./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.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_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c -s /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/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 2fc40f01120ca51e77cbf79a7824b0aac7011828 ..................................................................................................................................................................................................................................................................................... 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_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c -s /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/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 2fc40f01120ca51e77cbf79a7824b0aac7011828 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 08:54:19,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:54:19,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:54:19,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:54:19,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:54:19,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:54:19,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:54:19,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:54:19,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:54:19,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:54:19,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:54:19,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:54:19,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:54:19,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:54:19,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:54:19,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:54:19,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:54:19,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:54:19,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:54:19,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:54:19,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:54:19,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:54:19,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:54:19,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:54:19,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:54:19,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:54:19,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:54:19,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:54:19,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:54:19,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:54:19,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:54:19,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:54:19,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:54:19,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:54:19,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:54:19,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:54:19,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:54:19,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:54:19,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:54:19,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:54:19,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:54:19,277 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:54:19,288 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:54:19,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:54:19,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:54:19,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:54:19,289 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:54:19,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:54:19,289 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:54:19,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:54:19,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:54:19,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:54:19,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:54:19,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:54:19,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:54:19,291 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:54:19,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:54:19,291 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:54:19,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:54:19,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:54:19,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:54:19,292 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:54:19,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:54:19,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:54:19,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:54:19,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:54:19,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:54:19,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:54:19,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:54:19,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:54:19,294 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_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/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 -> 2fc40f01120ca51e77cbf79a7824b0aac7011828 [2019-10-22 08:54:19,318 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:54:19,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:54:19,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:54:19,332 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:54:19,332 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:54:19,333 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2019-10-22 08:54:19,384 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/bin/uautomizer/data/f7d53c06a/c5090ab35c474ad9be1c0ae9614c5719/FLAG5ff7550f2 [2019-10-22 08:54:19,755 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:54:19,755 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2019-10-22 08:54:19,761 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/bin/uautomizer/data/f7d53c06a/c5090ab35c474ad9be1c0ae9614c5719/FLAG5ff7550f2 [2019-10-22 08:54:19,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/bin/uautomizer/data/f7d53c06a/c5090ab35c474ad9be1c0ae9614c5719 [2019-10-22 08:54:19,772 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:54:19,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:54:19,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:19,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:54:19,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:54:19,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:19" (1/1) ... [2019-10-22 08:54:19,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@423f161f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:19, skipping insertion in model container [2019-10-22 08:54:19,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:19" (1/1) ... [2019-10-22 08:54:19,787 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:54:19,806 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:54:20,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:20,018 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:54:20,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:20,063 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:54:20,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:20 WrapperNode [2019-10-22 08:54:20,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:20,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:20,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:54:20,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:54:20,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:20" (1/1) ... [2019-10-22 08:54:20,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:20" (1/1) ... [2019-10-22 08:54:20,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:20,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:54:20,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:54:20,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:54:20,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:20" (1/1) ... [2019-10-22 08:54:20,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:20" (1/1) ... [2019-10-22 08:54:20,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:20" (1/1) ... [2019-10-22 08:54:20,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:20" (1/1) ... [2019-10-22 08:54:20,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:20" (1/1) ... [2019-10-22 08:54:20,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:20" (1/1) ... [2019-10-22 08:54:20,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:20" (1/1) ... [2019-10-22 08:54:20,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:54:20,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:54:20,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:54:20,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:54:20,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/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 08:54:20,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:54:20,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-10-22 08:54:20,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:54:20,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-10-22 08:54:20,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:54:20,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:54:20,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:54:20,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:54:20,601 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:54:20,602 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-10-22 08:54:20,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:20 BoogieIcfgContainer [2019-10-22 08:54:20,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:54:20,603 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:54:20,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:54:20,606 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:54:20,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:54:19" (1/3) ... [2019-10-22 08:54:20,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae6cca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:20, skipping insertion in model container [2019-10-22 08:54:20,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:20" (2/3) ... [2019-10-22 08:54:20,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae6cca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:20, skipping insertion in model container [2019-10-22 08:54:20,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:20" (3/3) ... [2019-10-22 08:54:20,609 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032b.c [2019-10-22 08:54:20,619 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:54:20,627 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:54:20,637 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:54:20,662 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:54:20,662 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:54:20,663 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:54:20,663 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:54:20,663 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:54:20,663 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:54:20,663 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:54:20,663 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:54:20,677 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-10-22 08:54:20,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 08:54:20,683 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:20,683 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:20,685 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:20,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:20,693 INFO L82 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2019-10-22 08:54:20,698 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:20,698 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636527847] [2019-10-22 08:54:20,699 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:20,699 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:20,699 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:20,779 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 08:54:20,779 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636527847] [2019-10-22 08:54:20,780 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:20,780 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:54:20,780 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283960827] [2019-10-22 08:54:20,784 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:54:20,784 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:20,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:54:20,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:54:20,795 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-10-22 08:54:20,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:20,808 INFO L93 Difference]: Finished difference Result 58 states and 88 transitions. [2019-10-22 08:54:20,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:54:20,809 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-10-22 08:54:20,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:20,819 INFO L225 Difference]: With dead ends: 58 [2019-10-22 08:54:20,819 INFO L226 Difference]: Without dead ends: 27 [2019-10-22 08:54:20,823 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 08:54:20,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-10-22 08:54:20,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-10-22 08:54:20,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-10-22 08:54:20,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2019-10-22 08:54:20,858 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2019-10-22 08:54:20,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:20,858 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2019-10-22 08:54:20,858 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:54:20,858 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2019-10-22 08:54:20,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 08:54:20,859 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:20,859 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:20,859 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:20,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:20,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2019-10-22 08:54:20,859 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:20,859 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621075097] [2019-10-22 08:54:20,859 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:20,860 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:20,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:20,945 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:20,945 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 08:54:20,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:54:20 BoogieIcfgContainer [2019-10-22 08:54:20,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:54:20,967 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:54:20,967 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:54:20,967 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:54:20,967 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:20" (3/4) ... [2019-10-22 08:54:20,971 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:54:20,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:54:20,973 INFO L168 Benchmark]: Toolchain (without parser) took 1198.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -144.0 MB). Peak memory consumption was 4.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:20,973 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:20,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -200.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:20,974 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.73 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 08:54:20,975 INFO L168 Benchmark]: Boogie Preprocessor took 53.64 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 08:54:20,975 INFO L168 Benchmark]: RCFGBuilder took 441.67 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:20,976 INFO L168 Benchmark]: TraceAbstraction took 363.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:20,976 INFO L168 Benchmark]: Witness Printer took 4.17 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 08:54:20,982 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 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 289.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -200.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.73 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. * Boogie Preprocessor took 53.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 441.67 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 363.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.17 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: 91]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 34, overapproximation of someUnaryDOUBLEoperation at line 86, overapproximation of bitwiseAnd at line 35, overapproximation of someBinaryDOUBLEComparisonOperation at line 90. Possible FailurePath: [L86] double x = -0.0; [L18] __int32_t msw, exponent_less_1023; [L19] __uint32_t lsw; [L21] ieee_double_shape_type ew_u; [L22] ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] (msw) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] (lsw) = ew_u.parts.lsw [L26] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L27] COND TRUE exponent_less_1023 < 20 [L28] COND FALSE !(exponent_less_1023 < 0) [L34] __uint32_t exponent_mask = 0x000fffff >> exponent_less_1023; [L35] COND TRUE (msw & exponent_mask) == 0 && lsw == 0 [L36] return x; [L87] double res = round_double(x); [L90] EXPR res == -0.0 && __signbit_double(res) == 1 [L90] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L91] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 38 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=30occurred 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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 08:54:22,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:54:22,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:54:22,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:54:22,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:54:22,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:54:22,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:54:22,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:54:22,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:54:22,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:54:22,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:54:22,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:54:22,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:54:22,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:54:22,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:54:22,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:54:22,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:54:22,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:54:22,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:54:22,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:54:22,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:54:22,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:54:22,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:54:22,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:54:22,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:54:22,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:54:22,907 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:54:22,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:54:22,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:54:22,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:54:22,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:54:22,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:54:22,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:54:22,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:54:22,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:54:22,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:54:22,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:54:22,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:54:22,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:54:22,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:54:22,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:54:22,914 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 08:54:22,925 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:54:22,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:54:22,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:54:22,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:54:22,927 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:54:22,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:54:22,927 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:54:22,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:54:22,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:54:22,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:54:22,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:54:22,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:54:22,928 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 08:54:22,928 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 08:54:22,929 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:54:22,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:54:22,929 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:54:22,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:54:22,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:54:22,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:54:22,930 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:54:22,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:54:22,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:54:22,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:54:22,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:54:22,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:54:22,930 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 08:54:22,931 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 08:54:22,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:54:22,931 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 08:54:22,931 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_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/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 -> 2fc40f01120ca51e77cbf79a7824b0aac7011828 [2019-10-22 08:54:22,956 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:54:22,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:54:22,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:54:22,976 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:54:22,976 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:54:22,977 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2019-10-22 08:54:23,028 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/bin/uautomizer/data/bf96cedec/159de7c36cf2445f86d4d8a0b350d05b/FLAG469a03d5b [2019-10-22 08:54:23,402 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:54:23,402 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2019-10-22 08:54:23,407 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/bin/uautomizer/data/bf96cedec/159de7c36cf2445f86d4d8a0b350d05b/FLAG469a03d5b [2019-10-22 08:54:23,829 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/bin/uautomizer/data/bf96cedec/159de7c36cf2445f86d4d8a0b350d05b [2019-10-22 08:54:23,832 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:54:23,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:54:23,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:23,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:54:23,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:54:23,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:23" (1/1) ... [2019-10-22 08:54:23,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d452140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:23, skipping insertion in model container [2019-10-22 08:54:23,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:23" (1/1) ... [2019-10-22 08:54:23,846 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:54:23,860 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:54:24,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:24,045 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:54:24,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:24,174 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:54:24,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24 WrapperNode [2019-10-22 08:54:24,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:24,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:24,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:54:24,177 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:54:24,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24" (1/1) ... [2019-10-22 08:54:24,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24" (1/1) ... [2019-10-22 08:54:24,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:24,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:54:24,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:54:24,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:54:24,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24" (1/1) ... [2019-10-22 08:54:24,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24" (1/1) ... [2019-10-22 08:54:24,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24" (1/1) ... [2019-10-22 08:54:24,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24" (1/1) ... [2019-10-22 08:54:24,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24" (1/1) ... [2019-10-22 08:54:24,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24" (1/1) ... [2019-10-22 08:54:24,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24" (1/1) ... [2019-10-22 08:54:24,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:54:24,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:54:24,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:54:24,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:54:24,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/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 08:54:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-10-22 08:54:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-10-22 08:54:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:54:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 08:54:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:54:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:54:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 08:54:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:54:24,779 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:54:24,779 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-10-22 08:54:24,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:24 BoogieIcfgContainer [2019-10-22 08:54:24,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:54:24,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:54:24,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:54:24,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:54:24,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:54:23" (1/3) ... [2019-10-22 08:54:24,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62389727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:24, skipping insertion in model container [2019-10-22 08:54:24,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:24" (2/3) ... [2019-10-22 08:54:24,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62389727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:24, skipping insertion in model container [2019-10-22 08:54:24,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:24" (3/3) ... [2019-10-22 08:54:24,788 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032b.c [2019-10-22 08:54:24,794 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:54:24,799 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:54:24,806 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:54:24,828 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:54:24,828 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:54:24,828 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:54:24,828 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:54:24,828 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:54:24,828 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:54:24,829 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:54:24,829 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:54:24,841 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-10-22 08:54:24,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 08:54:24,846 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:24,847 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:24,849 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:24,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:24,853 INFO L82 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2019-10-22 08:54:24,862 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:54:24,862 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2090176785] [2019-10-22 08:54:24,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/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 08:54:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:24,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 08:54:24,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:24,937 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 08:54:24,937 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:54:24,940 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 08:54:24,941 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2090176785] [2019-10-22 08:54:24,942 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:24,942 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 08:54:24,942 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039150508] [2019-10-22 08:54:24,946 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:54:24,947 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:54:24,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:54:24,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:54:24,961 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2019-10-22 08:54:24,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:24,975 INFO L93 Difference]: Finished difference Result 58 states and 88 transitions. [2019-10-22 08:54:24,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:54:24,976 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-10-22 08:54:24,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:24,986 INFO L225 Difference]: With dead ends: 58 [2019-10-22 08:54:24,986 INFO L226 Difference]: Without dead ends: 27 [2019-10-22 08:54:24,989 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 08:54:25,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-10-22 08:54:25,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-10-22 08:54:25,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-10-22 08:54:25,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2019-10-22 08:54:25,013 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2019-10-22 08:54:25,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:25,014 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2019-10-22 08:54:25,014 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:54:25,014 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2019-10-22 08:54:25,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 08:54:25,014 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:25,014 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:25,223 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 08:54:25,223 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:25,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:25,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2019-10-22 08:54:25,225 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:54:25,225 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1355495465] [2019-10-22 08:54:25,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/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 08:54:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:25,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 08:54:25,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:25,366 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 08:54:25,366 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:54:25,428 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 08:54:25,428 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1355495465] [2019-10-22 08:54:25,429 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:25,429 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-10-22 08:54:25,429 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726183994] [2019-10-22 08:54:25,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:54:25,431 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:54:25,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:54:25,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:54:25,431 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand 8 states. [2019-10-22 08:54:25,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:25,648 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2019-10-22 08:54:25,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:54:25,651 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-10-22 08:54:25,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:25,652 INFO L225 Difference]: With dead ends: 40 [2019-10-22 08:54:25,652 INFO L226 Difference]: Without dead ends: 21 [2019-10-22 08:54:25,653 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 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 08:54:25,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-10-22 08:54:25,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-10-22 08:54:25,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-10-22 08:54:25,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-10-22 08:54:25,659 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 12 [2019-10-22 08:54:25,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:25,660 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-10-22 08:54:25,660 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:54:25,660 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-10-22 08:54:25,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 08:54:25,661 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:25,661 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:25,861 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-10-22 08:54:25,862 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:25,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:25,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1282802547, now seen corresponding path program 1 times [2019-10-22 08:54:25,863 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:54:25,863 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1827199807] [2019-10-22 08:54:25,863 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/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 08:54:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:25,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 08:54:25,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:25,988 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 51 treesize of output 45 [2019-10-22 08:54:25,993 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 08:54:25,997 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:25,997 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:54:26,000 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:26,000 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 08:54:26,001 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:51, output treesize:21 [2019-10-22 08:54:26,034 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 08:54:26,052 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 08:54:26,052 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:54:26,053 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 08:54:26,097 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 46 treesize of output 40 [2019-10-22 08:54:26,100 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 08:54:26,103 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:26,103 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:54:26,106 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:26,106 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 08:54:26,107 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:46, output treesize:16 [2019-10-22 08:54:26,147 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 08:54:26,147 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1827199807] [2019-10-22 08:54:26,147 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:26,147 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2019-10-22 08:54:26,148 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248091210] [2019-10-22 08:54:26,148 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-22 08:54:26,148 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:54:26,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-22 08:54:26,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2019-10-22 08:54:26,149 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 11 states. [2019-10-22 08:54:26,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:26,445 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2019-10-22 08:54:26,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:54:26,446 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 16 [2019-10-22 08:54:26,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:26,446 INFO L225 Difference]: With dead ends: 24 [2019-10-22 08:54:26,446 INFO L226 Difference]: Without dead ends: 21 [2019-10-22 08:54:26,447 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2019-10-22 08:54:26,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-10-22 08:54:26,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-10-22 08:54:26,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-10-22 08:54:26,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2019-10-22 08:54:26,451 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2019-10-22 08:54:26,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:26,451 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2019-10-22 08:54:26,452 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-22 08:54:26,452 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2019-10-22 08:54:26,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 08:54:26,454 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:26,454 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:26,655 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-10-22 08:54:26,655 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:26,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:26,656 INFO L82 PathProgramCache]: Analyzing trace with hash 218634850, now seen corresponding path program 1 times [2019-10-22 08:54:26,656 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:54:26,656 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1548571838] [2019-10-22 08:54:26,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_773ba467-0e6f-4fe0-bbd5-0611f4c0d822/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 08:54:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:26,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjunts are in the unsatisfiable core [2019-10-22 08:54:26,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:26,798 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 48 treesize of output 42 [2019-10-22 08:54:26,812 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 08:54:26,818 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:26,819 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:54:26,831 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:26,832 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-10-22 08:54:26,832 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:59, output treesize:29 [2019-10-22 08:54:26,983 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 08:54:27,035 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 08:54:27,036 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:54:27,037 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 08:54:27,273 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 52 treesize of output 46 [2019-10-22 08:54:27,275 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 08:54:27,282 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:27,283 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:54:27,293 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:54:27,294 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-10-22 08:54:27,294 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:60, output treesize:30 [2019-10-22 08:54:29,535 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 08:54:29,536 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1548571838] [2019-10-22 08:54:29,536 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:29,536 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2019-10-22 08:54:29,536 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666921948] [2019-10-22 08:54:29,537 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-10-22 08:54:29,537 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:54:29,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-10-22 08:54:29,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=263, Unknown=1, NotChecked=0, Total=306 [2019-10-22 08:54:29,538 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 18 states. [2019-10-22 08:54:30,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:30,165 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2019-10-22 08:54:30,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 08:54:30,173 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 20 [2019-10-22 08:54:30,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:30,173 INFO L225 Difference]: With dead ends: 21 [2019-10-22 08:54:30,173 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:54:30,174 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=140, Invalid=459, Unknown=1, NotChecked=0, Total=600 [2019-10-22 08:54:30,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:54:30,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:54:30,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:54:30,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:54:30,175 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-10-22 08:54:30,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:30,175 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:54:30,175 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-10-22 08:54:30,175 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:54:30,175 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:54:30,376 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-10-22 08:54:30,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:54:30,588 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-10-22 08:54:30,868 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2019-10-22 08:54:31,033 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2019-10-22 08:54:31,035 INFO L443 ceAbstractionStarter]: For program point L27(lines 27 56) no Hoare annotation was computed. [2019-10-22 08:54:31,035 INFO L443 ceAbstractionStarter]: For program point L52(lines 52 53) no Hoare annotation was computed. [2019-10-22 08:54:31,035 INFO L443 ceAbstractionStarter]: For program point L52-2(lines 52 53) no Hoare annotation was computed. [2019-10-22 08:54:31,035 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 91) no Hoare annotation was computed. [2019-10-22 08:54:31,036 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 69 73) no Hoare annotation was computed. [2019-10-22 08:54:31,036 INFO L439 ceAbstractionStarter]: At program point L69-2(lines 69 73) the Hoare annotation is: (and (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_round_double_~x (let ((.cse0 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))))) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (fp.neg (_ +zero 11 53))))) (= (_ bv0 32) ULTIMATE.start_round_double_~lsw~0) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= (let ((.cse1 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) |ULTIMATE.start_round_double_#res|))) (exists ((v_ULTIMATE.start_round_double_~msw~0_18 (_ BitVec 32))) (= ULTIMATE.start_round_double_~x (let ((.cse2 (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_18) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= (let ((.cse3 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) ULTIMATE.start___signbit_double_~x))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_main_~res~0 (let ((.cse4 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4)))))) |ULTIMATE.start_main_#t~short10| (fp.eq |ULTIMATE.start_round_double_#res| (fp.neg (_ +zero 11 53))) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|) ULTIMATE.start_round_double_~msw~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (fp.neg (_ +zero 11 53)))))) [2019-10-22 08:54:31,038 INFO L443 ceAbstractionStarter]: For program point L69-3(lines 69 73) no Hoare annotation was computed. [2019-10-22 08:54:31,038 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:54:31,038 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:54:31,038 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:54:31,038 INFO L443 ceAbstractionStarter]: For program point L28(lines 28 40) no Hoare annotation was computed. [2019-10-22 08:54:31,038 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-22 08:54:31,039 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 62) no Hoare annotation was computed. [2019-10-22 08:54:31,039 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 17 64) no Hoare annotation was computed. [2019-10-22 08:54:31,039 INFO L443 ceAbstractionStarter]: For program point L90-2(lines 90 93) no Hoare annotation was computed. [2019-10-22 08:54:31,039 INFO L443 ceAbstractionStarter]: For program point L57-2(lines 57 62) no Hoare annotation was computed. [2019-10-22 08:54:31,039 INFO L443 ceAbstractionStarter]: For program point L20-1(lines 20 25) no Hoare annotation was computed. [2019-10-22 08:54:31,039 INFO L439 ceAbstractionStarter]: At program point L20-2(lines 20 25) the Hoare annotation is: (= ULTIMATE.start_round_double_~x (fp.neg (_ +zero 11 53))) [2019-10-22 08:54:31,039 INFO L443 ceAbstractionStarter]: For program point L20-3(lines 20 25) no Hoare annotation was computed. [2019-10-22 08:54:31,039 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2019-10-22 08:54:31,039 INFO L443 ceAbstractionStarter]: For program point L41(lines 41 56) no Hoare annotation was computed. [2019-10-22 08:54:31,039 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:54:31,039 INFO L446 ceAbstractionStarter]: At program point L95(lines 78 96) the Hoare annotation is: true [2019-10-22 08:54:31,039 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-22 08:54:31,040 INFO L439 ceAbstractionStarter]: At program point L75(lines 66 76) the Hoare annotation is: (and (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_round_double_~x (let ((.cse0 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))))) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (fp.neg (_ +zero 11 53))))) (= (_ bv0 32) ULTIMATE.start_round_double_~lsw~0) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= (let ((.cse1 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) |ULTIMATE.start_round_double_#res|))) (exists ((v_ULTIMATE.start_round_double_~msw~0_18 (_ BitVec 32))) (= ULTIMATE.start_round_double_~x (let ((.cse2 (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_18) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))))) (= (bvadd |ULTIMATE.start___signbit_double_#res| (_ bv4294967295 32)) (_ bv0 32)) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= (let ((.cse3 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) ULTIMATE.start___signbit_double_~x))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_main_~res~0 (let ((.cse4 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4)))))) |ULTIMATE.start_main_#t~short10| (fp.eq |ULTIMATE.start_round_double_#res| (fp.neg (_ +zero 11 53))) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|) ULTIMATE.start_round_double_~msw~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (fp.neg (_ +zero 11 53))))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64)) (v_skolemized_v_prenex_3_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_3_3) ((_ extract 62 52) v_skolemized_v_prenex_3_3) ((_ extract 51 0) v_skolemized_v_prenex_3_3)) (let ((.cse5 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start___signbit_double_~msw~1 ((_ extract 63 32) v_skolemized_v_prenex_3_3))))) [2019-10-22 08:54:31,040 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 45) no Hoare annotation was computed. [2019-10-22 08:54:31,040 INFO L439 ceAbstractionStarter]: At program point L63(lines 17 64) the Hoare annotation is: (and (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_round_double_~x (let ((.cse0 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))))) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (fp.neg (_ +zero 11 53))))) (= (_ bv0 32) ULTIMATE.start_round_double_~lsw~0) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= (let ((.cse1 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) |ULTIMATE.start_round_double_#res|))) (exists ((v_ULTIMATE.start_round_double_~msw~0_18 (_ BitVec 32))) (= ULTIMATE.start_round_double_~x (let ((.cse2 (concat (bvand (_ bv2147483648 32) v_ULTIMATE.start_round_double_~msw~0_18) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))))) (fp.eq |ULTIMATE.start_round_double_#res| (fp.neg (_ +zero 11 53))) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|) ULTIMATE.start_round_double_~msw~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (fp.neg (_ +zero 11 53)))))) [2019-10-22 08:54:31,040 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2019-10-22 08:54:31,041 INFO L443 ceAbstractionStarter]: For program point L30-2(lines 30 31) no Hoare annotation was computed. [2019-10-22 08:54:31,041 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2019-10-22 08:54:31,044 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.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) 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 08:54:31,049 INFO L168 Benchmark]: Toolchain (without parser) took 7215.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 952.3 MB in the beginning and 870.6 MB in the end (delta: 81.7 MB). Peak memory consumption was 251.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:31,050 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 08:54:31,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 952.3 MB in the beginning and 1.2 GB in the end (delta: -213.4 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:31,051 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.93 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:31,051 INFO L168 Benchmark]: Boogie Preprocessor took 37.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:31,052 INFO L168 Benchmark]: RCFGBuilder took 518.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:31,052 INFO L168 Benchmark]: TraceAbstraction took 6266.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 870.6 MB in the end (delta: 263.2 MB). Peak memory consumption was 263.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:31,055 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 342.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 952.3 MB in the beginning and 1.2 GB in the end (delta: -213.4 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.93 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 518.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6266.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 870.6 MB in the end (delta: 263.2 MB). Peak memory consumption was 263.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 91]: 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...