./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c -s /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/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 8be2489bdcd97218605067fa4593696f9050abdf ............................................................................................................................................................................................................................................................................................. 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/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c -s /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/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 8be2489bdcd97218605067fa4593696f9050abdf ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:00:48,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:48,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:48,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:48,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:48,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:48,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:48,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:48,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:48,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:48,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:48,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:48,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:48,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:48,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:48,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:48,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:48,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:48,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:48,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:48,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:48,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:48,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:48,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:48,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:48,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:48,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:48,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:48,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:48,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:48,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:48,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:48,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:48,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:48,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:48,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:48,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:48,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:48,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:48,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:48,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:48,808 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:00:48,824 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:48,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:48,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:48,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:48,828 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:48,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:48,828 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:48,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:48,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:48,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:48,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:00:48,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:48,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:00:48,829 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:48,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:48,829 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:48,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:00:48,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:48,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:48,830 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:48,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:48,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:48,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:48,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:48,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:00:48,831 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:48,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:00:48,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:00:48,831 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/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/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 -> 8be2489bdcd97218605067fa4593696f9050abdf [2019-10-22 09:00:48,858 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:48,868 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:48,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:48,872 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:48,872 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:48,872 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-10-22 09:00:48,926 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/bin/uautomizer/data/ba8cdf778/7ac17b4c67c544af92ef25eb96ec5bce/FLAG76264cca1 [2019-10-22 09:00:49,297 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:49,299 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-10-22 09:00:49,306 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/bin/uautomizer/data/ba8cdf778/7ac17b4c67c544af92ef25eb96ec5bce/FLAG76264cca1 [2019-10-22 09:00:49,321 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/bin/uautomizer/data/ba8cdf778/7ac17b4c67c544af92ef25eb96ec5bce [2019-10-22 09:00:49,324 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:49,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:49,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:49,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:49,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:49,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:49" (1/1) ... [2019-10-22 09:00:49,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5189c9ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:49, skipping insertion in model container [2019-10-22 09:00:49,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:49" (1/1) ... [2019-10-22 09:00:49,338 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:49,356 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:49,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:49,576 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:49,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:49,622 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:49,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:49 WrapperNode [2019-10-22 09:00:49,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:49,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:49,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:49,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:49,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:49" (1/1) ... [2019-10-22 09:00:49,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:49" (1/1) ... [2019-10-22 09:00:49,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:49,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:49,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:49,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:49,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:49" (1/1) ... [2019-10-22 09:00:49,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:49" (1/1) ... [2019-10-22 09:00:49,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:49" (1/1) ... [2019-10-22 09:00:49,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:49" (1/1) ... [2019-10-22 09:00:49,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:49" (1/1) ... [2019-10-22 09:00:49,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:49" (1/1) ... [2019-10-22 09:00:49,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:49" (1/1) ... [2019-10-22 09:00:49,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:49,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:49,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:49,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:49,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/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 [2019-10-22 09:00:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-10-22 09:00:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 09:00:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-10-22 09:00:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:49,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 09:00:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:00:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:00:49,976 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:49,977 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-22 09:00:49,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:49 BoogieIcfgContainer [2019-10-22 09:00:49,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:49,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:00:49,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:00:49,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:00:49,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:49" (1/3) ... [2019-10-22 09:00:49,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e65417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:49, skipping insertion in model container [2019-10-22 09:00:49,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:49" (2/3) ... [2019-10-22 09:00:49,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e65417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:49, skipping insertion in model container [2019-10-22 09:00:49,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:49" (3/3) ... [2019-10-22 09:00:49,989 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2019-10-22 09:00:49,997 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:00:50,007 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:00:50,026 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:00:50,046 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:00:50,046 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:00:50,046 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:00:50,046 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:50,047 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:50,047 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:00:50,047 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:50,047 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:00:50,060 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-10-22 09:00:50,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 09:00:50,065 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:50,066 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:50,068 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:50,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:50,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2019-10-22 09:00:50,080 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:50,080 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750405927] [2019-10-22 09:00:50,080 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:50,081 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:50,081 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:50,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:50,156 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750405927] [2019-10-22 09:00:50,156 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:50,156 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:00:50,157 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125400133] [2019-10-22 09:00:50,159 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:00:50,160 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:50,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:00:50,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:00:50,169 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-10-22 09:00:50,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:50,185 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-10-22 09:00:50,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:00:50,187 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-10-22 09:00:50,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:50,196 INFO L225 Difference]: With dead ends: 64 [2019-10-22 09:00:50,196 INFO L226 Difference]: Without dead ends: 30 [2019-10-22 09:00:50,199 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:00:50,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-10-22 09:00:50,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-10-22 09:00:50,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-10-22 09:00:50,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2019-10-22 09:00:50,229 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2019-10-22 09:00:50,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:50,229 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2019-10-22 09:00:50,229 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:00:50,229 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2019-10-22 09:00:50,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 09:00:50,230 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:50,230 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:50,230 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:50,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:50,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2019-10-22 09:00:50,231 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:50,231 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721635426] [2019-10-22 09:00:50,231 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:50,231 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:50,231 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:50,303 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:50,303 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 09:00:50,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:00:50 BoogieIcfgContainer [2019-10-22 09:00:50,325 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:00:50,325 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:50,325 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:50,325 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:50,326 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:49" (3/4) ... [2019-10-22 09:00:50,328 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 09:00:50,328 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:50,330 INFO L168 Benchmark]: Toolchain (without parser) took 1004.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 947.7 MB in the beginning and 1.1 GB in the end (delta: -128.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:50,330 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 965.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:50,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 947.7 MB in the beginning and 1.1 GB in the end (delta: -184.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:50,331 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.12 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. [2019-10-22 09:00:50,332 INFO L168 Benchmark]: Boogie Preprocessor took 25.65 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. [2019-10-22 09:00:50,332 INFO L168 Benchmark]: RCFGBuilder took 297.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:50,333 INFO L168 Benchmark]: TraceAbstraction took 346.50 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:50,333 INFO L168 Benchmark]: Witness Printer took 3.29 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. [2019-10-22 09:00:50,336 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 965.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 296.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 947.7 MB in the beginning and 1.1 GB in the end (delta: -184.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.12 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 25.65 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 297.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 346.50 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.29 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: 96]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 41, overapproximation of bitwiseOr at line 42, overapproximation of someUnaryDOUBLEoperation at line 91, overapproximation of bitwiseAnd at line 28, overapproximation of someBinaryDOUBLEComparisonOperation at line 95. Possible FailurePath: [L17] static const double huge_ceil = 1.0e300; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L91] double x = -0.0; [L20] __int32_t i0, i1, j0; [L21] __uint32_t i, j; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (i0) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (i1) = ew_u.parts.lsw [L28] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L29] COND TRUE j0 < 20 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L30] COND FALSE !(j0 < 0) [L41] i = (0x000fffff) >> j0 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L42] COND TRUE ((i0 & i) | i1) == 0 [L43] return x; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L92] double res = ceil_double(x); [L95] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L96] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 47 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=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 09:00:52,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:52,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:52,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:52,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:52,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:52,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:52,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:52,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:52,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:52,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:52,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:52,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:52,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:52,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:52,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:52,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:52,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:52,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:52,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:52,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:52,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:52,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:52,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:52,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:52,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:52,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:52,308 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:52,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:52,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:52,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:52,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:52,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:52,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:52,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:52,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:52,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:52,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:52,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:52,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:52,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:52,315 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 09:00:52,327 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:52,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:52,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:52,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:52,328 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:52,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:52,329 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:52,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:52,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:52,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:00:52,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:52,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:00:52,330 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 09:00:52,330 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 09:00:52,330 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:52,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:52,331 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:52,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:00:52,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:52,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:52,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:52,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:52,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:52,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:52,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:52,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:00:52,332 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 09:00:52,332 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 09:00:52,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:00:52,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 09:00:52,333 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/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/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 -> 8be2489bdcd97218605067fa4593696f9050abdf [2019-10-22 09:00:52,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:52,367 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:52,370 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:52,371 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:52,372 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:52,372 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-10-22 09:00:52,417 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/bin/uautomizer/data/0f3a93241/f45320c84b2b47c5995a0b4e7e1d0cc9/FLAGa656d235b [2019-10-22 09:00:52,814 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:52,815 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-10-22 09:00:52,822 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/bin/uautomizer/data/0f3a93241/f45320c84b2b47c5995a0b4e7e1d0cc9/FLAGa656d235b [2019-10-22 09:00:52,840 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/bin/uautomizer/data/0f3a93241/f45320c84b2b47c5995a0b4e7e1d0cc9 [2019-10-22 09:00:52,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:52,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:52,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:52,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:52,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:52,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:52" (1/1) ... [2019-10-22 09:00:52,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c4baf1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:52, skipping insertion in model container [2019-10-22 09:00:52,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:52" (1/1) ... [2019-10-22 09:00:52,863 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:52,879 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:53,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:53,017 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:53,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:53,123 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:53,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53 WrapperNode [2019-10-22 09:00:53,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:53,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:53,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:53,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:53,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53" (1/1) ... [2019-10-22 09:00:53,144 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53" (1/1) ... [2019-10-22 09:00:53,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:53,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:53,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:53,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:53,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53" (1/1) ... [2019-10-22 09:00:53,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53" (1/1) ... [2019-10-22 09:00:53,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53" (1/1) ... [2019-10-22 09:00:53,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53" (1/1) ... [2019-10-22 09:00:53,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53" (1/1) ... [2019-10-22 09:00:53,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53" (1/1) ... [2019-10-22 09:00:53,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53" (1/1) ... [2019-10-22 09:00:53,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:53,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:53,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:53,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:53,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/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 [2019-10-22 09:00:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-10-22 09:00:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 09:00:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-10-22 09:00:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:53,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:00:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 09:00:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:00:54,092 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:54,092 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-22 09:00:54,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:54 BoogieIcfgContainer [2019-10-22 09:00:54,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:54,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:00:54,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:00:54,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:00:54,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:52" (1/3) ... [2019-10-22 09:00:54,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca6465e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:54, skipping insertion in model container [2019-10-22 09:00:54,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53" (2/3) ... [2019-10-22 09:00:54,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca6465e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:54, skipping insertion in model container [2019-10-22 09:00:54,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:54" (3/3) ... [2019-10-22 09:00:54,099 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2019-10-22 09:00:54,106 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:00:54,112 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:00:54,120 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:00:54,137 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:00:54,138 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:00:54,138 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:00:54,138 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:54,138 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:54,138 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:00:54,138 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:54,138 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:00:54,148 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-10-22 09:00:54,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 09:00:54,154 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:54,155 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:54,156 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:54,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:54,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2019-10-22 09:00:54,167 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:00:54,167 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [912023826] [2019-10-22 09:00:54,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/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 [2019-10-22 09:00:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:54,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 09:00:54,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:54,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:54,233 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 09:00:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:54,237 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [912023826] [2019-10-22 09:00:54,238 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:54,238 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 09:00:54,238 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324374595] [2019-10-22 09:00:54,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:00:54,242 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 09:00:54,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:00:54,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:00:54,255 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-10-22 09:00:54,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:54,270 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-10-22 09:00:54,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:00:54,271 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-10-22 09:00:54,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:54,280 INFO L225 Difference]: With dead ends: 64 [2019-10-22 09:00:54,280 INFO L226 Difference]: Without dead ends: 30 [2019-10-22 09:00:54,283 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:00:54,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-10-22 09:00:54,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-10-22 09:00:54,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-10-22 09:00:54,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2019-10-22 09:00:54,312 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2019-10-22 09:00:54,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:54,312 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2019-10-22 09:00:54,313 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:00:54,313 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2019-10-22 09:00:54,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 09:00:54,313 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:54,313 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:54,514 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 09:00:54,514 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:54,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:54,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2019-10-22 09:00:54,515 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:00:54,515 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1193038712] [2019-10-22 09:00:54,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/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 [2019-10-22 09:00:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:54,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 09:00:54,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:54,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:54,651 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 09:00:54,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:54,713 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1193038712] [2019-10-22 09:00:54,713 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:54,713 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-10-22 09:00:54,713 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985945570] [2019-10-22 09:00:54,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 09:00:54,715 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 09:00:54,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 09:00:54,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:00:54,715 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 8 states. [2019-10-22 09:00:55,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:55,048 INFO L93 Difference]: Finished difference Result 37 states and 50 transitions. [2019-10-22 09:00:55,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:00:55,049 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-10-22 09:00:55,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:55,049 INFO L225 Difference]: With dead ends: 37 [2019-10-22 09:00:55,049 INFO L226 Difference]: Without dead ends: 16 [2019-10-22 09:00:55,050 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-10-22 09:00:55,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-10-22 09:00:55,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-10-22 09:00:55,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-10-22 09:00:55,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-10-22 09:00:55,053 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 11 [2019-10-22 09:00:55,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:55,054 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-10-22 09:00:55,054 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 09:00:55,056 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-10-22 09:00:55,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 09:00:55,057 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:55,057 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:55,258 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-10-22 09:00:55,258 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:55,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:55,259 INFO L82 PathProgramCache]: Analyzing trace with hash -713684991, now seen corresponding path program 1 times [2019-10-22 09:00:55,259 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:00:55,259 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [579043957] [2019-10-22 09:00:55,259 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/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 [2019-10-22 09:00:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:55,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 09:00:55,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:55,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:55,442 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 09:00:55,950 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-10-22 09:00:56,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:56,124 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [579043957] [2019-10-22 09:00:56,124 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:56,124 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-10-22 09:00:56,125 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972022004] [2019-10-22 09:00:56,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:00:56,125 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 09:00:56,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:00:56,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:00:56,126 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 6 states. [2019-10-22 09:00:56,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:56,432 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2019-10-22 09:00:56,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:00:56,439 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-10-22 09:00:56,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:56,440 INFO L225 Difference]: With dead ends: 23 [2019-10-22 09:00:56,440 INFO L226 Difference]: Without dead ends: 16 [2019-10-22 09:00:56,440 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:00:56,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-10-22 09:00:56,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-10-22 09:00:56,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-10-22 09:00:56,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-10-22 09:00:56,443 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2019-10-22 09:00:56,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:56,443 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-10-22 09:00:56,443 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:00:56,444 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-10-22 09:00:56,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 09:00:56,444 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:56,444 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:56,644 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-10-22 09:00:56,645 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:56,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:56,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1568599403, now seen corresponding path program 1 times [2019-10-22 09:00:56,645 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:00:56,646 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1327682770] [2019-10-22 09:00:56,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_596d92e4-3266-4912-aba5-71cdde32dbb1/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 [2019-10-22 09:00:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:56,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 09:00:56,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:56,844 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2019-10-22 09:00:56,849 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 09:00:56,851 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:00:56,851 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:00:56,861 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:00:56,861 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:00:56,861 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:20 [2019-10-22 09:00:56,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:56,932 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 09:00:56,993 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2019-10-22 09:00:56,997 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 09:00:57,001 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:00:57,001 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:00:57,006 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:00:57,006 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:00:57,006 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2019-10-22 09:00:57,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:57,060 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1327682770] [2019-10-22 09:00:57,060 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:57,060 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-10-22 09:00:57,060 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894736793] [2019-10-22 09:00:57,061 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-22 09:00:57,061 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 09:00:57,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-22 09:00:57,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2019-10-22 09:00:57,062 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 12 states. [2019-10-22 09:00:57,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:57,321 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-10-22 09:00:57,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:00:57,321 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2019-10-22 09:00:57,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:57,321 INFO L225 Difference]: With dead ends: 16 [2019-10-22 09:00:57,321 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:00:57,322 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-10-22 09:00:57,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:00:57,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:00:57,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:00:57,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:00:57,323 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-10-22 09:00:57,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:57,323 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:00:57,323 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-22 09:00:57,323 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:00:57,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:00:57,524 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-10-22 09:00:57,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:00:57,690 INFO L443 ceAbstractionStarter]: For program point L60(lines 60 72) no Hoare annotation was computed. [2019-10-22 09:00:57,690 INFO L443 ceAbstractionStarter]: For program point L52(lines 52 55) no Hoare annotation was computed. [2019-10-22 09:00:57,691 INFO L443 ceAbstractionStarter]: For program point L44(lines 44 49) no Hoare annotation was computed. [2019-10-22 09:00:57,691 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:00:57,691 INFO L443 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2019-10-22 09:00:57,691 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:00:57,691 INFO L443 ceAbstractionStarter]: For program point L61-1(lines 61 70) no Hoare annotation was computed. [2019-10-22 09:00:57,691 INFO L443 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-10-22 09:00:57,691 INFO L443 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2019-10-22 09:00:57,691 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 98) no Hoare annotation was computed. [2019-10-22 09:00:57,691 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 69) no Hoare annotation was computed. [2019-10-22 09:00:57,691 INFO L443 ceAbstractionStarter]: For program point L29(lines 29 73) no Hoare annotation was computed. [2019-10-22 09:00:57,691 INFO L443 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2019-10-22 09:00:57,692 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 50) no Hoare annotation was computed. [2019-10-22 09:00:57,692 INFO L443 ceAbstractionStarter]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2019-10-22 09:00:57,692 INFO L439 ceAbstractionStarter]: At program point L22-2(lines 22 27) the Hoare annotation is: (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) (= ULTIMATE.start_main_~x~0 (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_ceil_double_~x (let ((.cse0 (concat (_ bv2147483648 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) [2019-10-22 09:00:57,692 INFO L443 ceAbstractionStarter]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2019-10-22 09:00:57,692 INFO L439 ceAbstractionStarter]: At program point L80(lines 19 81) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (concat (_ bv2147483648 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))))) (and (= .cse0 |ULTIMATE.start_ceil_double_#res|) (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) (= ULTIMATE.start_ceil_double_~i1~0 (_ bv0 32)) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.neg (_ +zero 11 53))) (= (bvadd ULTIMATE.start_ceil_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_ceil_double_~i0~0) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.neg (_ +zero 11 53))))) (= ULTIMATE.start_main_~x~0 (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_ceil_double_~x .cse0))) [2019-10-22 09:00:57,693 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 96) no Hoare annotation was computed. [2019-10-22 09:00:57,693 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 39) no Hoare annotation was computed. [2019-10-22 09:00:57,693 INFO L443 ceAbstractionStarter]: For program point L32(lines 32 38) no Hoare annotation was computed. [2019-10-22 09:00:57,693 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:00:57,693 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 79) no Hoare annotation was computed. [2019-10-22 09:00:57,693 INFO L443 ceAbstractionStarter]: For program point L74-1(lines 19 81) no Hoare annotation was computed. [2019-10-22 09:00:57,693 INFO L443 ceAbstractionStarter]: For program point L74-2(lines 74 79) no Hoare annotation was computed. [2019-10-22 09:00:57,693 INFO L443 ceAbstractionStarter]: For program point L66(lines 66 67) no Hoare annotation was computed. [2019-10-22 09:00:57,694 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:00:57,694 INFO L443 ceAbstractionStarter]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2019-10-22 09:00:57,694 INFO L443 ceAbstractionStarter]: For program point L58(lines 58 59) no Hoare annotation was computed. [2019-10-22 09:00:57,694 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2019-10-22 09:00:57,694 INFO L446 ceAbstractionStarter]: At program point L100(lines 83 101) the Hoare annotation is: true [2019-10-22 09:00:57,695 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 73) no Hoare annotation was computed. [2019-10-22 09:00:57,695 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 38) no Hoare annotation was computed. [2019-10-22 09:00:57,698 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:555) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:255) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:212) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 09:00:57,701 INFO L168 Benchmark]: Toolchain (without parser) took 4857.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.2 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -64.6 MB). Peak memory consumption was 122.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:57,701 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:57,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.2 MB). Free memory was 951.0 MB in the beginning and 1.2 GB in the end (delta: -225.6 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:57,702 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:57,703 INFO L168 Benchmark]: Boogie Preprocessor took 31.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:57,703 INFO L168 Benchmark]: RCFGBuilder took 896.75 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: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:57,704 INFO L168 Benchmark]: TraceAbstraction took 3605.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 135.4 MB). Peak memory consumption was 135.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:57,706 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.2 MB). Free memory was 951.0 MB in the beginning and 1.2 GB in the end (delta: -225.6 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 896.75 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: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3605.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 135.4 MB). Peak memory consumption was 135.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 96]: 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 - ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...