./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0921.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0921.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/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 183c064a530646119ada233c15fa830a0c2bc1a1 ..................................................................................................................................................................................................................................................................................................... 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_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0921.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/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 183c064a530646119ada233c15fa830a0c2bc1a1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:27:42,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:27:42,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:27:42,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:27:42,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:27:42,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:27:42,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:27:42,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:27:42,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:27:42,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:27:42,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:27:42,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:27:42,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:27:42,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:27:42,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:27:42,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:27:42,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:27:42,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:27:42,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:27:42,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:27:42,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:27:42,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:27:42,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:27:42,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:27:42,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:27:42,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:27:42,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:27:42,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:27:42,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:27:42,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:27:42,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:27:42,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:27:42,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:27:42,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:27:42,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:27:42,387 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:27:42,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:27:42,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:27:42,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:27:42,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:27:42,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:27:42,390 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 00:27:42,414 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:27:42,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:27:42,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:27:42,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:27:42,416 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:27:42,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:27:42,417 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:27:42,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:27:42,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:27:42,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:27:42,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:27:42,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:27:42,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:27:42,418 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:27:42,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:27:42,418 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:27:42,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:27:42,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:27:42,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:27:42,419 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:27:42,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:27:42,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:27:42,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:27:42,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:27:42,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:27:42,431 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:27:42,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:27:42,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:27:42,431 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_8e1d553d-8a5e-429d-915b-4ca023c3d74e/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 -> 183c064a530646119ada233c15fa830a0c2bc1a1 [2019-11-16 00:27:42,462 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:27:42,472 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:27:42,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:27:42,477 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:27:42,477 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:27:42,478 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0921.c [2019-11-16 00:27:42,538 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/data/827d4fc32/5bbf2dadefab484f85f5a6f87db5d026/FLAG37d01f103 [2019-11-16 00:27:42,962 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:27:42,963 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/sv-benchmarks/c/float-newlib/double_req_bl_0921.c [2019-11-16 00:27:42,970 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/data/827d4fc32/5bbf2dadefab484f85f5a6f87db5d026/FLAG37d01f103 [2019-11-16 00:27:42,983 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/data/827d4fc32/5bbf2dadefab484f85f5a6f87db5d026 [2019-11-16 00:27:42,985 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:27:42,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:27:42,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:27:42,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:27:42,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:27:42,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:27:42" (1/1) ... [2019-11-16 00:27:42,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@372ca6cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:42, skipping insertion in model container [2019-11-16 00:27:42,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:27:42" (1/1) ... [2019-11-16 00:27:43,002 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:27:43,023 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:27:43,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:27:43,297 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:27:43,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:27:43,359 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:27:43,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:43 WrapperNode [2019-11-16 00:27:43,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:27:43,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:27:43,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:27:43,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:27:43,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:43" (1/1) ... [2019-11-16 00:27:43,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:43" (1/1) ... [2019-11-16 00:27:43,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:27:43,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:27:43,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:27:43,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:27:43,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:43" (1/1) ... [2019-11-16 00:27:43,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:43" (1/1) ... [2019-11-16 00:27:43,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:43" (1/1) ... [2019-11-16 00:27:43,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:43" (1/1) ... [2019-11-16 00:27:43,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:43" (1/1) ... [2019-11-16 00:27:43,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:43" (1/1) ... [2019-11-16 00:27:43,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:43" (1/1) ... [2019-11-16 00:27:43,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:27:43,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:27:43,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:27:43,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:27:43,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:27:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:27:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-16 00:27:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-16 00:27:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-16 00:27:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:27:43,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:27:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-16 00:27:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:27:43,952 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:27:43,953 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-16 00:27:43,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:27:43 BoogieIcfgContainer [2019-11-16 00:27:43,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:27:43,955 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:27:43,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:27:43,958 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:27:43,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:27:42" (1/3) ... [2019-11-16 00:27:43,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d0887dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:27:43, skipping insertion in model container [2019-11-16 00:27:43,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:43" (2/3) ... [2019-11-16 00:27:43,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d0887dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:27:43, skipping insertion in model container [2019-11-16 00:27:43,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:27:43" (3/3) ... [2019-11-16 00:27:43,962 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0921.c [2019-11-16 00:27:43,972 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:27:43,979 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-16 00:27:43,989 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-16 00:27:44,010 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:27:44,011 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:27:44,011 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:27:44,011 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:27:44,011 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:27:44,011 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:27:44,011 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:27:44,011 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:27:44,023 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-11-16 00:27:44,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-16 00:27:44,030 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:27:44,030 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:27:44,032 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:27:44,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:27:44,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1030195787, now seen corresponding path program 1 times [2019-11-16 00:27:44,045 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:27:44,045 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77797614] [2019-11-16 00:27:44,046 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:27:44,046 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:27:44,046 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:27:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:27:44,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:27:44,146 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77797614] [2019-11-16 00:27:44,146 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:27:44,146 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:27:44,147 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972869030] [2019-11-16 00:27:44,150 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-16 00:27:44,150 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:27:44,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-16 00:27:44,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-16 00:27:44,163 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2019-11-16 00:27:44,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:27:44,177 INFO L93 Difference]: Finished difference Result 56 states and 90 transitions. [2019-11-16 00:27:44,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-16 00:27:44,179 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-16 00:27:44,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:27:44,188 INFO L225 Difference]: With dead ends: 56 [2019-11-16 00:27:44,189 INFO L226 Difference]: Without dead ends: 26 [2019-11-16 00:27:44,191 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-16 00:27:44,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-16 00:27:44,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-11-16 00:27:44,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-16 00:27:44,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2019-11-16 00:27:44,222 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 36 transitions. Word has length 10 [2019-11-16 00:27:44,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:27:44,222 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 36 transitions. [2019-11-16 00:27:44,223 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-16 00:27:44,223 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2019-11-16 00:27:44,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-16 00:27:44,223 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:27:44,223 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:27:44,224 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:27:44,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:27:44,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1305111410, now seen corresponding path program 1 times [2019-11-16 00:27:44,224 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:27:44,225 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615283083] [2019-11-16 00:27:44,225 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:27:44,225 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:27:44,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:27:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:27:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:27:44,322 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:27:44,323 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-16 00:27:44,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:27:44 BoogieIcfgContainer [2019-11-16 00:27:44,358 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:27:44,359 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:27:44,359 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:27:44,359 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:27:44,360 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:27:43" (3/4) ... [2019-11-16 00:27:44,363 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-16 00:27:44,363 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:27:44,365 INFO L168 Benchmark]: Toolchain (without parser) took 1377.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -126.0 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:27:44,366 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:27:44,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -182.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:27:44,367 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:27:44,368 INFO L168 Benchmark]: Boogie Preprocessor took 47.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:27:44,368 INFO L168 Benchmark]: RCFGBuilder took 496.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:27:44,369 INFO L168 Benchmark]: TraceAbstraction took 403.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2019-11-16 00:27:44,369 INFO L168 Benchmark]: Witness Printer took 4.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:27:44,372 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 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 372.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -182.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 496.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 403.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 140]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of bitwiseOr at line 59, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60. Possible FailurePath: [L32-L41] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L43] static const double zero = 0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L135] double x = 0.0 / 0.0; [L46] double hfsq, f, s, z, R, w, t1, t2, dk; [L47] __int32_t k, hx, i, j; [L48] __uint32_t lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L51] ieee_double_shape_type ew_u; [L52] ew_u.value = (x) [L53] EXPR ew_u.parts.msw [L53] (hx) = ew_u.parts.msw [L54] EXPR ew_u.parts.lsw [L54] (lx) = ew_u.parts.lsw [L57] k = 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L58] COND TRUE hx < 0x00100000 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L59] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L60] return -two54_log / zero; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L136] double res = __ieee754_log(x); [L127] return x != x; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L139] COND TRUE !isnan_double(res) [L140] __VERIFIER_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, 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=29occurred 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 0.1.24-cad4683 [2019-11-16 00:27:46,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:27:46,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:27:46,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:27:46,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:27:46,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:27:46,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:27:46,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:27:46,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:27:46,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:27:46,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:27:46,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:27:46,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:27:46,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:27:46,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:27:46,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:27:46,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:27:46,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:27:46,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:27:46,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:27:46,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:27:46,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:27:46,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:27:46,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:27:46,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:27:46,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:27:46,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:27:46,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:27:46,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:27:46,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:27:46,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:27:46,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:27:46,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:27:46,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:27:46,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:27:46,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:27:46,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:27:46,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:27:46,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:27:46,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:27:46,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:27:46,827 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-16 00:27:46,856 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:27:46,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:27:46,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:27:46,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:27:46,869 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:27:46,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:27:46,869 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:27:46,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:27:46,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:27:46,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:27:46,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:27:46,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:27:46,871 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-16 00:27:46,871 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-16 00:27:46,871 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:27:46,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:27:46,871 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:27:46,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:27:46,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:27:46,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:27:46,872 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:27:46,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:27:46,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:27:46,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:27:46,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:27:46,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:27:46,874 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-16 00:27:46,874 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-16 00:27:46,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:27:46,874 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 00:27:46,874 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_8e1d553d-8a5e-429d-915b-4ca023c3d74e/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 -> 183c064a530646119ada233c15fa830a0c2bc1a1 [2019-11-16 00:27:46,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:27:46,915 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:27:46,918 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:27:46,920 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:27:46,921 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:27:46,921 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0921.c [2019-11-16 00:27:46,974 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/data/92e734a9c/dab93ee0924941aca34e35e9569a11d9/FLAG4700fc550 [2019-11-16 00:27:47,415 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:27:47,416 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/sv-benchmarks/c/float-newlib/double_req_bl_0921.c [2019-11-16 00:27:47,424 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/data/92e734a9c/dab93ee0924941aca34e35e9569a11d9/FLAG4700fc550 [2019-11-16 00:27:47,791 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/data/92e734a9c/dab93ee0924941aca34e35e9569a11d9 [2019-11-16 00:27:47,793 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:27:47,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:27:47,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:27:47,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:27:47,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:27:47,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:27:47" (1/1) ... [2019-11-16 00:27:47,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b28e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:47, skipping insertion in model container [2019-11-16 00:27:47,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:27:47" (1/1) ... [2019-11-16 00:27:47,823 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:27:47,856 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:27:48,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:27:48,075 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:27:48,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:27:48,217 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:27:48,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:48 WrapperNode [2019-11-16 00:27:48,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:27:48,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:27:48,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:27:48,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:27:48,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:48" (1/1) ... [2019-11-16 00:27:48,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:48" (1/1) ... [2019-11-16 00:27:48,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:27:48,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:27:48,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:27:48,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:27:48,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:48" (1/1) ... [2019-11-16 00:27:48,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:48" (1/1) ... [2019-11-16 00:27:48,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:48" (1/1) ... [2019-11-16 00:27:48,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:48" (1/1) ... [2019-11-16 00:27:48,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:48" (1/1) ... [2019-11-16 00:27:48,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:48" (1/1) ... [2019-11-16 00:27:48,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:48" (1/1) ... [2019-11-16 00:27:48,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:27:48,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:27:48,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:27:48,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:27:48,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:27:48,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-16 00:27:48,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-16 00:27:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:27:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-16 00:27:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:27:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:27:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-16 00:27:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:28:13,407 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:28:13,407 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-16 00:28:13,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:28:13 BoogieIcfgContainer [2019-11-16 00:28:13,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:28:13,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:28:13,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:28:13,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:28:13,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:27:47" (1/3) ... [2019-11-16 00:28:13,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69839dbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:28:13, skipping insertion in model container [2019-11-16 00:28:13,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:48" (2/3) ... [2019-11-16 00:28:13,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69839dbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:28:13, skipping insertion in model container [2019-11-16 00:28:13,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:28:13" (3/3) ... [2019-11-16 00:28:13,415 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0921.c [2019-11-16 00:28:13,424 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:28:13,431 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-16 00:28:13,439 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-16 00:28:13,461 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:28:13,462 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:28:13,462 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:28:13,462 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:28:13,462 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:28:13,463 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:28:13,463 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:28:13,463 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:28:13,477 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-11-16 00:28:13,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-16 00:28:13,483 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:28:13,484 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:28:13,486 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:28:13,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:28:13,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1030195787, now seen corresponding path program 1 times [2019-11-16 00:28:13,504 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:28:13,504 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1502129067] [2019-11-16 00:28:13,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-16 00:28:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:28:14,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-16 00:28:14,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:28:14,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:28:14,420 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-16 00:28:14,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:28:14,425 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1502129067] [2019-11-16 00:28:14,425 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:28:14,426 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-16 00:28:14,426 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237761042] [2019-11-16 00:28:14,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-16 00:28:14,430 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-16 00:28:14,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-16 00:28:14,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-16 00:28:14,441 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2019-11-16 00:28:14,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:28:14,461 INFO L93 Difference]: Finished difference Result 56 states and 90 transitions. [2019-11-16 00:28:14,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-16 00:28:14,462 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-16 00:28:14,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:28:14,473 INFO L225 Difference]: With dead ends: 56 [2019-11-16 00:28:14,474 INFO L226 Difference]: Without dead ends: 26 [2019-11-16 00:28:14,477 INFO L600 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 [2019-11-16 00:28:14,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-16 00:28:14,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-11-16 00:28:14,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-16 00:28:14,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2019-11-16 00:28:14,510 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 36 transitions. Word has length 10 [2019-11-16 00:28:14,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:28:14,511 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 36 transitions. [2019-11-16 00:28:14,511 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-16 00:28:14,511 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2019-11-16 00:28:14,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-16 00:28:14,512 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:28:14,512 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:28:14,713 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-16 00:28:14,716 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:28:14,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:28:14,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1305111410, now seen corresponding path program 1 times [2019-11-16 00:28:14,717 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:28:14,718 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2001839111] [2019-11-16 00:28:14,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-16 00:28:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:28:15,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-16 00:28:15,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:28:15,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:28:15,684 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-16 00:28:15,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:28:15,770 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2001839111] [2019-11-16 00:28:15,771 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:28:15,771 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-16 00:28:15,771 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356190007] [2019-11-16 00:28:15,773 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:28:15,773 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-16 00:28:15,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:28:15,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:28:15,774 INFO L87 Difference]: Start difference. First operand 26 states and 36 transitions. Second operand 6 states. [2019-11-16 00:28:21,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:28:21,609 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2019-11-16 00:28:22,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-16 00:28:22,278 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-11-16 00:28:22,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:28:22,279 INFO L225 Difference]: With dead ends: 41 [2019-11-16 00:28:22,280 INFO L226 Difference]: Without dead ends: 36 [2019-11-16 00:28:22,281 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:28:22,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-16 00:28:22,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 26. [2019-11-16 00:28:22,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-16 00:28:22,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2019-11-16 00:28:22,287 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 35 transitions. Word has length 11 [2019-11-16 00:28:22,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:28:22,288 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 35 transitions. [2019-11-16 00:28:22,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:28:22,288 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2019-11-16 00:28:22,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-16 00:28:22,289 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:28:22,289 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:28:22,497 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-16 00:28:22,497 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:28:22,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:28:22,497 INFO L82 PathProgramCache]: Analyzing trace with hash -594923761, now seen corresponding path program 1 times [2019-11-16 00:28:22,498 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:28:22,498 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1503520400] [2019-11-16 00:28:22,498 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-16 00:28:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:28:22,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-16 00:28:22,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:28:22,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:28:22,719 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-16 00:28:22,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:28:23,000 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1503520400] [2019-11-16 00:28:23,000 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:28:23,000 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2019-11-16 00:28:23,001 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537241837] [2019-11-16 00:28:23,001 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-16 00:28:23,001 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-16 00:28:23,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-16 00:28:23,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:28:23,002 INFO L87 Difference]: Start difference. First operand 26 states and 35 transitions. Second operand 8 states. [2019-11-16 00:28:39,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:28:39,893 INFO L93 Difference]: Finished difference Result 31 states and 39 transitions. [2019-11-16 00:28:39,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:28:39,893 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-16 00:28:39,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:28:39,894 INFO L225 Difference]: With dead ends: 31 [2019-11-16 00:28:39,895 INFO L226 Difference]: Without dead ends: 26 [2019-11-16 00:28:39,895 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-11-16 00:28:39,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-16 00:28:39,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-11-16 00:28:39,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-16 00:28:39,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2019-11-16 00:28:39,899 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 11 [2019-11-16 00:28:39,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:28:39,900 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions. [2019-11-16 00:28:39,900 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-16 00:28:39,900 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2019-11-16 00:28:39,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-16 00:28:39,900 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:28:39,901 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:28:40,104 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-16 00:28:40,104 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:28:40,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:28:40,105 INFO L82 PathProgramCache]: Analyzing trace with hash 464451163, now seen corresponding path program 1 times [2019-11-16 00:28:40,105 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:28:40,106 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1106373534] [2019-11-16 00:28:40,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-16 00:28:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:28:40,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-16 00:28:40,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:28:40,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:28:40,336 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-16 00:28:44,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:28:44,439 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1106373534] [2019-11-16 00:28:44,439 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:28:44,439 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-16 00:28:44,440 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333958311] [2019-11-16 00:28:44,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-16 00:28:44,440 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-16 00:28:44,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-16 00:28:44,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=35, Unknown=2, NotChecked=0, Total=56 [2019-11-16 00:28:44,441 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand 8 states. [2019-11-16 00:28:50,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:28:50,275 INFO L93 Difference]: Finished difference Result 47 states and 59 transitions. [2019-11-16 00:28:50,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:28:50,937 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-11-16 00:28:50,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:28:50,938 INFO L225 Difference]: With dead ends: 47 [2019-11-16 00:28:50,938 INFO L226 Difference]: Without dead ends: 31 [2019-11-16 00:28:50,939 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=41, Invalid=67, Unknown=2, NotChecked=0, Total=110 [2019-11-16 00:28:50,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-16 00:28:50,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 26. [2019-11-16 00:28:50,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-16 00:28:50,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2019-11-16 00:28:50,944 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 32 transitions. Word has length 17 [2019-11-16 00:28:50,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:28:50,944 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 32 transitions. [2019-11-16 00:28:50,944 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-16 00:28:50,944 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2019-11-16 00:28:50,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-16 00:28:50,945 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:28:50,945 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:28:51,145 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-16 00:28:51,146 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:28:51,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:28:51,146 INFO L82 PathProgramCache]: Analyzing trace with hash -2124593878, now seen corresponding path program 1 times [2019-11-16 00:28:51,146 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:28:51,147 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [853429998] [2019-11-16 00:28:51,147 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/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 [2019-11-16 00:28:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:28:51,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-16 00:28:51,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:28:51,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:28:51,611 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-16 00:28:51,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:28:51,682 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [853429998] [2019-11-16 00:28:51,682 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:28:51,682 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-16 00:28:51,683 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747175940] [2019-11-16 00:28:51,683 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-16 00:28:51,683 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-16 00:28:51,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-16 00:28:51,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:28:51,684 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. Second operand 8 states. [2019-11-16 00:28:51,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:28:51,769 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2019-11-16 00:28:51,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-16 00:28:51,770 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2019-11-16 00:28:51,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:28:51,770 INFO L225 Difference]: With dead ends: 26 [2019-11-16 00:28:51,770 INFO L226 Difference]: Without dead ends: 0 [2019-11-16 00:28:51,771 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-16 00:28:51,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-16 00:28:51,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-16 00:28:51,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-16 00:28:51,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-16 00:28:51,772 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2019-11-16 00:28:51,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:28:51,772 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:28:51,772 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-16 00:28:51,772 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:28:51,772 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-16 00:28:51,973 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-16 00:28:51,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-16 00:28:52,067 INFO L439 ceAbstractionStarter]: At program point L122(lines 45 124) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= |ULTIMATE.start___ieee754_log_#res| (fp.add roundNearestTiesToEven .cse0 .cse0)) (= ULTIMATE.start___ieee754_log_~x .cse0))) [2019-11-16 00:28:52,068 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 92) no Hoare annotation was computed. [2019-11-16 00:28:52,068 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 142) no Hoare annotation was computed. [2019-11-16 00:28:52,068 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2019-11-16 00:28:52,068 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-16 00:28:52,068 INFO L439 ceAbstractionStarter]: At program point L65-2(lines 65 69) the Hoare annotation is: false [2019-11-16 00:28:52,068 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= |ULTIMATE.start___ieee754_log_#res| (fp.add roundNearestTiesToEven .cse0 .cse0)) (= ULTIMATE.start___ieee754_log_~x .cse0) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|))) [2019-11-16 00:28:52,069 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 99) no Hoare annotation was computed. [2019-11-16 00:28:52,069 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-16 00:28:52,069 INFO L443 ceAbstractionStarter]: For program point L61(lines 61 62) no Hoare annotation was computed. [2019-11-16 00:28:52,069 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-16 00:28:52,069 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 122) no Hoare annotation was computed. [2019-11-16 00:28:52,069 INFO L443 ceAbstractionStarter]: For program point L86(lines 86 91) no Hoare annotation was computed. [2019-11-16 00:28:52,069 INFO L446 ceAbstractionStarter]: At program point L144(lines 129 145) the Hoare annotation is: true [2019-11-16 00:28:52,069 INFO L443 ceAbstractionStarter]: For program point L111(lines 111 123) no Hoare annotation was computed. [2019-11-16 00:28:52,070 INFO L443 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2019-11-16 00:28:52,070 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2019-11-16 00:28:52,070 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-16 00:28:52,070 INFO L443 ceAbstractionStarter]: For program point L58(lines 58 70) no Hoare annotation was computed. [2019-11-16 00:28:52,070 INFO L443 ceAbstractionStarter]: For program point L58-1(lines 45 124) no Hoare annotation was computed. [2019-11-16 00:28:52,070 INFO L443 ceAbstractionStarter]: For program point L50-1(lines 50 55) no Hoare annotation was computed. [2019-11-16 00:28:52,070 INFO L439 ceAbstractionStarter]: At program point L50-2(lines 50 55) the Hoare annotation is: (= ULTIMATE.start___ieee754_log_~x (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53))) [2019-11-16 00:28:52,071 INFO L443 ceAbstractionStarter]: For program point L50-3(lines 50 55) no Hoare annotation was computed. [2019-11-16 00:28:52,071 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 60) no Hoare annotation was computed. [2019-11-16 00:28:52,071 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 100) no Hoare annotation was computed. [2019-11-16 00:28:52,071 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 117) no Hoare annotation was computed. [2019-11-16 00:28:52,071 INFO L443 ceAbstractionStarter]: For program point L76-1(lines 76 81) no Hoare annotation was computed. [2019-11-16 00:28:52,071 INFO L439 ceAbstractionStarter]: At program point L76-2(lines 76 81) the Hoare annotation is: false [2019-11-16 00:28:52,071 INFO L443 ceAbstractionStarter]: For program point L76-3(lines 76 81) no Hoare annotation was computed. [2019-11-16 00:28:52,079 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,080 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,080 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,080 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,092 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,092 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,092 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,094 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,096 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,096 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,097 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,097 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,098 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,098 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:28:52 BoogieIcfgContainer [2019-11-16 00:28:52,114 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:28:52,114 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:28:52,114 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:28:52,115 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:28:52,115 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:28:13" (3/4) ... [2019-11-16 00:28:52,118 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-16 00:28:52,134 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-16 00:28:52,135 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-16 00:28:52,162 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) [2019-11-16 00:28:52,163 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result [2019-11-16 00:28:52,201 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8e1d553d-8a5e-429d-915b-4ca023c3d74e/bin/uautomizer/witness.graphml [2019-11-16 00:28:52,201 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:28:52,203 INFO L168 Benchmark]: Toolchain (without parser) took 64408.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 951.0 MB in the beginning and 918.7 MB in the end (delta: 32.3 MB). Peak memory consumption was 177.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:28:52,203 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:28:52,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 423.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:28:52,204 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:28:52,204 INFO L168 Benchmark]: Boogie Preprocessor took 37.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:28:52,205 INFO L168 Benchmark]: RCFGBuilder took 25104.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:28:52,205 INFO L168 Benchmark]: TraceAbstraction took 38704.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 925.3 MB in the end (delta: 173.8 MB). Peak memory consumption was 173.8 MB. Max. memory is 11.5 GB. [2019-11-16 00:28:52,206 INFO L168 Benchmark]: Witness Printer took 87.08 ms. Allocated memory is still 1.2 GB. Free memory was 925.3 MB in the beginning and 918.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:28:52,207 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 423.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 25104.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 38704.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 925.3 MB in the end (delta: 173.8 MB). Peak memory consumption was 173.8 MB. Max. memory is 11.5 GB. * Witness Printer took 87.08 ms. Allocated memory is still 1.2 GB. Free memory was 925.3 MB in the beginning and 918.7 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 140]: 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: 127]: Loop Invariant [2019-11-16 00:28:52,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,216 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,216 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,216 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant [2019-11-16 00:28:52,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,219 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,219 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,219 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,220 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant [2019-11-16 00:28:52,220 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:28:52,221 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. Result: SAFE, OverallTime: 38.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 30.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 118 SDtfs, 92 SDslu, 291 SDs, 0 SdLazy, 107 SolverSat, 19 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 26.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 106 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 10 NumberOfFragments, 50 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 130 ConstructedInterpolants, 20 QuantifiedInterpolants, 8676 SizeOfPredicates, 24 NumberOfNonLiveVariables, 274 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...