./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/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 e244339627025cb250c22854e0eaa32467bc4188 ........................................................................................................................................................................................................................................................................................... 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_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/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 e244339627025cb250c22854e0eaa32467bc4188 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 09:44:51,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:44:51,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:44:51,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:44:51,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:44:51,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:44:51,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:44:51,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:44:51,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:44:51,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:44:51,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:44:51,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:44:51,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:44:51,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:44:51,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:44:51,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:44:51,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:44:51,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:44:51,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:44:51,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:44:51,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:44:51,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:44:51,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:44:51,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:44:51,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:44:51,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:44:51,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:44:51,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:44:51,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:44:51,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:44:51,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:44:51,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:44:51,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:44:51,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:44:51,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:44:51,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:44:51,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:44:51,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:44:51,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:44:51,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:44:51,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:44:51,635 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 09:44:51,665 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:44:51,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:44:51,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:44:51,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:44:51,680 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:44:51,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:44:51,680 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 09:44:51,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:44:51,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 09:44:51,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:44:51,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 09:44:51,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 09:44:51,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 09:44:51,682 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 09:44:51,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:44:51,683 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:44:51,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 09:44:51,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:44:51,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:44:51,684 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 09:44:51,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 09:44:51,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:44:51,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:44:51,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 09:44:51,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 09:44:51,686 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 09:44:51,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 09:44:51,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 09:44:51,687 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_254af35e-8ee4-40a4-9c41-af882637f89a/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 -> e244339627025cb250c22854e0eaa32467bc4188 [2019-11-20 09:44:51,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:44:51,885 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:44:51,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:44:51,890 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:44:51,891 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:44:51,892 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2019-11-20 09:44:51,973 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/data/9c3faecc1/270a45b39de4417698a2b15daaf6f3e8/FLAGbccf0f42b [2019-11-20 09:44:52,462 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:44:52,463 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2019-11-20 09:44:52,476 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/data/9c3faecc1/270a45b39de4417698a2b15daaf6f3e8/FLAGbccf0f42b [2019-11-20 09:44:52,789 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/data/9c3faecc1/270a45b39de4417698a2b15daaf6f3e8 [2019-11-20 09:44:52,792 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:44:52,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:44:52,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:44:52,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:44:52,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:44:52,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:44:52" (1/1) ... [2019-11-20 09:44:52,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18fc67ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:52, skipping insertion in model container [2019-11-20 09:44:52,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:44:52" (1/1) ... [2019-11-20 09:44:52,810 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:44:52,846 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:44:53,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:44:53,199 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:44:53,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:44:53,291 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:44:53,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:53 WrapperNode [2019-11-20 09:44:53,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:44:53,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:44:53,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:44:53,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:44:53,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:53" (1/1) ... [2019-11-20 09:44:53,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:53" (1/1) ... [2019-11-20 09:44:53,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:44:53,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:44:53,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:44:53,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:44:53,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:53" (1/1) ... [2019-11-20 09:44:53,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:53" (1/1) ... [2019-11-20 09:44:53,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:53" (1/1) ... [2019-11-20 09:44:53,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:53" (1/1) ... [2019-11-20 09:44:53,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:53" (1/1) ... [2019-11-20 09:44:53,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:53" (1/1) ... [2019-11-20 09:44:53,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:53" (1/1) ... [2019-11-20 09:44:53,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:44:53,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:44:53,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:44:53,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:44:53,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:44:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 09:44:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 09:44:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 09:44:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 09:44:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:44:53,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:44:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 09:44:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 09:44:54,071 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:44:54,071 INFO L285 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-20 09:44:54,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:44:54 BoogieIcfgContainer [2019-11-20 09:44:54,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:44:54,073 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 09:44:54,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 09:44:54,076 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 09:44:54,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:44:52" (1/3) ... [2019-11-20 09:44:54,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be79cfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:44:54, skipping insertion in model container [2019-11-20 09:44:54,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:53" (2/3) ... [2019-11-20 09:44:54,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be79cfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:44:54, skipping insertion in model container [2019-11-20 09:44:54,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:44:54" (3/3) ... [2019-11-20 09:44:54,079 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b.c [2019-11-20 09:44:54,088 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 09:44:54,095 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 09:44:54,102 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 09:44:54,125 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 09:44:54,125 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 09:44:54,125 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 09:44:54,126 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:44:54,126 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:44:54,126 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 09:44:54,126 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:44:54,126 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 09:44:54,142 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2019-11-20 09:44:54,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 09:44:54,148 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:44:54,148 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:44:54,149 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:44:54,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:44:54,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2019-11-20 09:44:54,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:44:54,161 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883102336] [2019-11-20 09:44:54,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:44:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:44:54,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:44:54,290 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883102336] [2019-11-20 09:44:54,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:44:54,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 09:44:54,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248296162] [2019-11-20 09:44:54,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 09:44:54,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:44:54,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 09:44:54,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 09:44:54,315 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2019-11-20 09:44:54,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:44:54,354 INFO L93 Difference]: Finished difference Result 118 states and 192 transitions. [2019-11-20 09:44:54,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 09:44:54,355 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-20 09:44:54,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:44:54,371 INFO L225 Difference]: With dead ends: 118 [2019-11-20 09:44:54,371 INFO L226 Difference]: Without dead ends: 57 [2019-11-20 09:44:54,377 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 09:44:54,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-20 09:44:54,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-20 09:44:54,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-20 09:44:54,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2019-11-20 09:44:54,427 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2019-11-20 09:44:54,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:44:54,428 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2019-11-20 09:44:54,428 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 09:44:54,428 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-11-20 09:44:54,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 09:44:54,429 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:44:54,429 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:44:54,430 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:44:54,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:44:54,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2019-11-20 09:44:54,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:44:54,431 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29453231] [2019-11-20 09:44:54,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:44:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:44:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:44:54,524 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:44:54,524 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 09:44:54,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:44:54 BoogieIcfgContainer [2019-11-20 09:44:54,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 09:44:54,574 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:44:54,574 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:44:54,574 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:44:54,574 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:44:54" (3/4) ... [2019-11-20 09:44:54,577 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 09:44:54,577 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:44:54,580 INFO L168 Benchmark]: Toolchain (without parser) took 1786.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -120.7 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-11-20 09:44:54,580 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:44:54,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 498.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -186.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 09:44:54,582 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:44:54,583 INFO L168 Benchmark]: Boogie Preprocessor took 48.50 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. [2019-11-20 09:44:54,583 INFO L168 Benchmark]: RCFGBuilder took 668.01 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2019-11-20 09:44:54,584 INFO L168 Benchmark]: TraceAbstraction took 500.17 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. [2019-11-20 09:44:54,584 INFO L168 Benchmark]: Witness Printer took 4.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:44:54,588 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 498.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -186.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.92 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 48.50 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 668.01 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 500.17 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 4.07 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: 198]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 197, overapproximation of someUnaryDOUBLEoperation at line 111, overapproximation of bitwiseAnd at line 125, overapproximation of someUnaryFLOAToperation at line 109, overapproximation of someBinaryArithmeticFLOAToperation at line 128. Possible FailurePath: [L24] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L107-L115] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L193] float x = 0.0f; [L118] float t, w, p, q, c, r, s; [L119] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L121] ieee_float_shape_type gf_u; [L122] gf_u.value = (x) [L123] EXPR gf_u.word [L123] (hx) = gf_u.word [L125] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L126] COND TRUE ix == 0x3f800000 [L128] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L194] float res = __ieee754_asinf(x); [L197] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L197] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L198] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 78 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=60occurred 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 09:44:56,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:44:56,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:44:56,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:44:56,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:44:56,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:44:56,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:44:56,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:44:56,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:44:56,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:44:56,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:44:56,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:44:56,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:44:56,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:44:56,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:44:56,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:44:56,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:44:56,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:44:56,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:44:56,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:44:56,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:44:56,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:44:56,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:44:56,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:44:56,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:44:56,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:44:56,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:44:56,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:44:56,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:44:56,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:44:56,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:44:56,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:44:56,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:44:56,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:44:56,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:44:56,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:44:56,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:44:56,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:44:56,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:44:56,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:44:56,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:44:56,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 09:44:56,852 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:44:56,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:44:56,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:44:56,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:44:56,858 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:44:56,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:44:56,859 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 09:44:56,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 09:44:56,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:44:56,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 09:44:56,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 09:44:56,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 09:44:56,862 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 09:44:56,862 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 09:44:56,863 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 09:44:56,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:44:56,863 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:44:56,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 09:44:56,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:44:56,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:44:56,867 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 09:44:56,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 09:44:56,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:44:56,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:44:56,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 09:44:56,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 09:44:56,871 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 09:44:56,872 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 09:44:56,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 09:44:56,872 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 09:44:56,873 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_254af35e-8ee4-40a4-9c41-af882637f89a/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 -> e244339627025cb250c22854e0eaa32467bc4188 [2019-11-20 09:44:57,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:44:57,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:44:57,215 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:44:57,217 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:44:57,217 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:44:57,218 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2019-11-20 09:44:57,290 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/data/20cb94e8c/c946067ec50646f39e886bf8cd86e0e0/FLAGc1b11c5a7 [2019-11-20 09:44:57,799 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:44:57,799 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2019-11-20 09:44:57,807 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/data/20cb94e8c/c946067ec50646f39e886bf8cd86e0e0/FLAGc1b11c5a7 [2019-11-20 09:44:58,127 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/data/20cb94e8c/c946067ec50646f39e886bf8cd86e0e0 [2019-11-20 09:44:58,130 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:44:58,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:44:58,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:44:58,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:44:58,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:44:58,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:44:58" (1/1) ... [2019-11-20 09:44:58,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ba63b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:58, skipping insertion in model container [2019-11-20 09:44:58,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:44:58" (1/1) ... [2019-11-20 09:44:58,165 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:44:58,213 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:44:58,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:44:58,532 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:44:58,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:44:58,701 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:44:58,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:58 WrapperNode [2019-11-20 09:44:58,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:44:58,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:44:58,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:44:58,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:44:58,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:58" (1/1) ... [2019-11-20 09:44:58,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:58" (1/1) ... [2019-11-20 09:44:58,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:44:58,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:44:58,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:44:58,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:44:58,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:58" (1/1) ... [2019-11-20 09:44:58,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:58" (1/1) ... [2019-11-20 09:44:58,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:58" (1/1) ... [2019-11-20 09:44:58,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:58" (1/1) ... [2019-11-20 09:44:58,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:58" (1/1) ... [2019-11-20 09:44:58,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:58" (1/1) ... [2019-11-20 09:44:58,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:58" (1/1) ... [2019-11-20 09:44:58,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:44:58,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:44:58,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:44:58,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:44:58,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:44:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 09:44:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-20 09:44:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 09:44:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:44:58,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:44:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-20 09:44:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 09:44:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 09:45:09,453 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:45:09,454 INFO L285 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-20 09:45:09,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:45:09 BoogieIcfgContainer [2019-11-20 09:45:09,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:45:09,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 09:45:09,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 09:45:09,460 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 09:45:09,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:44:58" (1/3) ... [2019-11-20 09:45:09,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b69407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:45:09, skipping insertion in model container [2019-11-20 09:45:09,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:44:58" (2/3) ... [2019-11-20 09:45:09,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b69407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:45:09, skipping insertion in model container [2019-11-20 09:45:09,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:45:09" (3/3) ... [2019-11-20 09:45:09,463 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b.c [2019-11-20 09:45:09,474 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 09:45:09,483 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 09:45:09,496 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 09:45:09,536 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 09:45:09,537 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 09:45:09,537 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 09:45:09,537 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:45:09,538 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:45:09,538 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 09:45:09,538 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:45:09,538 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 09:45:09,563 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2019-11-20 09:45:09,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 09:45:09,571 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:45:09,572 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:45:09,572 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:45:09,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:45:09,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2019-11-20 09:45:09,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 09:45:09,591 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [690876804] [2019-11-20 09:45:09,591 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-20 09:45:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:45:09,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 09:45:09,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:45:09,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:45:09,974 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 09:45:09,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:45:09,985 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [690876804] [2019-11-20 09:45:09,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:45:09,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 09:45:09,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968764216] [2019-11-20 09:45:09,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 09:45:09,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 09:45:10,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 09:45:10,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 09:45:10,010 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2019-11-20 09:45:10,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:45:10,037 INFO L93 Difference]: Finished difference Result 118 states and 192 transitions. [2019-11-20 09:45:10,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 09:45:10,039 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-20 09:45:10,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:45:10,058 INFO L225 Difference]: With dead ends: 118 [2019-11-20 09:45:10,059 INFO L226 Difference]: Without dead ends: 57 [2019-11-20 09:45:10,062 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 09:45:10,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-20 09:45:10,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-20 09:45:10,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-20 09:45:10,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2019-11-20 09:45:10,101 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2019-11-20 09:45:10,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:45:10,102 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2019-11-20 09:45:10,102 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 09:45:10,102 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-11-20 09:45:10,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 09:45:10,103 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:45:10,103 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:45:10,304 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 09:45:10,312 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:45:10,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:45:10,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2019-11-20 09:45:10,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 09:45:10,313 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [912926595] [2019-11-20 09:45:10,313 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-20 09:45:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:45:10,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 09:45:10,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:45:10,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:45:10,694 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 09:45:10,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:45:10,769 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [912926595] [2019-11-20 09:45:10,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:45:10,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-20 09:45:10,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122459490] [2019-11-20 09:45:10,772 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 09:45:10,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 09:45:10,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 09:45:10,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-20 09:45:10,773 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. Second operand 8 states. [2019-11-20 09:45:12,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:45:12,033 INFO L93 Difference]: Finished difference Result 104 states and 135 transitions. [2019-11-20 09:45:12,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 09:45:12,035 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2019-11-20 09:45:12,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:45:12,037 INFO L225 Difference]: With dead ends: 104 [2019-11-20 09:45:12,037 INFO L226 Difference]: Without dead ends: 57 [2019-11-20 09:45:12,039 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-20 09:45:12,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-20 09:45:12,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-20 09:45:12,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-20 09:45:12,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2019-11-20 09:45:12,051 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 10 [2019-11-20 09:45:12,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:45:12,051 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2019-11-20 09:45:12,051 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 09:45:12,052 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2019-11-20 09:45:12,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 09:45:12,052 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:45:12,053 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:45:12,275 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 09:45:12,275 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:45:12,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:45:12,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1089938183, now seen corresponding path program 1 times [2019-11-20 09:45:12,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 09:45:12,277 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1899548425] [2019-11-20 09:45:12,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-20 09:45:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:45:12,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 09:45:12,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:45:12,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:45:12,475 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 09:45:12,477 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 09:45:12,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:45:12,523 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1899548425] [2019-11-20 09:45:12,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:45:12,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2019-11-20 09:45:12,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118323471] [2019-11-20 09:45:12,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 09:45:12,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 09:45:12,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 09:45:12,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-20 09:45:12,526 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand 7 states. [2019-11-20 09:45:12,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:45:12,786 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2019-11-20 09:45:12,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 09:45:12,787 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2019-11-20 09:45:12,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:45:12,788 INFO L225 Difference]: With dead ends: 69 [2019-11-20 09:45:12,788 INFO L226 Difference]: Without dead ends: 66 [2019-11-20 09:45:12,789 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-11-20 09:45:12,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-11-20 09:45:12,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 59. [2019-11-20 09:45:12,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-11-20 09:45:12,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2019-11-20 09:45:12,802 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 14 [2019-11-20 09:45:12,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:45:12,803 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2019-11-20 09:45:12,803 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 09:45:12,803 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2019-11-20 09:45:12,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 09:45:12,804 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:45:12,805 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:45:13,020 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 09:45:13,021 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:45:13,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:45:13,025 INFO L82 PathProgramCache]: Analyzing trace with hash 980104924, now seen corresponding path program 1 times [2019-11-20 09:45:13,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 09:45:13,026 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [154079796] [2019-11-20 09:45:13,026 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-20 09:45:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:45:13,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 09:45:13,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:45:13,259 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 09:45:13,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:45:13,324 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 09:45:13,326 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 09:45:13,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:45:13,610 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [154079796] [2019-11-20 09:45:13,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:45:13,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2019-11-20 09:45:13,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760696651] [2019-11-20 09:45:13,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-20 09:45:13,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 09:45:13,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-20 09:45:13,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-11-20 09:45:13,612 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand 14 states. [2019-11-20 09:45:14,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:45:14,158 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2019-11-20 09:45:14,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 09:45:14,159 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2019-11-20 09:45:14,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:45:14,161 INFO L225 Difference]: With dead ends: 66 [2019-11-20 09:45:14,161 INFO L226 Difference]: Without dead ends: 57 [2019-11-20 09:45:14,162 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2019-11-20 09:45:14,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-20 09:45:14,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-20 09:45:14,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-20 09:45:14,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions. [2019-11-20 09:45:14,171 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 68 transitions. Word has length 18 [2019-11-20 09:45:14,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:45:14,171 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 68 transitions. [2019-11-20 09:45:14,171 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-20 09:45:14,171 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2019-11-20 09:45:14,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 09:45:14,173 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:45:14,173 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:45:14,376 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-20 09:45:14,384 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:45:14,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:45:14,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1296197232, now seen corresponding path program 1 times [2019-11-20 09:45:14,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 09:45:14,386 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924088190] [2019-11-20 09:45:14,386 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-20 09:45:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:45:16,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 09:45:16,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:45:16,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:45:16,523 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 09:45:16,842 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-11-20 09:45:16,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:45:16,937 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924088190] [2019-11-20 09:45:16,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:45:16,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-20 09:45:16,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007846116] [2019-11-20 09:45:16,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 09:45:16,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 09:45:16,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 09:45:16,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-20 09:45:16,940 INFO L87 Difference]: Start difference. First operand 57 states and 68 transitions. Second operand 6 states. [2019-11-20 09:45:17,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:45:17,040 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions. [2019-11-20 09:45:17,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 09:45:17,042 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-20 09:45:17,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:45:17,043 INFO L225 Difference]: With dead ends: 57 [2019-11-20 09:45:17,043 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 09:45:17,043 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-20 09:45:17,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 09:45:17,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 09:45:17,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 09:45:17,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 09:45:17,044 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-11-20 09:45:17,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:45:17,044 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:45:17,045 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 09:45:17,045 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 09:45:17,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 09:45:17,246 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-20 09:45:17,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 09:45:17,508 INFO L444 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2019-11-20 09:45:17,508 INFO L440 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: false [2019-11-20 09:45:17,508 INFO L444 ceAbstractionStarter]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2019-11-20 09:45:17,508 INFO L444 ceAbstractionStarter]: For program point L168(lines 168 172) no Hoare annotation was computed. [2019-11-20 09:45:17,508 INFO L444 ceAbstractionStarter]: For program point L168-1(lines 160 178) no Hoare annotation was computed. [2019-11-20 09:45:17,509 INFO L444 ceAbstractionStarter]: For program point L168-2(lines 168 172) no Hoare annotation was computed. [2019-11-20 09:45:17,509 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 09:45:17,509 INFO L447 ceAbstractionStarter]: At program point L202(lines 185 203) the Hoare annotation is: true [2019-11-20 09:45:17,509 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2019-11-20 09:45:17,509 INFO L440 ceAbstractionStarter]: At program point L120-2(lines 120 124) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0) (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (= ULTIMATE.start___ieee754_asinf_~x (_ +zero 8 24))) [2019-11-20 09:45:17,510 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2019-11-20 09:45:17,510 INFO L444 ceAbstractionStarter]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2019-11-20 09:45:17,510 INFO L440 ceAbstractionStarter]: At program point L21(lines 12 22) the Hoare annotation is: (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= ULTIMATE.start___ieee754_asinf_~x (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32)) |ULTIMATE.start_main_#t~short21| (= |ULTIMATE.start___ieee754_asinf_#res| (_ +zero 8 24))) [2019-11-20 09:45:17,510 INFO L444 ceAbstractionStarter]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2019-11-20 09:45:17,510 INFO L440 ceAbstractionStarter]: At program point L104(lines 92 105) the Hoare annotation is: false [2019-11-20 09:45:17,510 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2019-11-20 09:45:17,511 INFO L444 ceAbstractionStarter]: For program point L73(lines 73 82) no Hoare annotation was computed. [2019-11-20 09:45:17,511 INFO L440 ceAbstractionStarter]: At program point L90(lines 26 91) the Hoare annotation is: false [2019-11-20 09:45:17,511 INFO L444 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2019-11-20 09:45:17,511 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 09:45:17,511 INFO L444 ceAbstractionStarter]: For program point L157(lines 157 178) no Hoare annotation was computed. [2019-11-20 09:45:17,511 INFO L444 ceAbstractionStarter]: For program point L157-2(lines 117 183) no Hoare annotation was computed. [2019-11-20 09:45:17,511 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-11-20 09:45:17,511 INFO L444 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2019-11-20 09:45:17,512 INFO L444 ceAbstractionStarter]: For program point L126(lines 126 146) no Hoare annotation was computed. [2019-11-20 09:45:17,512 INFO L444 ceAbstractionStarter]: For program point L77(lines 77 80) no Hoare annotation was computed. [2019-11-20 09:45:17,512 INFO L444 ceAbstractionStarter]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2019-11-20 09:45:17,512 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 09:45:17,512 INFO L440 ceAbstractionStarter]: At program point L94-2(lines 94 98) the Hoare annotation is: false [2019-11-20 09:45:17,512 INFO L440 ceAbstractionStarter]: At program point L62-2(lines 62 71) the Hoare annotation is: false [2019-11-20 09:45:17,513 INFO L444 ceAbstractionStarter]: For program point L62-3(lines 26 91) no Hoare annotation was computed. [2019-11-20 09:45:17,513 INFO L444 ceAbstractionStarter]: For program point L129(lines 129 146) no Hoare annotation was computed. [2019-11-20 09:45:17,513 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 51) no Hoare annotation was computed. [2019-11-20 09:45:17,513 INFO L444 ceAbstractionStarter]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2019-11-20 09:45:17,513 INFO L444 ceAbstractionStarter]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2019-11-20 09:45:17,514 INFO L440 ceAbstractionStarter]: At program point L163-2(lines 163 167) the Hoare annotation is: false [2019-11-20 09:45:17,514 INFO L444 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-11-20 09:45:17,514 INFO L444 ceAbstractionStarter]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2019-11-20 09:45:17,514 INFO L444 ceAbstractionStarter]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2019-11-20 09:45:17,514 INFO L440 ceAbstractionStarter]: At program point L31-2(lines 31 35) the Hoare annotation is: false [2019-11-20 09:45:17,514 INFO L444 ceAbstractionStarter]: For program point L31-3(lines 31 35) no Hoare annotation was computed. [2019-11-20 09:45:17,514 INFO L444 ceAbstractionStarter]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2019-11-20 09:45:17,514 INFO L444 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2019-11-20 09:45:17,515 INFO L440 ceAbstractionStarter]: At program point L48-3(lines 48 49) the Hoare annotation is: false [2019-11-20 09:45:17,515 INFO L440 ceAbstractionStarter]: At program point L15-2(lines 15 19) the Hoare annotation is: (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= ULTIMATE.start___ieee754_asinf_~x (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) |ULTIMATE.start_main_#t~short21| (= |ULTIMATE.start___ieee754_asinf_#res| (_ +zero 8 24))) [2019-11-20 09:45:17,515 INFO L444 ceAbstractionStarter]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2019-11-20 09:45:17,515 INFO L444 ceAbstractionStarter]: For program point L15-3(lines 15 19) no Hoare annotation was computed. [2019-11-20 09:45:17,515 INFO L444 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2019-11-20 09:45:17,515 INFO L444 ceAbstractionStarter]: For program point L131(lines 131 146) no Hoare annotation was computed. [2019-11-20 09:45:17,515 INFO L444 ceAbstractionStarter]: For program point L197-2(lines 197 200) no Hoare annotation was computed. [2019-11-20 09:45:17,516 INFO L444 ceAbstractionStarter]: For program point L131-1(lines 131 146) no Hoare annotation was computed. [2019-11-20 09:45:17,516 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 09:45:17,516 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 198) no Hoare annotation was computed. [2019-11-20 09:45:17,516 INFO L444 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2019-11-20 09:45:17,517 INFO L444 ceAbstractionStarter]: For program point L132(lines 132 145) no Hoare annotation was computed. [2019-11-20 09:45:17,517 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2019-11-20 09:45:17,517 INFO L444 ceAbstractionStarter]: For program point L99-1(lines 92 105) no Hoare annotation was computed. [2019-11-20 09:45:17,517 INFO L444 ceAbstractionStarter]: For program point L99-2(lines 99 103) no Hoare annotation was computed. [2019-11-20 09:45:17,517 INFO L440 ceAbstractionStarter]: At program point L182(lines 117 183) the Hoare annotation is: (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= ULTIMATE.start___ieee754_asinf_~x (_ +zero 8 24)) (= |ULTIMATE.start___ieee754_asinf_#res| (_ +zero 8 24))) [2019-11-20 09:45:17,517 INFO L444 ceAbstractionStarter]: For program point L133(lines 133 134) no Hoare annotation was computed. [2019-11-20 09:45:17,525 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,526 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,527 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,527 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,534 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,534 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,534 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,535 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,538 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,538 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,539 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,539 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,539 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,540 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,540 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,540 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,541 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:45:17,541 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:45:17,542 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:45:17,542 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:45:17,543 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:45:17,543 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:45:17,544 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:45:17,544 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:45:17,545 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,545 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,545 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,546 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,552 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,552 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,553 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,553 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:45:17 BoogieIcfgContainer [2019-11-20 09:45:17,556 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 09:45:17,557 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:45:17,557 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:45:17,557 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:45:17,558 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:45:09" (3/4) ... [2019-11-20 09:45:17,562 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 09:45:17,587 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-20 09:45:17,588 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-20 09:45:17,588 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 09:45:17,616 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE() [2019-11-20 09:45:17,617 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && \result == ~Pluszero~LONGDOUBLE() [2019-11-20 09:45:17,618 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && \result == ~Pluszero~LONGDOUBLE() [2019-11-20 09:45:17,660 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_254af35e-8ee4-40a4-9c41-af882637f89a/bin/uautomizer/witness.graphml [2019-11-20 09:45:17,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:45:17,661 INFO L168 Benchmark]: Toolchain (without parser) took 19530.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 955.0 MB in the beginning and 885.2 MB in the end (delta: 69.8 MB). Peak memory consumption was 230.8 MB. Max. memory is 11.5 GB. [2019-11-20 09:45:17,662 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:45:17,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 955.0 MB in the beginning and 1.2 GB in the end (delta: -201.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-20 09:45:17,663 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:45:17,663 INFO L168 Benchmark]: Boogie Preprocessor took 55.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-11-20 09:45:17,663 INFO L168 Benchmark]: RCFGBuilder took 10633.40 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: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. [2019-11-20 09:45:17,664 INFO L168 Benchmark]: TraceAbstraction took 8099.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.7 MB in the end (delta: 212.2 MB). Peak memory consumption was 212.2 MB. Max. memory is 11.5 GB. [2019-11-20 09:45:17,664 INFO L168 Benchmark]: Witness Printer took 103.69 ms. Allocated memory is still 1.2 GB. Free memory was 891.7 MB in the beginning and 885.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:45:17,666 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 570.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 955.0 MB in the beginning and 1.2 GB in the end (delta: -201.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 10633.40 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: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8099.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.7 MB in the end (delta: 212.2 MB). Peak memory consumption was 212.2 MB. Max. memory is 11.5 GB. * Witness Printer took 103.69 ms. Allocated memory is still 1.2 GB. Free memory was 891.7 MB in the beginning and 885.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 198]: 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: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant [2019-11-20 09:45:17,676 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,676 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,676 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,677 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,678 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,678 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,678 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,678 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && \result == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 117]: Loop Invariant [2019-11-20 09:45:17,679 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,679 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,679 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,680 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,680 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,680 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,681 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,681 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 120]: Loop Invariant [2019-11-20 09:45:17,681 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:45:17,682 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:45:17,682 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:45:17,682 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:45:17,682 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:45:17,683 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:45:17,683 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:45:17,683 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin && one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant [2019-11-20 09:45:17,684 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,684 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,684 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,685 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,685 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,685 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,686 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-20 09:45:17,686 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && \result == ~Pluszero~LONGDOUBLE() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. Result: SAFE, OverallTime: 7.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 267 SDtfs, 518 SDslu, 613 SDs, 0 SdLazy, 108 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 129 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 18 NumberOfFragments, 149 HoareAnnotationTreeSize, 13 FomulaSimplifications, 76 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 158 ConstructedInterpolants, 13 QuantifiedInterpolants, 14425 SizeOfPredicates, 27 NumberOfNonLiveVariables, 313 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...