./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/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 7d19ae2d93dd4f9ccec1d28558a563787c68b3eb ............................................................................................................................................................................................................................................................................................ 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_f676abde-4ad9-4933-840f-df7314a6ad57/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/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 7d19ae2d93dd4f9ccec1d28558a563787c68b3eb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:57:56,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:57:56,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:57:56,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:57:56,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:57:56,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:57:56,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:57:56,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:57:56,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:57:56,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:57:56,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:57:56,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:57:56,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:57:56,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:57:56,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:57:56,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:57:56,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:57:56,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:57:56,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:57:56,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:57:56,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:57:56,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:57:56,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:57:56,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:57:56,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:57:56,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:57:56,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:57:56,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:57:56,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:57:56,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:57:56,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:57:56,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:57:56,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:57:56,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:57:56,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:57:56,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:57:56,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:57:56,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:57:56,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:57:56,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:57:56,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:57:56,421 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:57:56,445 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:57:56,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:57:56,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:57:56,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:57:56,456 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:57:56,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:57:56,457 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:57:56,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:57:56,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:57:56,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:57:56,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:57:56,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:57:56,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:57:56,458 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:57:56,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:57:56,459 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:57:56,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:57:56,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:57:56,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:57:56,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:57:56,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:57:56,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:57:56,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:57:56,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:57:56,462 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:57:56,462 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:57:56,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:57:56,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:57:56,462 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_f676abde-4ad9-4933-840f-df7314a6ad57/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 -> 7d19ae2d93dd4f9ccec1d28558a563787c68b3eb [2019-11-25 08:57:56,609 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:57:56,619 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:57:56,622 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:57:56,623 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:57:56,624 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:57:56,624 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2019-11-25 08:57:56,678 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/bin/uautomizer/data/f69e3ad48/a0d7894f00b64b60ae6ef66e719b4337/FLAG659100361 [2019-11-25 08:57:57,070 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:57:57,071 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2019-11-25 08:57:57,080 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/bin/uautomizer/data/f69e3ad48/a0d7894f00b64b60ae6ef66e719b4337/FLAG659100361 [2019-11-25 08:57:57,091 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/bin/uautomizer/data/f69e3ad48/a0d7894f00b64b60ae6ef66e719b4337 [2019-11-25 08:57:57,095 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:57:57,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:57:57,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:57:57,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:57:57,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:57:57,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:57:57" (1/1) ... [2019-11-25 08:57:57,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e1bab45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:57, skipping insertion in model container [2019-11-25 08:57:57,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:57:57" (1/1) ... [2019-11-25 08:57:57,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:57:57,142 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:57:57,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:57:57,421 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:57:57,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:57:57,474 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:57:57,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:57 WrapperNode [2019-11-25 08:57:57,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:57:57,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:57:57,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:57:57,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:57:57,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:57" (1/1) ... [2019-11-25 08:57:57,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:57" (1/1) ... [2019-11-25 08:57:57,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:57:57,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:57:57,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:57:57,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:57:57,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:57" (1/1) ... [2019-11-25 08:57:57,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:57" (1/1) ... [2019-11-25 08:57:57,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:57" (1/1) ... [2019-11-25 08:57:57,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:57" (1/1) ... [2019-11-25 08:57:57,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:57" (1/1) ... [2019-11-25 08:57:57,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:57" (1/1) ... [2019-11-25 08:57:57,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:57" (1/1) ... [2019-11-25 08:57:57,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:57:57,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:57:57,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:57:57,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:57:57,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/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 [2019-11-25 08:57:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:57:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:57:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-25 08:57:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-25 08:57:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:57:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:57:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:57:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-11-25 08:57:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:57:57,997 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:57:57,997 INFO L284 CfgBuilder]: Removed 20 assume(true) statements. [2019-11-25 08:57:57,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:57 BoogieIcfgContainer [2019-11-25 08:57:57,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:57:57,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:57:57,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:57:58,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:57:58,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:57:57" (1/3) ... [2019-11-25 08:57:58,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@211ce6a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:57:58, skipping insertion in model container [2019-11-25 08:57:58,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:57" (2/3) ... [2019-11-25 08:57:58,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@211ce6a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:57:58, skipping insertion in model container [2019-11-25 08:57:58,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:57" (3/3) ... [2019-11-25 08:57:58,004 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1121a.c [2019-11-25 08:57:58,010 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:57:58,017 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:57:58,025 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:57:58,045 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:57:58,045 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:57:58,045 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:57:58,045 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:57:58,045 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:57:58,046 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:57:58,046 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:57:58,046 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:57:58,058 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2019-11-25 08:57:58,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-25 08:57:58,062 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:57:58,062 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:57:58,063 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:57:58,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:58,067 INFO L82 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2019-11-25 08:57:58,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:58,073 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883740172] [2019-11-25 08:57:58,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:58,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:57:58,167 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883740172] [2019-11-25 08:57:58,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:57:58,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:57:58,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141336411] [2019-11-25 08:57:58,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:57:58,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:57:58,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:57:58,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:57:58,185 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2019-11-25 08:57:58,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:57:58,202 INFO L93 Difference]: Finished difference Result 82 states and 138 transitions. [2019-11-25 08:57:58,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:57:58,203 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-25 08:57:58,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:57:58,212 INFO L225 Difference]: With dead ends: 82 [2019-11-25 08:57:58,212 INFO L226 Difference]: Without dead ends: 39 [2019-11-25 08:57:58,215 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:57:58,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-11-25 08:57:58,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-11-25 08:57:58,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-25 08:57:58,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2019-11-25 08:57:58,243 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2019-11-25 08:57:58,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:57:58,243 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2019-11-25 08:57:58,243 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:57:58,243 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2019-11-25 08:57:58,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-25 08:57:58,244 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:57:58,244 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:57:58,244 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:57:58,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:58,245 INFO L82 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2019-11-25 08:57:58,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:58,245 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831977185] [2019-11-25 08:57:58,246 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:58,363 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:57:58,363 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:57:58,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:57:58 BoogieIcfgContainer [2019-11-25 08:57:58,390 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:57:58,391 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:57:58,391 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:57:58,391 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:57:58,391 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:57" (3/4) ... [2019-11-25 08:57:58,394 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:57:58,394 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:57:58,396 INFO L168 Benchmark]: Toolchain (without parser) took 1299.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -151.3 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:58,397 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:57:58,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -219.3 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:58,398 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:58,399 INFO L168 Benchmark]: Boogie Preprocessor took 31.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:57:58,399 INFO L168 Benchmark]: RCFGBuilder took 449.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:58,400 INFO L168 Benchmark]: TraceAbstraction took 391.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:58,400 INFO L168 Benchmark]: Witness Printer took 3.90 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:58,403 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 373.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -219.3 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 449.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 391.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.90 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 123]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of someUnaryDOUBLEoperation at line 14, overapproximation of bitwiseAnd at line 30, overapproximation of bitwiseXor at line 31, overapproximation of someBinaryArithmeticFLOAToperation at line 35. Possible FailurePath: [L12-L15] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={3:0}] [L116] float x = __VERIFIER_nondet_float(); [L117] float y = 0.0f; [L18] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [one_fmod=1, Zero_fmod={3:0}] [L21] ieee_float_shape_type gf_u; [L22] gf_u.value = (x) [L23] EXPR gf_u.word [L23] (hx) = gf_u.word [L26] ieee_float_shape_type gf_u; [L27] gf_u.value = (y) [L28] EXPR gf_u.word [L28] (hy) = gf_u.word [L30] sx = hx & 0x80000000 [L31] hx ^= sx [L32] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={3:0}] [L34] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L35] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={3:0}] [L119] float res = fmod_float(x, y); [L108] return x != x; VAL [one_fmod=1, Zero_fmod={3:0}] [L122] COND TRUE !isnan_float(res) [L123] __VERIFIER_error() VAL [one_fmod=1, Zero_fmod={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 57 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=42occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-25 08:58:00,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:58:00,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:58:00,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:58:00,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:58:00,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:58:00,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:58:00,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:58:00,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:58:00,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:58:00,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:58:00,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:58:00,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:58:00,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:58:00,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:58:00,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:58:00,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:58:00,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:58:00,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:58:00,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:58:00,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:58:00,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:58:00,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:58:00,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:58:00,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:58:00,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:58:00,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:58:00,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:58:00,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:58:00,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:58:00,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:58:00,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:58:00,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:58:00,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:58:00,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:58:00,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:58:00,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:58:00,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:58:00,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:58:00,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:58:00,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:58:00,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 08:58:00,307 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:58:00,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:58:00,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:58:00,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:58:00,311 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:58:00,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:58:00,312 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:58:00,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:58:00,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:58:00,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:58:00,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:58:00,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:58:00,314 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 08:58:00,314 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 08:58:00,314 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 08:58:00,315 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:58:00,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:58:00,315 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:58:00,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:58:00,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:58:00,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:58:00,316 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:58:00,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:58:00,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:58:00,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:58:00,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:58:00,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:58:00,318 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 08:58:00,318 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 08:58:00,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:58:00,319 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 08:58:00,319 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_f676abde-4ad9-4933-840f-df7314a6ad57/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 -> 7d19ae2d93dd4f9ccec1d28558a563787c68b3eb [2019-11-25 08:58:00,578 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:58:00,588 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:58:00,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:58:00,592 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:58:00,593 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:58:00,593 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2019-11-25 08:58:00,641 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/bin/uautomizer/data/45e813d05/4e16f3b3ad6b439ab79a5030eacdbeb9/FLAG4e7bc659d [2019-11-25 08:58:01,050 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:58:01,051 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2019-11-25 08:58:01,057 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/bin/uautomizer/data/45e813d05/4e16f3b3ad6b439ab79a5030eacdbeb9/FLAG4e7bc659d [2019-11-25 08:58:01,071 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/bin/uautomizer/data/45e813d05/4e16f3b3ad6b439ab79a5030eacdbeb9 [2019-11-25 08:58:01,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:58:01,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:58:01,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:58:01,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:58:01,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:58:01,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:58:01" (1/1) ... [2019-11-25 08:58:01,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18e28a7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:01, skipping insertion in model container [2019-11-25 08:58:01,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:58:01" (1/1) ... [2019-11-25 08:58:01,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:58:01,110 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:58:01,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:58:01,294 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:58:01,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:58:01,463 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:58:01,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:01 WrapperNode [2019-11-25 08:58:01,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:58:01,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:58:01,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:58:01,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:58:01,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:01" (1/1) ... [2019-11-25 08:58:01,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:01" (1/1) ... [2019-11-25 08:58:01,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:58:01,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:58:01,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:58:01,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:58:01,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:01" (1/1) ... [2019-11-25 08:58:01,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:01" (1/1) ... [2019-11-25 08:58:01,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:01" (1/1) ... [2019-11-25 08:58:01,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:01" (1/1) ... [2019-11-25 08:58:01,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:01" (1/1) ... [2019-11-25 08:58:01,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:01" (1/1) ... [2019-11-25 08:58:01,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:01" (1/1) ... [2019-11-25 08:58:01,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:58:01,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:58:01,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:58:01,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:58:01,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/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 [2019-11-25 08:58:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-11-25 08:58:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:58:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-25 08:58:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-25 08:58:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:58:01,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:58:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-25 08:58:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-25 08:58:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:58:02,846 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:58:02,847 INFO L284 CfgBuilder]: Removed 20 assume(true) statements. [2019-11-25 08:58:02,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:58:02 BoogieIcfgContainer [2019-11-25 08:58:02,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:58:02,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:58:02,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:58:02,851 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:58:02,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:58:01" (1/3) ... [2019-11-25 08:58:02,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a040d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:58:02, skipping insertion in model container [2019-11-25 08:58:02,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:01" (2/3) ... [2019-11-25 08:58:02,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a040d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:58:02, skipping insertion in model container [2019-11-25 08:58:02,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:58:02" (3/3) ... [2019-11-25 08:58:02,854 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1121a.c [2019-11-25 08:58:02,863 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:58:02,869 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:58:02,879 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:58:02,898 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:58:02,898 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:58:02,898 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:58:02,899 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:58:02,899 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:58:02,899 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:58:02,899 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:58:02,899 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:58:02,911 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2019-11-25 08:58:02,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-25 08:58:02,916 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:58:02,917 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:58:02,917 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:58:02,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:02,922 INFO L82 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2019-11-25 08:58:02,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:58:02,930 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [463446342] [2019-11-25 08:58:02,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/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 [2019-11-25 08:58:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:03,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-25 08:58:03,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:03,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:03,217 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:58:03,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:03,221 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [463446342] [2019-11-25 08:58:03,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:58:03,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-25 08:58:03,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124812516] [2019-11-25 08:58:03,226 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:58:03,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:58:03,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:58:03,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:58:03,236 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2019-11-25 08:58:03,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:58:03,252 INFO L93 Difference]: Finished difference Result 82 states and 138 transitions. [2019-11-25 08:58:03,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:58:03,253 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-25 08:58:03,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:58:03,262 INFO L225 Difference]: With dead ends: 82 [2019-11-25 08:58:03,263 INFO L226 Difference]: Without dead ends: 39 [2019-11-25 08:58:03,266 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:58:03,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-11-25 08:58:03,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-11-25 08:58:03,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-25 08:58:03,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2019-11-25 08:58:03,295 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2019-11-25 08:58:03,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:58:03,296 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2019-11-25 08:58:03,296 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:58:03,296 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2019-11-25 08:58:03,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-25 08:58:03,297 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:58:03,297 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:58:03,513 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-25 08:58:03,513 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:58:03,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:03,514 INFO L82 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2019-11-25 08:58:03,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:58:03,515 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1512376170] [2019-11-25 08:58:03,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/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 [2019-11-25 08:58:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:03,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-25 08:58:03,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:05,402 WARN L192 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2019-11-25 08:58:05,405 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:58:06,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:06,746 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:58:10,172 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_fmod_float_~x (_ FloatingPoint 8 24))) (not (let ((.cse0 (let ((.cse1 (fp.mul c_currentRoundingMode ULTIMATE.start_fmod_float_~x c_ULTIMATE.start_fmod_float_~y))) (fp.div c_currentRoundingMode .cse1 .cse1)))) (fp.eq .cse0 .cse0)))) is different from true [2019-11-25 08:58:10,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:10,407 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1512376170] [2019-11-25 08:58:10,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:58:10,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2019-11-25 08:58:10,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011708005] [2019-11-25 08:58:10,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-25 08:58:10,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:58:10,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-25 08:58:10,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=69, Unknown=1, NotChecked=16, Total=110 [2019-11-25 08:58:10,411 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand 11 states. [2019-11-25 08:58:17,597 WARN L192 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2019-11-25 08:58:20,609 WARN L192 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2019-11-25 08:58:23,603 WARN L192 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2019-11-25 08:58:23,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:58:23,758 INFO L93 Difference]: Finished difference Result 44 states and 58 transitions. [2019-11-25 08:58:23,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:58:23,759 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 12 [2019-11-25 08:58:23,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:58:23,760 INFO L225 Difference]: With dead ends: 44 [2019-11-25 08:58:23,760 INFO L226 Difference]: Without dead ends: 39 [2019-11-25 08:58:23,761 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 18.1s TimeCoverageRelationStatistics Valid=51, Invalid=108, Unknown=1, NotChecked=22, Total=182 [2019-11-25 08:58:23,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-11-25 08:58:23,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-11-25 08:58:23,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-25 08:58:23,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2019-11-25 08:58:23,775 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 53 transitions. Word has length 12 [2019-11-25 08:58:23,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:58:23,776 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 53 transitions. [2019-11-25 08:58:23,776 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-25 08:58:23,776 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2019-11-25 08:58:23,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-25 08:58:23,777 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:58:23,778 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:58:23,998 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-25 08:58:23,998 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:58:23,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:23,999 INFO L82 PathProgramCache]: Analyzing trace with hash -302456811, now seen corresponding path program 1 times [2019-11-25 08:58:23,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:58:24,000 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1788601102] [2019-11-25 08:58:24,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/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 [2019-11-25 08:58:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:24,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-25 08:58:24,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:24,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:24,148 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:58:24,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:24,211 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1788601102] [2019-11-25 08:58:24,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:58:24,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 6 [2019-11-25 08:58:24,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812096864] [2019-11-25 08:58:24,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:58:24,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:58:24,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:58:24,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:58:24,212 INFO L87 Difference]: Start difference. First operand 39 states and 53 transitions. Second operand 6 states. [2019-11-25 08:58:24,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:58:24,258 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2019-11-25 08:58:24,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:58:24,260 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-11-25 08:58:24,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:58:24,261 INFO L225 Difference]: With dead ends: 39 [2019-11-25 08:58:24,261 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:58:24,262 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:58:24,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:58:24,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:58:24,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:58:24,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:58:24,262 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-25 08:58:24,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:58:24,263 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:58:24,263 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:58:24,263 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:58:24,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:58:24,473 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-25 08:58:24,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:58:25,633 WARN L192 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 16 [2019-11-25 08:58:26,783 WARN L192 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 13 [2019-11-25 08:58:26,785 INFO L444 ceAbstractionStarter]: For program point L52-1(lines 17 105) no Hoare annotation was computed. [2019-11-25 08:58:26,785 INFO L444 ceAbstractionStarter]: For program point L36(lines 36 37) no Hoare annotation was computed. [2019-11-25 08:58:26,785 INFO L447 ceAbstractionStarter]: At program point L127(lines 110 128) the Hoare annotation is: true [2019-11-25 08:58:26,786 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:58:26,786 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:58:26,786 INFO L444 ceAbstractionStarter]: For program point L86(lines 86 103) no Hoare annotation was computed. [2019-11-25 08:58:26,786 INFO L444 ceAbstractionStarter]: For program point L20-1(lines 20 24) no Hoare annotation was computed. [2019-11-25 08:58:26,786 INFO L440 ceAbstractionStarter]: At program point L20-2(lines 20 24) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven)) [2019-11-25 08:58:26,786 INFO L444 ceAbstractionStarter]: For program point L70(lines 70 71) no Hoare annotation was computed. [2019-11-25 08:58:26,786 INFO L444 ceAbstractionStarter]: For program point L46(lines 17 105) no Hoare annotation was computed. [2019-11-25 08:58:26,787 INFO L440 ceAbstractionStarter]: At program point L104(lines 17 105) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_fmod_float_~x (_ FloatingPoint 8 24))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_fmod_float_~x (_ +zero 8 24)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_float_#res|))) [2019-11-25 08:58:26,787 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2019-11-25 08:58:26,787 INFO L444 ceAbstractionStarter]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2019-11-25 08:58:26,787 INFO L440 ceAbstractionStarter]: At program point L88-2(lines 88 92) the Hoare annotation is: false [2019-11-25 08:58:26,787 INFO L444 ceAbstractionStarter]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2019-11-25 08:58:26,787 INFO L440 ceAbstractionStarter]: At program point L47-3(lines 47 48) the Hoare annotation is: false [2019-11-25 08:58:26,787 INFO L444 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2019-11-25 08:58:26,788 INFO L440 ceAbstractionStarter]: At program point L97-2(lines 97 101) the Hoare annotation is: false [2019-11-25 08:58:26,788 INFO L444 ceAbstractionStarter]: For program point L97-3(lines 97 101) no Hoare annotation was computed. [2019-11-25 08:58:26,788 INFO L444 ceAbstractionStarter]: For program point L122(lines 122 125) no Hoare annotation was computed. [2019-11-25 08:58:26,788 INFO L444 ceAbstractionStarter]: For program point L40(lines 40 44) no Hoare annotation was computed. [2019-11-25 08:58:26,788 INFO L444 ceAbstractionStarter]: For program point L40-1(lines 17 105) no Hoare annotation was computed. [2019-11-25 08:58:26,788 INFO L444 ceAbstractionStarter]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2019-11-25 08:58:26,788 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:58:26,789 INFO L444 ceAbstractionStarter]: For program point L65-3(lines 65 74) no Hoare annotation was computed. [2019-11-25 08:58:26,789 INFO L444 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2019-11-25 08:58:26,789 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2019-11-25 08:58:26,789 INFO L440 ceAbstractionStarter]: At program point L82-2(lines 82 85) the Hoare annotation is: false [2019-11-25 08:58:26,789 INFO L444 ceAbstractionStarter]: For program point L82-3(lines 17 105) no Hoare annotation was computed. [2019-11-25 08:58:26,789 INFO L444 ceAbstractionStarter]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2019-11-25 08:58:26,789 INFO L440 ceAbstractionStarter]: At program point L41-3(lines 41 42) the Hoare annotation is: false [2019-11-25 08:58:26,790 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:58:26,790 INFO L444 ceAbstractionStarter]: For program point L25(lines 25 29) no Hoare annotation was computed. [2019-11-25 08:58:26,790 INFO L444 ceAbstractionStarter]: For program point L58-1(lines 58 63) no Hoare annotation was computed. [2019-11-25 08:58:26,790 INFO L444 ceAbstractionStarter]: For program point L25-1(lines 17 105) no Hoare annotation was computed. [2019-11-25 08:58:26,790 INFO L444 ceAbstractionStarter]: For program point L25-2(lines 25 29) no Hoare annotation was computed. [2019-11-25 08:58:26,790 INFO L440 ceAbstractionStarter]: At program point L108(line 108) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_fmod_float_~x (_ FloatingPoint 8 24))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_fmod_float_~x (_ +zero 8 24)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_float_#res|))) [2019-11-25 08:58:26,791 INFO L444 ceAbstractionStarter]: For program point L67(lines 67 73) no Hoare annotation was computed. [2019-11-25 08:58:26,791 INFO L444 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-11-25 08:58:26,791 INFO L440 ceAbstractionStarter]: At program point L67-2(lines 65 74) the Hoare annotation is: false [2019-11-25 08:58:26,791 INFO L444 ceAbstractionStarter]: For program point L76(lines 76 78) no Hoare annotation was computed. [2019-11-25 08:58:26,791 INFO L444 ceAbstractionStarter]: For program point L76-2(lines 17 105) no Hoare annotation was computed. [2019-11-25 08:58:26,801 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,802 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,802 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-11-25 08:58:26,803 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-11-25 08:58:26,804 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:58:26,806 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,806 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,806 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-11-25 08:58:26,807 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-11-25 08:58:26,808 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:58:26,808 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,809 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:58:26,809 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,809 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:58:26,810 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,810 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,810 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,810 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-11-25 08:58:26,811 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-11-25 08:58:26,811 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:58:26,812 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,812 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,812 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,812 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-11-25 08:58:26,813 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-11-25 08:58:26,813 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:58:26,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:58:26 BoogieIcfgContainer [2019-11-25 08:58:26,823 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:58:26,824 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:58:26,824 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:58:26,824 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:58:26,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:58:02" (3/4) ... [2019-11-25 08:58:26,828 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:58:26,841 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-25 08:58:26,842 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-25 08:58:26,842 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:58:26,875 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f676abde-4ad9-4933-840f-df7314a6ad57/bin/uautomizer/witness.graphml [2019-11-25 08:58:26,876 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:58:26,877 INFO L168 Benchmark]: Toolchain (without parser) took 25802.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.6 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -59.7 MB). Peak memory consumption was 127.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:26,878 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:58:26,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.6 MB). Free memory was 960.4 MB in the beginning and 1.2 GB in the end (delta: -214.9 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:26,879 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:58:26,879 INFO L168 Benchmark]: Boogie Preprocessor took 74.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:58:26,879 INFO L168 Benchmark]: RCFGBuilder took 1238.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:26,880 INFO L168 Benchmark]: TraceAbstraction took 23974.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 120.6 MB). Peak memory consumption was 120.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:26,880 INFO L168 Benchmark]: Witness Printer took 52.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:58:26,883 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 388.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.6 MB). Free memory was 960.4 MB in the beginning and 1.2 GB in the end (delta: -214.9 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1238.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 23974.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 120.6 MB). Peak memory consumption was 120.6 MB. Max. memory is 11.5 GB. * Witness Printer took 52.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 123]: 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: 110]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 108]: Loop Invariant [2019-11-25 08:58:26,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-11-25 08:58:26,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-11-25 08:58:26,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:58:26,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-11-25 08:58:26,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-11-25 08:58:26,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((y == ~Pluszero~LONGDOUBLE() && 1bv32 == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_fmod_float_~x : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ULTIMATE.start_fmod_float_~x, ~Pluszero~LONGDOUBLE()), ~fp.mul~FLOAT(~roundNearestTiesToEven, ULTIMATE.start_fmod_float_~x, ~Pluszero~LONGDOUBLE())) == \result) - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant [2019-11-25 08:58:26,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:58:26,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: y == ~Pluszero~LONGDOUBLE() && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 17]: Loop Invariant [2019-11-25 08:58:26,894 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,894 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,894 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-11-25 08:58:26,895 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-11-25 08:58:26,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:58:26,895 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,896 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,896 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-11-25 08:58:26,896 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:58:26,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-11-25 08:58:26,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (y == ~Pluszero~LONGDOUBLE() && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_fmod_float_~x : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ULTIMATE.start_fmod_float_~x, ~Pluszero~LONGDOUBLE()), ~fp.mul~FLOAT(~roundNearestTiesToEven, ULTIMATE.start_fmod_float_~x, ~Pluszero~LONGDOUBLE())) == \result) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Result: SAFE, OverallTime: 23.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 13.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, HoareTripleCheckerStatistics: 111 SDtfs, 111 SDslu, 193 SDs, 0 SdLazy, 35 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 48 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 18.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 14 NumberOfFragments, 57 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 64 ConstructedInterpolants, 10 QuantifiedInterpolants, 4565 SizeOfPredicates, 16 NumberOfNonLiveVariables, 154 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...