./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1121b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1121b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/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 1c6c05365b181d4eacf1f0a2b19f094d722c4a6a ...................................................................................................................................................................................................................................................................................................... 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_2473f77e-6aea-404c-b0b6-2c814964bb07/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1121b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/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 1c6c05365b181d4eacf1f0a2b19f094d722c4a6a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:06:42,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:06:42,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:06:42,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:06:42,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:06:42,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:06:42,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:06:42,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:06:42,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:06:42,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:06:42,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:06:42,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:06:42,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:06:42,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:06:42,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:06:42,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:06:42,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:06:42,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:06:42,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:06:42,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:06:42,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:06:42,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:06:42,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:06:42,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:06:42,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:06:42,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:06:42,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:06:42,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:06:42,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:06:42,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:06:42,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:06:42,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:06:42,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:06:42,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:06:42,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:06:42,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:06:42,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:06:42,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:06:42,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:06:42,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:06:42,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:06:42,492 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 22:06:42,504 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:06:42,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:06:42,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:06:42,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:06:42,506 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:06:42,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:06:42,506 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:06:42,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:06:42,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:06:42,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:06:42,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:06:42,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:06:42,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:06:42,508 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:06:42,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:06:42,508 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:06:42,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:06:42,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:06:42,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:06:42,509 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:06:42,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:06:42,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:06:42,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:06:42,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:06:42,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:06:42,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:06:42,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:06:42,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:06:42,511 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_2473f77e-6aea-404c-b0b6-2c814964bb07/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 -> 1c6c05365b181d4eacf1f0a2b19f094d722c4a6a [2019-11-15 22:06:42,535 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:06:42,544 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:06:42,547 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:06:42,548 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:06:42,549 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:06:42,549 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1121b.c [2019-11-15 22:06:42,598 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/bin/uautomizer/data/bd63a5810/f25766374f0947c9a32c39193280cb64/FLAG174722584 [2019-11-15 22:06:42,979 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:06:42,979 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/sv-benchmarks/c/float-newlib/double_req_bl_1121b.c [2019-11-15 22:06:42,986 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/bin/uautomizer/data/bd63a5810/f25766374f0947c9a32c39193280cb64/FLAG174722584 [2019-11-15 22:06:42,996 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/bin/uautomizer/data/bd63a5810/f25766374f0947c9a32c39193280cb64 [2019-11-15 22:06:42,998 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:06:43,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:06:43,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:06:43,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:06:43,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:06:43,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:06:42" (1/1) ... [2019-11-15 22:06:43,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30af59e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:43, skipping insertion in model container [2019-11-15 22:06:43,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:06:42" (1/1) ... [2019-11-15 22:06:43,013 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:06:43,034 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:06:43,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:06:43,277 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:06:43,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:06:43,347 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:06:43,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:43 WrapperNode [2019-11-15 22:06:43,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:06:43,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:06:43,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:06:43,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:06:43,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:43" (1/1) ... [2019-11-15 22:06:43,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:43" (1/1) ... [2019-11-15 22:06:43,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:06:43,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:06:43,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:06:43,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:06:43,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:43" (1/1) ... [2019-11-15 22:06:43,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:43" (1/1) ... [2019-11-15 22:06:43,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:43" (1/1) ... [2019-11-15 22:06:43,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:43" (1/1) ... [2019-11-15 22:06:43,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:43" (1/1) ... [2019-11-15 22:06:43,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:43" (1/1) ... [2019-11-15 22:06:43,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:43" (1/1) ... [2019-11-15 22:06:43,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:06:43,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:06:43,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:06:43,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:06:43,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/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 [2019-11-15 22:06:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:06:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 22:06:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-15 22:06:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-15 22:06:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:06:43,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:06:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 22:06:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-11-15 22:06:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:06:44,091 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:06:44,092 INFO L284 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-15 22:06:44,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:06:44 BoogieIcfgContainer [2019-11-15 22:06:44,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:06:44,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:06:44,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:06:44,097 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:06:44,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:06:42" (1/3) ... [2019-11-15 22:06:44,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d85734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:06:44, skipping insertion in model container [2019-11-15 22:06:44,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:43" (2/3) ... [2019-11-15 22:06:44,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d85734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:06:44, skipping insertion in model container [2019-11-15 22:06:44,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:06:44" (3/3) ... [2019-11-15 22:06:44,100 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1121b.c [2019-11-15 22:06:44,108 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:06:44,115 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 22:06:44,125 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 22:06:44,144 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:06:44,144 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:06:44,144 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:06:44,144 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:06:44,144 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:06:44,145 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:06:44,145 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:06:44,145 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:06:44,159 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2019-11-15 22:06:44,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 22:06:44,165 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:44,165 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:06:44,167 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:06:44,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:44,171 INFO L82 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2019-11-15 22:06:44,176 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:44,176 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206458783] [2019-11-15 22:06:44,177 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:44,177 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:44,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:44,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:06:44,272 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206458783] [2019-11-15 22:06:44,273 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:06:44,273 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 22:06:44,273 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079053304] [2019-11-15 22:06:44,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 22:06:44,277 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:06:44,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 22:06:44,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 22:06:44,292 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2019-11-15 22:06:44,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:44,313 INFO L93 Difference]: Finished difference Result 108 states and 190 transitions. [2019-11-15 22:06:44,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 22:06:44,314 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-15 22:06:44,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:44,324 INFO L225 Difference]: With dead ends: 108 [2019-11-15 22:06:44,324 INFO L226 Difference]: Without dead ends: 52 [2019-11-15 22:06:44,327 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 22:06:44,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-11-15 22:06:44,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-11-15 22:06:44,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-11-15 22:06:44,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2019-11-15 22:06:44,362 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2019-11-15 22:06:44,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:44,362 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2019-11-15 22:06:44,362 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 22:06:44,363 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2019-11-15 22:06:44,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-15 22:06:44,363 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:44,363 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:06:44,364 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:06:44,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:44,364 INFO L82 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2019-11-15 22:06:44,364 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:44,365 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831464720] [2019-11-15 22:06:44,365 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:44,365 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:44,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:06:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:06:44,569 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:06:44,572 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 22:06:44,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:06:44 BoogieIcfgContainer [2019-11-15 22:06:44,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:06:44,615 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:06:44,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:06:44,616 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:06:44,617 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:06:44" (3/4) ... [2019-11-15 22:06:44,620 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 22:06:44,620 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:06:44,622 INFO L168 Benchmark]: Toolchain (without parser) took 1621.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -109.0 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2019-11-15 22:06:44,623 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:06:44,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:06:44,625 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:06:44,625 INFO L168 Benchmark]: Boogie Preprocessor took 39.84 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. [2019-11-15 22:06:44,626 INFO L168 Benchmark]: RCFGBuilder took 652.11 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: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. [2019-11-15 22:06:44,627 INFO L168 Benchmark]: TraceAbstraction took 521.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:06:44,627 INFO L168 Benchmark]: Witness Printer took 4.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:06:44,634 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 347.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.84 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. * RCFGBuilder took 652.11 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: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 521.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 175]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 44, overapproximation of someUnaryDOUBLEoperation at line 170, overapproximation of bitwiseAnd at line 39, overapproximation of someBinaryArithmeticDOUBLEoperation at line 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 16, overapproximation of bitwiseXor at line 40. Possible FailurePath: [L18-L21] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={1:0}] [L169] double x = __VERIFIER_nondet_double(); [L170] double y = -0.0; [L24] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L25] __uint32_t lx, ly, lz; VAL [one_fmod=1, Zero_fmod={1:0}] [L28] ieee_double_shape_type ew_u; [L29] ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] (hx) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] (lx) = ew_u.parts.lsw [L34] ieee_double_shape_type ew_u; [L35] ew_u.value = (y) [L36] EXPR ew_u.parts.msw [L36] (hy) = ew_u.parts.msw [L37] EXPR ew_u.parts.lsw [L37] (ly) = ew_u.parts.lsw [L39] sx = hx & 0x80000000 [L40] hx ^= sx [L41] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={1:0}] [L43-L44] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L45] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={1:0}] [L171] double res = fmod_double(x, y); [L16] return x != x; VAL [one_fmod=1, Zero_fmod={1:0}] [L174] COND TRUE !isnan_double(res) [L175] __VERIFIER_error() VAL [one_fmod=1, Zero_fmod={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 81 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=55occurred 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-cad4683 [2019-11-15 22:06:46,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:06:46,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:06:46,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:06:46,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:06:46,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:06:46,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:06:46,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:06:46,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:06:46,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:06:46,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:06:46,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:06:46,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:06:46,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:06:46,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:06:46,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:06:46,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:06:46,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:06:46,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:06:46,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:06:46,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:06:46,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:06:46,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:06:46,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:06:46,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:06:46,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:06:46,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:06:46,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:06:46,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:06:46,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:06:46,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:06:46,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:06:46,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:06:46,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:06:46,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:06:46,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:06:46,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:06:46,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:06:46,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:06:46,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:06:46,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:06:46,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 22:06:46,722 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:06:46,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:06:46,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:06:46,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:06:46,724 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:06:46,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:06:46,725 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:06:46,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:06:46,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:06:46,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:06:46,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:06:46,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:06:46,726 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 22:06:46,726 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 22:06:46,726 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:06:46,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:06:46,727 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:06:46,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:06:46,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:06:46,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:06:46,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:06:46,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:06:46,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:06:46,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:06:46,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:06:46,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:06:46,729 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 22:06:46,729 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 22:06:46,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:06:46,730 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 22:06:46,730 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_2473f77e-6aea-404c-b0b6-2c814964bb07/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 -> 1c6c05365b181d4eacf1f0a2b19f094d722c4a6a [2019-11-15 22:06:46,759 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:06:46,769 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:06:46,772 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:06:46,774 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:06:46,774 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:06:46,775 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1121b.c [2019-11-15 22:06:46,816 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/bin/uautomizer/data/4740db122/ad309dd86543432bb361aef4b8ab7ce2/FLAG42e3d1673 [2019-11-15 22:06:47,225 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:06:47,226 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/sv-benchmarks/c/float-newlib/double_req_bl_1121b.c [2019-11-15 22:06:47,232 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/bin/uautomizer/data/4740db122/ad309dd86543432bb361aef4b8ab7ce2/FLAG42e3d1673 [2019-11-15 22:06:47,244 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/bin/uautomizer/data/4740db122/ad309dd86543432bb361aef4b8ab7ce2 [2019-11-15 22:06:47,246 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:06:47,247 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:06:47,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:06:47,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:06:47,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:06:47,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:06:47" (1/1) ... [2019-11-15 22:06:47,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cbb7b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:47, skipping insertion in model container [2019-11-15 22:06:47,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:06:47" (1/1) ... [2019-11-15 22:06:47,261 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:06:47,283 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:06:47,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:06:47,567 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:06:47,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:06:47,753 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:06:47,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:47 WrapperNode [2019-11-15 22:06:47,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:06:47,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:06:47,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:06:47,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:06:47,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:47" (1/1) ... [2019-11-15 22:06:47,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:47" (1/1) ... [2019-11-15 22:06:47,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:06:47,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:06:47,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:06:47,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:06:47,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:47" (1/1) ... [2019-11-15 22:06:47,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:47" (1/1) ... [2019-11-15 22:06:47,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:47" (1/1) ... [2019-11-15 22:06:47,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:47" (1/1) ... [2019-11-15 22:06:47,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:47" (1/1) ... [2019-11-15 22:06:47,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:47" (1/1) ... [2019-11-15 22:06:47,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:47" (1/1) ... [2019-11-15 22:06:47,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:06:47,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:06:47,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:06:47,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:06:47,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/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 [2019-11-15 22:06:47,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-15 22:06:47,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-15 22:06:47,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:06:47,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-11-15 22:06:47,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 22:06:47,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:06:47,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:06:47,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 22:06:47,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:06:51,512 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:06:51,512 INFO L284 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-15 22:06:51,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:06:51 BoogieIcfgContainer [2019-11-15 22:06:51,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:06:51,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:06:51,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:06:51,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:06:51,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:06:47" (1/3) ... [2019-11-15 22:06:51,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c3b2a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:06:51, skipping insertion in model container [2019-11-15 22:06:51,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:47" (2/3) ... [2019-11-15 22:06:51,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c3b2a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:06:51, skipping insertion in model container [2019-11-15 22:06:51,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:06:51" (3/3) ... [2019-11-15 22:06:51,519 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1121b.c [2019-11-15 22:06:51,526 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:06:51,532 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 22:06:51,539 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 22:06:51,559 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:06:51,559 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:06:51,559 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:06:51,560 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:06:51,560 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:06:51,560 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:06:51,560 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:06:51,560 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:06:51,573 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2019-11-15 22:06:51,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 22:06:51,577 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:51,578 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:06:51,579 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:06:51,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:51,584 INFO L82 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2019-11-15 22:06:51,594 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:06:51,594 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [947714992] [2019-11-15 22:06:51,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/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 [2019-11-15 22:06:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:52,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-15 22:06:52,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:06:52,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:06:52,528 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 22:06:52,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:06:52,534 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [947714992] [2019-11-15 22:06:52,534 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:06:52,535 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-15 22:06:52,535 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150584130] [2019-11-15 22:06:52,539 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 22:06:52,539 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 22:06:52,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 22:06:52,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 22:06:52,550 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2019-11-15 22:06:52,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:52,573 INFO L93 Difference]: Finished difference Result 108 states and 190 transitions. [2019-11-15 22:06:52,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 22:06:52,574 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-15 22:06:52,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:52,584 INFO L225 Difference]: With dead ends: 108 [2019-11-15 22:06:52,585 INFO L226 Difference]: Without dead ends: 52 [2019-11-15 22:06:52,588 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 22:06:52,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-11-15 22:06:52,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-11-15 22:06:52,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-11-15 22:06:52,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2019-11-15 22:06:52,624 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2019-11-15 22:06:52,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:52,624 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2019-11-15 22:06:52,624 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 22:06:52,624 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2019-11-15 22:06:52,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-15 22:06:52,625 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:52,626 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:06:52,841 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-15 22:06:52,841 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:06:52,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:52,842 INFO L82 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2019-11-15 22:06:52,844 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:06:52,844 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1843392026] [2019-11-15 22:06:52,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/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 [2019-11-15 22:06:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:55,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-15 22:06:55,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:07:05,506 WARN L191 SmtUtils]: Spent 4.27 s on a formula simplification that was a NOOP. DAG size: 9 [2019-11-15 22:07:05,509 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:07:15,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:07:15,444 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 22:07:28,094 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_fmod_double_~x (_ FloatingPoint 11 53))) (not (let ((.cse0 (let ((.cse1 (fp.mul roundNearestTiesToEven ULTIMATE.start_fmod_double_~x c_ULTIMATE.start_fmod_double_~y))) (fp.div roundNearestTiesToEven .cse1 .cse1)))) (fp.eq .cse0 .cse0)))) is different from true [2019-11-15 22:07:29,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:07:29,072 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1843392026] [2019-11-15 22:07:29,073 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:07:29,073 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-15 22:07:29,073 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994470400] [2019-11-15 22:07:29,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 22:07:29,075 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 22:07:29,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 22:07:29,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=51, Unknown=5, NotChecked=14, Total=90 [2019-11-15 22:07:29,076 INFO L87 Difference]: Start difference. First operand 52 states and 78 transitions. Second operand 10 states. [2019-11-15 22:07:32,626 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start_fmod_double_~x (_ FloatingPoint 11 53))) (not (let ((.cse0 (let ((.cse1 (fp.mul roundNearestTiesToEven ULTIMATE.start_fmod_double_~x c_ULTIMATE.start_fmod_double_~y))) (fp.div roundNearestTiesToEven .cse1 .cse1)))) (fp.eq .cse0 .cse0)))) (= c_ULTIMATE.start_fmod_double_~y (fp.neg (_ +zero 11 53)))) is different from true [2019-11-15 22:07:54,180 WARN L191 SmtUtils]: Spent 7.72 s on a formula simplification that was a NOOP. DAG size: 13 [2019-11-15 22:08:10,283 WARN L191 SmtUtils]: Spent 9.70 s on a formula simplification that was a NOOP. DAG size: 15 [2019-11-15 22:08:10,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:08:10,352 INFO L93 Difference]: Finished difference Result 57 states and 82 transitions. [2019-11-15 22:08:10,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:08:10,353 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2019-11-15 22:08:10,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:08:10,354 INFO L225 Difference]: With dead ends: 57 [2019-11-15 22:08:10,354 INFO L226 Difference]: Without dead ends: 52 [2019-11-15 22:08:10,355 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 68.2s TimeCoverageRelationStatistics Valid=37, Invalid=71, Unknown=10, NotChecked=38, Total=156 [2019-11-15 22:08:10,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-11-15 22:08:10,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-11-15 22:08:10,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-11-15 22:08:10,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2019-11-15 22:08:10,364 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 77 transitions. Word has length 12 [2019-11-15 22:08:10,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:08:10,364 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 77 transitions. [2019-11-15 22:08:10,364 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 22:08:10,364 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2019-11-15 22:08:10,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-15 22:08:10,366 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:08:10,366 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:08:10,566 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-15 22:08:10,567 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:08:10,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:08:10,567 INFO L82 PathProgramCache]: Analyzing trace with hash -910533226, now seen corresponding path program 1 times [2019-11-15 22:08:10,568 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:08:10,568 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1081021175] [2019-11-15 22:08:10,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/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 [2019-11-15 22:08:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:08:10,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-15 22:08:10,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:08:10,820 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2019-11-15 22:08:10,842 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 22:08:10,845 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 27 [2019-11-15 22:08:10,846 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 22:08:10,860 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:08:10,870 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:08:10,870 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 12 [2019-11-15 22:08:10,871 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-15 22:08:10,874 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:08:10,875 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:08:10,889 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:08:10,890 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 22:08:10,890 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:47, output treesize:19 [2019-11-15 22:08:10,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:08:10,945 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 22:08:11,043 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:08:11,044 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 50 treesize of output 48 [2019-11-15 22:08:11,081 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:08:11,082 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 31 treesize of output 35 [2019-11-15 22:08:11,083 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 22:08:11,098 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:08:11,113 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:08:11,113 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 19 [2019-11-15 22:08:11,114 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-15 22:08:11,119 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:08:11,120 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:08:11,130 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:08:11,131 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 22:08:11,132 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:60, output treesize:20 [2019-11-15 22:08:11,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:08:11,177 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1081021175] [2019-11-15 22:08:11,177 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:08:11,177 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-15 22:08:11,178 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791854599] [2019-11-15 22:08:11,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 22:08:11,178 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 22:08:11,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 22:08:11,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:08:11,179 INFO L87 Difference]: Start difference. First operand 52 states and 77 transitions. Second operand 8 states. [2019-11-15 22:08:11,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:08:11,315 INFO L93 Difference]: Finished difference Result 52 states and 77 transitions. [2019-11-15 22:08:11,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 22:08:11,316 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2019-11-15 22:08:11,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:08:11,316 INFO L225 Difference]: With dead ends: 52 [2019-11-15 22:08:11,316 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 22:08:11,317 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-11-15 22:08:11,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 22:08:11,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 22:08:11,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 22:08:11,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 22:08:11,318 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-11-15 22:08:11,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:08:11,318 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:08:11,318 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 22:08:11,318 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 22:08:11,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 22:08:11,519 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-15 22:08:11,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 22:08:15,779 WARN L191 SmtUtils]: Spent 4.21 s on a formula simplification that was a NOOP. DAG size: 9 [2019-11-15 22:08:21,288 WARN L191 SmtUtils]: Spent 5.51 s on a formula simplification that was a NOOP. DAG size: 13 [2019-11-15 22:08:25,721 WARN L191 SmtUtils]: Spent 4.42 s on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2019-11-15 22:08:25,727 INFO L443 ceAbstractionStarter]: For program point L118(lines 118 119) no Hoare annotation was computed. [2019-11-15 22:08:25,727 INFO L443 ceAbstractionStarter]: For program point L118-2(lines 23 161) no Hoare annotation was computed. [2019-11-15 22:08:25,727 INFO L443 ceAbstractionStarter]: For program point L69-2(lines 69 70) no Hoare annotation was computed. [2019-11-15 22:08:25,728 INFO L439 ceAbstractionStarter]: At program point L69-3(lines 69 70) the Hoare annotation is: false [2019-11-15 22:08:25,728 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 22:08:25,728 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 157) no Hoare annotation was computed. [2019-11-15 22:08:25,728 INFO L443 ceAbstractionStarter]: For program point L152-1(lines 140 159) no Hoare annotation was computed. [2019-11-15 22:08:25,728 INFO L443 ceAbstractionStarter]: For program point L152-2(lines 152 157) no Hoare annotation was computed. [2019-11-15 22:08:25,728 INFO L443 ceAbstractionStarter]: For program point L53(lines 23 161) no Hoare annotation was computed. [2019-11-15 22:08:25,729 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 23 161) no Hoare annotation was computed. [2019-11-15 22:08:25,729 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 60) no Hoare annotation was computed. [2019-11-15 22:08:25,729 INFO L443 ceAbstractionStarter]: For program point L104(lines 104 105) no Hoare annotation was computed. [2019-11-15 22:08:25,729 INFO L443 ceAbstractionStarter]: For program point L104-2(lines 101 115) no Hoare annotation was computed. [2019-11-15 22:08:25,729 INFO L443 ceAbstractionStarter]: For program point L55-2(lines 55 56) no Hoare annotation was computed. [2019-11-15 22:08:25,729 INFO L439 ceAbstractionStarter]: At program point L55-3(lines 55 56) the Hoare annotation is: false [2019-11-15 22:08:25,730 INFO L439 ceAbstractionStarter]: At program point L106-1(lines 101 115) the Hoare annotation is: false [2019-11-15 22:08:25,730 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 22:08:25,730 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-11-15 22:08:25,730 INFO L443 ceAbstractionStarter]: For program point L91-2(lines 87 98) no Hoare annotation was computed. [2019-11-15 22:08:25,730 INFO L443 ceAbstractionStarter]: For program point L58-2(lines 58 59) no Hoare annotation was computed. [2019-11-15 22:08:25,730 INFO L439 ceAbstractionStarter]: At program point L58-3(lines 58 59) the Hoare annotation is: false [2019-11-15 22:08:25,730 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2019-11-15 22:08:25,730 INFO L443 ceAbstractionStarter]: For program point L174(lines 174 177) no Hoare annotation was computed. [2019-11-15 22:08:25,730 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-15 22:08:25,731 INFO L443 ceAbstractionStarter]: For program point L142(lines 142 151) no Hoare annotation was computed. [2019-11-15 22:08:25,731 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 45) no Hoare annotation was computed. [2019-11-15 22:08:25,731 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2019-11-15 22:08:25,731 INFO L439 ceAbstractionStarter]: At program point L27-2(lines 27 32) the Hoare annotation is: (= ULTIMATE.start_fmod_double_~y (fp.neg (_ +zero 11 53))) [2019-11-15 22:08:25,731 INFO L443 ceAbstractionStarter]: For program point L110(lines 110 111) no Hoare annotation was computed. [2019-11-15 22:08:25,731 INFO L439 ceAbstractionStarter]: At program point L160(lines 23 161) the Hoare annotation is: (exists ((ULTIMATE.start_fmod_double_~x (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_fmod_double_~x (fp.neg (_ +zero 11 53))))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_double_#res|)) [2019-11-15 22:08:25,732 INFO L439 ceAbstractionStarter]: At program point L127-2(lines 127 131) the Hoare annotation is: false [2019-11-15 22:08:25,732 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 22:08:25,732 INFO L443 ceAbstractionStarter]: For program point L127-3(lines 23 161) no Hoare annotation was computed. [2019-11-15 22:08:25,732 INFO L443 ceAbstractionStarter]: For program point L145(lines 145 151) no Hoare annotation was computed. [2019-11-15 22:08:25,732 INFO L443 ceAbstractionStarter]: For program point L79(lines 79 85) no Hoare annotation was computed. [2019-11-15 22:08:25,732 INFO L443 ceAbstractionStarter]: For program point L46(lines 46 51) no Hoare annotation was computed. [2019-11-15 22:08:25,732 INFO L443 ceAbstractionStarter]: For program point L79-2(lines 23 161) no Hoare annotation was computed. [2019-11-15 22:08:25,733 INFO L443 ceAbstractionStarter]: For program point L46-2(lines 23 161) no Hoare annotation was computed. [2019-11-15 22:08:25,733 INFO L446 ceAbstractionStarter]: At program point L179(lines 163 180) the Hoare annotation is: true [2019-11-15 22:08:25,733 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 48) no Hoare annotation was computed. [2019-11-15 22:08:25,733 INFO L443 ceAbstractionStarter]: For program point L64(lines 23 161) no Hoare annotation was computed. [2019-11-15 22:08:25,733 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-11-15 22:08:25,733 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 22:08:25,733 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2019-11-15 22:08:25,734 INFO L439 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: (and (exists ((ULTIMATE.start_fmod_double_~x (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_fmod_double_~x (fp.neg (_ +zero 11 53))))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_double_#res|)) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) [2019-11-15 22:08:25,734 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 159) no Hoare annotation was computed. [2019-11-15 22:08:25,734 INFO L443 ceAbstractionStarter]: For program point L33(lines 33 38) no Hoare annotation was computed. [2019-11-15 22:08:25,734 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 23 161) no Hoare annotation was computed. [2019-11-15 22:08:25,734 INFO L443 ceAbstractionStarter]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2019-11-15 22:08:25,734 INFO L443 ceAbstractionStarter]: For program point L33-2(lines 33 38) no Hoare annotation was computed. [2019-11-15 22:08:25,735 INFO L439 ceAbstractionStarter]: At program point L66-3(lines 66 67) the Hoare annotation is: false [2019-11-15 22:08:25,735 INFO L443 ceAbstractionStarter]: For program point L134-1(lines 134 139) no Hoare annotation was computed. [2019-11-15 22:08:25,735 INFO L443 ceAbstractionStarter]: For program point L101-1(lines 101 115) no Hoare annotation was computed. [2019-11-15 22:08:25,735 INFO L439 ceAbstractionStarter]: At program point L134-2(lines 134 139) the Hoare annotation is: false [2019-11-15 22:08:25,735 INFO L443 ceAbstractionStarter]: For program point L101-3(lines 101 115) no Hoare annotation was computed. [2019-11-15 22:08:25,744 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:08:25,745 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:08:25,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-11-15 22:08:25,745 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:08:25,746 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-11-15 22:08:25,748 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:08:25,748 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:08:25,748 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-11-15 22:08:25,749 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:08:25,749 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-11-15 22:08:25,750 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:08:25,750 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:08:25,750 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-11-15 22:08:25,751 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:08:25,751 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-11-15 22:08:25,752 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:08:25,752 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:08:25,752 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-11-15 22:08:25,752 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:08:25,753 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-11-15 22:08:25,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:08:25 BoogieIcfgContainer [2019-11-15 22:08:25,756 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:08:25,756 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:08:25,756 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:08:25,757 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:08:25,757 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:06:51" (3/4) ... [2019-11-15 22:08:25,761 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 22:08:25,774 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-15 22:08:25,774 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-15 22:08:25,817 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2473f77e-6aea-404c-b0b6-2c814964bb07/bin/uautomizer/witness.graphml [2019-11-15 22:08:25,817 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:08:25,819 INFO L168 Benchmark]: Toolchain (without parser) took 98571.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 952.3 MB in the beginning and 927.8 MB in the end (delta: 24.5 MB). Peak memory consumption was 139.3 MB. Max. memory is 11.5 GB. [2019-11-15 22:08:25,819 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:08:25,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 505.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -150.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:08:25,820 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:08:25,821 INFO L168 Benchmark]: Boogie Preprocessor took 71.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:08:25,822 INFO L168 Benchmark]: RCFGBuilder took 3621.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.1 MB). Peak memory consumption was 41.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:08:25,822 INFO L168 Benchmark]: TraceAbstraction took 94241.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 927.8 MB in the end (delta: 124.6 MB). Peak memory consumption was 124.6 MB. Max. memory is 11.5 GB. [2019-11-15 22:08:25,823 INFO L168 Benchmark]: Witness Printer took 61.00 ms. Allocated memory is still 1.1 GB. Free memory is still 927.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:08:25,825 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 505.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -150.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3621.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.1 MB). Peak memory consumption was 41.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 94241.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 927.8 MB in the end (delta: 124.6 MB). Peak memory consumption was 124.6 MB. Max. memory is 11.5 GB. * Witness Printer took 61.00 ms. Allocated memory is still 1.1 GB. Free memory is still 927.8 MB. 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~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_double_~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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~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_double_~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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~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_double_~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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~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_double_~x,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: 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: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant [2019-11-15 22:08:25,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:08:25,835 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:08:25,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-11-15 22:08:25,835 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:08:25,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-11-15 22:08:25,836 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:08:25,836 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:08:25,836 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-11-15 22:08:25,836 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:08:25,837 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start_fmod_double_~x : C_DOUBLE :: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())), ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) == \result) - InvariantResult [Line: 16]: Loop Invariant [2019-11-15 22:08:25,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:08:25,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:08:25,838 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-11-15 22:08:25,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:08:25,838 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-11-15 22:08:25,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:08:25,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:08:25,839 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] [2019-11-15 22:08:25,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:08:25,839 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~x,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start_fmod_double_~x : C_DOUBLE :: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())), ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) == \result) && 1bv32 == \result - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 1 error locations. Result: SAFE, OverallTime: 94.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 41.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.2s, HoareTripleCheckerStatistics: 160 SDtfs, 9 SDslu, 415 SDs, 0 SdLazy, 30 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 68.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred 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, 11 LocationsWithAnnotation, 11 PreInvPairs, 15 NumberOfFragments, 46 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 24 FormulaSimplificationTreeSizeReductionInter, 14.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 34.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 13 QuantifiedInterpolants, 4561 SizeOfPredicates, 16 NumberOfNonLiveVariables, 179 ConjunctsInSsa, 22 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...