path program 1 times [2019-12-07 10:36:20,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 10:36:20,164 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1910740990] [2019-12-07 10:36:20,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 10:36:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:36:20,235 INFO L264 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 10:36:20,238 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:36:20,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:36:20,247 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:36:20,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:36:20,250 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1910740990] [2019-12-07 10:36:20,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:36:20,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 10:36:20,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500220724] [2019-12-07 10:36:20,254 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:36:20,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 10:36:20,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:36:20,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:36:20,264 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-12-07 10:36:20,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:36:20,276 INFO L93 Difference]: Finished difference Result 58 states and 90 transitions. [2019-12-07 10:36:20,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:36:20,277 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 10:36:20,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:36:20,284 INFO L225 Difference]: With dead ends: 58 [2019-12-07 10:36:20,284 INFO L226 Difference]: Without dead ends: 27 [2019-12-07 10:36:20,286 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:36:20,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-12-07 10:36:20,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-12-07 10:36:20,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-12-07 10:36:20,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2019-12-07 10:36:20,310 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10 [2019-12-07 10:36:20,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:36:20,310 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2019-12-07 10:36:20,310 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:36:20,310 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2019-12-07 10:36:20,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 10:36:20,311 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:36:20,311 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:36:20,512 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 10:36:20,513 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:36:20,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:36:20,514 INFO L82 PathProgramCache]: Analyzing trace with hash -62588350, now seen corresponding path program 1 times [2019-12-07 10:36:20,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 10:36:20,516 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1574714809] [2019-12-07 10:36:20,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 10:36:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:36:20,620 INFO L264 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 10:36:20,621 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:36:20,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:36:20,669 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:36:20,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:36:20,731 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1574714809] [2019-12-07 10:36:20,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:36:20,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 10:36:20,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131083925] [2019-12-07 10:36:20,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 10:36:20,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 10:36:20,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 10:36:20,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 10:36:20,734 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. Second operand 8 states. [2019-12-07 10:36:20,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:36:20,939 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2019-12-07 10:36:20,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 10:36:20,940 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-12-07 10:36:20,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:36:20,941 INFO L225 Difference]: With dead ends: 51 [2019-12-07 10:36:20,941 INFO L226 Difference]: Without dead ends: 34 [2019-12-07 10:36:20,942 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2019-12-07 10:36:20,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-12-07 10:36:20,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 22. [2019-12-07 10:36:20,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-12-07 10:36:20,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2019-12-07 10:36:20,946 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 11 [2019-12-07 10:36:20,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:36:20,946 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2019-12-07 10:36:20,946 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 10:36:20,946 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2019-12-07 10:36:20,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 10:36:20,947 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:36:20,947 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:36:21,148 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 10:36:21,148 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:36:21,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:36:21,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1612307429, now seen corresponding path program 1 times [2019-12-07 10:36:21,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 10:36:21,152 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [682460857] [2019-12-07 10:36:21,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 10:36:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:36:21,286 INFO L264 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 10:36:21,288 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:36:21,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:36:21,325 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:36:21,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:36:21,657 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [682460857] [2019-12-07 10:36:21,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:36:21,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-12-07 10:36:21,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092701684] [2019-12-07 10:36:21,658 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 10:36:21,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 10:36:21,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 10:36:21,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 10:36:21,659 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand 6 states. [2019-12-07 10:36:21,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:36:21,798 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2019-12-07 10:36:21,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 10:36:21,802 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-12-07 10:36:21,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:36:21,803 INFO L225 Difference]: With dead ends: 34 [2019-12-07 10:36:21,803 INFO L226 Difference]: Without dead ends: 22 [2019-12-07 10:36:21,803 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 10:36:21,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-12-07 10:36:21,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-12-07 10:36:21,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-12-07 10:36:21,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2019-12-07 10:36:21,807 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 15 [2019-12-07 10:36:21,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:36:21,807 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2019-12-07 10:36:21,807 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 10:36:21,808 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2019-12-07 10:36:21,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 10:36:21,808 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:36:21,808 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:36:22,009 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 10:36:22,009 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:36:22,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:36:22,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1572128049, now seen corresponding path program 1 times [2019-12-07 10:36:22,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 10:36:22,013 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [779450197] [2019-12-07 10:36:22,013 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 10:36:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:36:22,137 INFO L264 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 10:36:22,139 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:36:22,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:36:22,176 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:36:22,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:36:22,210 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [779450197] [2019-12-07 10:36:22,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:36:22,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 10:36:22,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447663016] [2019-12-07 10:36:22,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 10:36:22,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 10:36:22,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 10:36:22,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-12-07 10:36:22,213 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 8 states. [2019-12-07 10:36:22,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:36:22,277 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2019-12-07 10:36:22,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:36:22,278 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-12-07 10:36:22,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:36:22,279 INFO L225 Difference]: With dead ends: 34 [2019-12-07 10:36:22,279 INFO L226 Difference]: Without dead ends: 22 [2019-12-07 10:36:22,279 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-12-07 10:36:22,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-12-07 10:36:22,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-12-07 10:36:22,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-12-07 10:36:22,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2019-12-07 10:36:22,282 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 17 [2019-12-07 10:36:22,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:36:22,282 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2019-12-07 10:36:22,283 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 10:36:22,283 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2019-12-07 10:36:22,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 10:36:22,283 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:36:22,283 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:36:22,484 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 10:36:22,485 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:36:22,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:36:22,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1913492621, now seen corresponding path program 1 times [2019-12-07 10:36:22,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 10:36:22,487 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1473971346] [2019-12-07 10:36:22,488 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 10:36:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:36:22,634 INFO L264 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 10:36:22,636 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:36:22,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:36:22,668 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:36:22,669 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:36:22,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:36:22,717 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1473971346] [2019-12-07 10:36:22,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:36:22,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-12-07 10:36:22,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486567369] [2019-12-07 10:36:22,718 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 10:36:22,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 10:36:22,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 10:36:22,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 10:36:22,719 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 9 states. [2019-12-07 10:36:22,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:36:22,822 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2019-12-07 10:36:22,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 10:36:22,822 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2019-12-07 10:36:22,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:36:22,823 INFO L225 Difference]: With dead ends: 25 [2019-12-07 10:36:22,823 INFO L226 Difference]: Without dead ends: 22 [2019-12-07 10:36:22,823 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-12-07 10:36:22,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-12-07 10:36:22,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-12-07 10:36:22,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-12-07 10:36:22,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions. [2019-12-07 10:36:22,826 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 17 [2019-12-07 10:36:22,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:36:22,827 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 21 transitions. [2019-12-07 10:36:22,827 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 10:36:22,827 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2019-12-07 10:36:22,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 10:36:22,827 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:36:22,827 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:36:23,028 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 10:36:23,029 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:36:23,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:36:23,030 INFO L82 PathProgramCache]: Analyzing trace with hash 805440418, now seen corresponding path program 1 times [2019-12-07 10:36:23,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 10:36:23,031 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [827909219] [2019-12-07 10:36:23,032 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 10:36:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:36:23,136 INFO L264 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 18 conjunts are in the unsatisfiable core [2019-12-07 10:36:23,138 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:36:23,183 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:36:23,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:36:23,209 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:36:23,210 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:36:23,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:36:23,448 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [827909219] [2019-12-07 10:36:23,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:36:23,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2019-12-07 10:36:23,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612052160] [2019-12-07 10:36:23,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-12-07 10:36:23,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 10:36:23,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-12-07 10:36:23,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2019-12-07 10:36:23,450 INFO L87 Difference]: Start difference. First operand 22 states and 21 transitions. Second operand 16 states. [2019-12-07 10:36:23,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:36:23,723 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-12-07 10:36:23,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 10:36:23,724 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 21 [2019-12-07 10:36:23,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:36:23,724 INFO L225 Difference]: With dead ends: 22 [2019-12-07 10:36:23,724 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 10:36:23,725 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2019-12-07 10:36:23,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 10:36:23,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 10:36:23,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 10:36:23,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 10:36:23,725 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2019-12-07 10:36:23,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:36:23,725 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:36:23,725 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-12-07 10:36:23,725 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:36:23,726 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 10:36:23,926 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 10:36:23,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 10:36:24,111 INFO L246 CegarLoopResult]: For program point L23(lines 23 47) no Hoare annotation was computed. [2019-12-07 10:36:24,111 INFO L246 CegarLoopResult]: For program point L48(lines 48 52) no Hoare annotation was computed. [2019-12-07 10:36:24,112 INFO L246 CegarLoopResult]: For program point L48-1(lines 13 54) no Hoare annotation was computed. [2019-12-07 10:36:24,112 INFO L246 CegarLoopResult]: For program point L48-2(lines 48 52) no Hoare annotation was computed. [2019-12-07 10:36:24,112 INFO L246 CegarLoopResult]: For program point L36(lines 36 40) no Hoare annotation was computed. [2019-12-07 10:36:24,112 INFO L242 CegarLoopResult]: At program point L65(lines 56 66) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_floor~0) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) .cse0) (exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_floor_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.neg (_ +zero 8 24))))) (= (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)) .cse0) |ULTIMATE.start_main_#t~short8| (= ULTIMATE.start_main_~res~0 .cse0) (= |ULTIMATE.start_floor_float_#res| .cse0) (= ULTIMATE.start_floor_float_~ix~0 (_ bv0 32)) (= (_ bv0 32) (bvadd |ULTIMATE.start___signbit_float_#res| (_ bv4294967295 32))) (= ULTIMATE.start___signbit_float_~x .cse0) (= ULTIMATE.start_floor_float_~x .cse0) (= currentRoundingMode roundNearestTiesToEven))) [2019-12-07 10:36:24,112 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 10:36:24,112 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 10:36:24,112 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 10:36:24,113 INFO L246 CegarLoopResult]: For program point L28(lines 28 30) no Hoare annotation was computed. [2019-12-07 10:36:24,113 INFO L246 CegarLoopResult]: For program point L24(lines 24 41) no Hoare annotation was computed. [2019-12-07 10:36:24,113 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 80) no Hoare annotation was computed. [2019-12-07 10:36:24,113 INFO L242 CegarLoopResult]: At program point L53(lines 13 54) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_floor~0) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) .cse0) (exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_floor_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.neg (_ +zero 8 24))))) (= |ULTIMATE.start_floor_float_#res| .cse0) (= ULTIMATE.start_floor_float_~ix~0 (_ bv0 32)) (= ULTIMATE.start_floor_float_~x .cse0) (= currentRoundingMode roundNearestTiesToEven))) [2019-12-07 10:36:24,113 INFO L246 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2019-12-07 10:36:24,113 INFO L242 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_floor~0) (= ULTIMATE.start_floor_float_~x (fp.neg (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 10:36:24,113 INFO L246 CegarLoopResult]: For program point L16-3(lines 16 20) no Hoare annotation was computed. [2019-12-07 10:36:24,113 INFO L246 CegarLoopResult]: For program point L37(lines 37 38) no Hoare annotation was computed. [2019-12-07 10:36:24,114 INFO L246 CegarLoopResult]: For program point L37-2(lines 37 38) no Hoare annotation was computed. [2019-12-07 10:36:24,114 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 10:36:24,114 INFO L246 CegarLoopResult]: For program point L25(lines 25 31) no Hoare annotation was computed. [2019-12-07 10:36:24,114 INFO L246 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2019-12-07 10:36:24,114 INFO L246 CegarLoopResult]: For program point L79-2(lines 79 82) no Hoare annotation was computed. [2019-12-07 10:36:24,114 INFO L246 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-12-07 10:36:24,114 INFO L246 CegarLoopResult]: For program point L26(lines 26 30) no Hoare annotation was computed. [2019-12-07 10:36:24,114 INFO L246 CegarLoopResult]: For program point L59-1(lines 59 63) no Hoare annotation was computed. [2019-12-07 10:36:24,114 INFO L242 CegarLoopResult]: At program point L59-2(lines 59 63) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_floor~0) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) .cse0) (exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_floor_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.neg (_ +zero 8 24))))) |ULTIMATE.start_main_#t~short8| (= ULTIMATE.start_main_~res~0 .cse0) (= |ULTIMATE.start_floor_float_#res| .cse0) (= ULTIMATE.start_floor_float_~ix~0 (_ bv0 32)) (= ULTIMATE.start___signbit_float_~x .cse0) (= ULTIMATE.start_floor_float_~x .cse0) (= currentRoundingMode roundNearestTiesToEven))) [2019-12-07 10:36:24,115 INFO L246 CegarLoopResult]: For program point L59-3(lines 59 63) no Hoare annotation was computed. [2019-12-07 10:36:24,115 INFO L249 CegarLoopResult]: At program point L84(lines 68 85) the Hoare annotation is: true [2019-12-07 10:36:24,115 INFO L246 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2019-12-07 10:36:24,115 INFO L246 CegarLoopResult]: For program point L43(lines 43 46) no Hoare annotation was computed. [2019-12-07 10:36:24,120 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,121 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,121 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,121 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:36:24,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,127 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,127 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,127 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,127 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,128 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:36:24,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,130 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:36:24,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:36:24,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,134 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:36:24,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,135 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:36:24,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,136 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:36:24,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,137 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,138 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,138 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,138 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,138 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:36:24,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:36:24 BoogieIcfgContainer [2019-12-07 10:36:24,141 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:36:24,141 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:36:24,141 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:36:24,141 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:36:24,141 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:36:20" (3/4) ... [2019-12-07 10:36:24,144 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 10:36:24,151 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-12-07 10:36:24,152 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-07 10:36:24,152 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:36:24,170 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_floor && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ix == 0bv32) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-12-07 10:36:24,171 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_floor && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && res == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ix == 0bv32) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-12-07 10:36:24,171 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_floor && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && res == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ix == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-12-07 10:36:24,189 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7baa3a06-ce9f-42e4-b07e-2e1c62d27538/bin/uautomizer/witness.graphml [2019-12-07 10:36:24,189 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:36:24,190 INFO L168 Benchmark]: Toolchain (without parser) took 4807.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 951.0 MB in the beginning and 814.4 MB in the end (delta: 136.6 MB). Peak memory consumption was 252.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:36:24,190 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:36:24,191 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.07 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 934.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:36:24,191 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 934.9 MB in the beginning and 1.1 GB in the end (delta: -164.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:36:24,191 INFO L168 Benchmark]: Boogie Preprocessor took 23.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:36:24,192 INFO L168 Benchmark]: RCFGBuilder took 434.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:36:24,192 INFO L168 Benchmark]: TraceAbstraction took 4037.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 821.0 MB in the end (delta: 247.2 MB). Peak memory consumption was 247.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:36:24,192 INFO L168 Benchmark]: Witness Printer took 48.09 ms. Allocated memory is still 1.1 GB. Free memory was 821.0 MB in the beginning and 814.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 10:36:24,194 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 199.07 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 934.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 934.9 MB in the beginning and 1.1 GB in the end (delta: -164.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 434.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4037.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 821.0 MB in the end (delta: 247.2 MB). Peak memory consumption was 247.2 MB. Max. memory is 11.5 GB. * Witness Printer took 48.09 ms. Allocated memory is still 1.1 GB. Free memory was 821.0 MB in the beginning and 814.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 80]: 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: 13]: Loop Invariant [2019-12-07 10:36:24,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,200 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,200 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:36:24,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,202 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:36:24,202 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,202 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,202 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_floor && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ix == 0bv32) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 56]: Loop Invariant [2019-12-07 10:36:24,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,203 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:36:24,203 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,204 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,204 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,205 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,205 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,205 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:36:24,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_floor && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && res == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ix == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 16]: Loop Invariant [2019-12-07 10:36:24,206 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:36:24,206 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,206 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,206 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:36:24,207 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,207 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,207 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_floor && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 59]: Loop Invariant [2019-12-07 10:36:24,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:36:24,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 10:36:24,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:36:24,210 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,210 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:36:24,210 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_floor && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && res == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ix == 0bv32) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Result: SAFE, OverallTime: 3.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 111 SDtfs, 348 SDslu, 118 SDs, 0 SdLazy, 135 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 127 SyntacticMatches, 6 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 6 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 208 HoareAnnotationTreeSize, 5 FomulaSimplifications, 204 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 170 ConstructedInterpolants, 22 QuantifiedInterpolants, 18472 SizeOfPredicates, 40 NumberOfNonLiveVariables, 241 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...