./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8be2489bdcd97218605067fa4593696f9050abdf ......................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8be2489bdcd97218605067fa4593696f9050abdf ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:25:39,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:25:39,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:25:39,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:25:39,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:25:39,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:25:39,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:25:39,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:25:39,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:25:39,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:25:39,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:25:39,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:25:39,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:25:39,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:25:39,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:25:39,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:25:39,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:25:39,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:25:39,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:25:39,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:25:39,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:25:39,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:25:39,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:25:39,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:25:39,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:25:39,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:25:39,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:25:39,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:25:39,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:25:39,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:25:39,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:25:39,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:25:39,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:25:39,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:25:39,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:25:39,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:25:39,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:25:39,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:25:39,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:25:39,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:25:39,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:25:39,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 14:25:39,094 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:25:39,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:25:39,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:25:39,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:25:39,096 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:25:39,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:25:39,096 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:25:39,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:25:39,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:25:39,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:25:39,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:25:39,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:25:39,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:25:39,097 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:25:39,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:25:39,097 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:25:39,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:25:39,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:25:39,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:25:39,098 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:25:39,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:25:39,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:25:39,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:25:39,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:25:39,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:25:39,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:25:39,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:25:39,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:25:39,099 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:25:39,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8be2489bdcd97218605067fa4593696f9050abdf [2019-12-07 14:25:39,199 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:25:39,208 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:25:39,210 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:25:39,211 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:25:39,211 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:25:39,212 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-12-07 14:25:39,250 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/bin/uautomizer/data/5b7463936/c2cfb07ddd604ae6b23afa30b6154f96/FLAGed9cf5d32 [2019-12-07 14:25:39,692 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:25:39,692 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-12-07 14:25:39,696 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/bin/uautomizer/data/5b7463936/c2cfb07ddd604ae6b23afa30b6154f96/FLAGed9cf5d32 [2019-12-07 14:25:39,704 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/bin/uautomizer/data/5b7463936/c2cfb07ddd604ae6b23afa30b6154f96 [2019-12-07 14:25:39,706 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:25:39,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:25:39,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:25:39,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:25:39,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:25:39,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:25:39" (1/1) ... [2019-12-07 14:25:39,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b8aa41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:39, skipping insertion in model container [2019-12-07 14:25:39,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:25:39" (1/1) ... [2019-12-07 14:25:39,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:25:39,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:25:39,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:25:39,877 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:25:39,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:25:39,911 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:25:39,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:39 WrapperNode [2019-12-07 14:25:39,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:25:39,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:25:39,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:25:39,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:25:39,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:39" (1/1) ... [2019-12-07 14:25:39,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:39" (1/1) ... [2019-12-07 14:25:39,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:25:39,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:25:39,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:25:39,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:25:39,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:39" (1/1) ... [2019-12-07 14:25:39,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:39" (1/1) ... [2019-12-07 14:25:39,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:39" (1/1) ... [2019-12-07 14:25:39,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:39" (1/1) ... [2019-12-07 14:25:39,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:39" (1/1) ... [2019-12-07 14:25:39,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:39" (1/1) ... [2019-12-07 14:25:39,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:39" (1/1) ... [2019-12-07 14:25:39,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:25:39,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:25:39,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:25:39,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:25:39,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/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 [2019-12-07 14:25:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 14:25:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 14:25:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 14:25:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:25:39,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:25:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 14:25:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:25:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:25:40,176 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:25:40,176 INFO L287 CfgBuilder]: Removed 10 assume(true) statements. [2019-12-07 14:25:40,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:25:40 BoogieIcfgContainer [2019-12-07 14:25:40,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:25:40,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:25:40,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:25:40,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:25:40,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:25:39" (1/3) ... [2019-12-07 14:25:40,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1176f29d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:25:40, skipping insertion in model container [2019-12-07 14:25:40,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:39" (2/3) ... [2019-12-07 14:25:40,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1176f29d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:25:40, skipping insertion in model container [2019-12-07 14:25:40,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:25:40" (3/3) ... [2019-12-07 14:25:40,181 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2019-12-07 14:25:40,187 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:25:40,191 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 14:25:40,198 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 14:25:40,214 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:25:40,214 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:25:40,214 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:25:40,214 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:25:40,214 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:25:40,215 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:25:40,215 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:25:40,215 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:25:40,225 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-12-07 14:25:40,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 14:25:40,230 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:25:40,230 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:25:40,230 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:25:40,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:25:40,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2019-12-07 14:25:40,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:25:40,239 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567152596] [2019-12-07 14:25:40,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:25:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:25:40,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:25:40,311 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567152596] [2019-12-07 14:25:40,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:25:40,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 14:25:40,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463585372] [2019-12-07 14:25:40,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:25:40,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:25:40,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:25:40,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:25:40,326 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-12-07 14:25:40,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:25:40,338 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-12-07 14:25:40,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:25:40,339 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 14:25:40,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:25:40,348 INFO L225 Difference]: With dead ends: 64 [2019-12-07 14:25:40,348 INFO L226 Difference]: Without dead ends: 30 [2019-12-07 14:25:40,351 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:25:40,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-12-07 14:25:40,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-12-07 14:25:40,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-12-07 14:25:40,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2019-12-07 14:25:40,375 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2019-12-07 14:25:40,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:25:40,375 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2019-12-07 14:25:40,376 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:25:40,376 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2019-12-07 14:25:40,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 14:25:40,376 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:25:40,376 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:25:40,376 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:25:40,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:25:40,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2019-12-07 14:25:40,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:25:40,377 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129419295] [2019-12-07 14:25:40,377 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:25:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:25:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:25:40,434 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:25:40,435 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 14:25:40,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:25:40 BoogieIcfgContainer [2019-12-07 14:25:40,453 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:25:40,454 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:25:40,454 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:25:40,454 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:25:40,454 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:25:40" (3/4) ... [2019-12-07 14:25:40,456 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 14:25:40,456 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:25:40,458 INFO L168 Benchmark]: Toolchain (without parser) took 750.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 943.5 MB in the beginning and 1.0 GB in the end (delta: -83.1 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:40,458 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:25:40,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 204.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -138.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:40,459 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.90 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:25:40,459 INFO L168 Benchmark]: Boogie Preprocessor took 20.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:40,460 INFO L168 Benchmark]: RCFGBuilder took 218.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:40,460 INFO L168 Benchmark]: TraceAbstraction took 275.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:40,461 INFO L168 Benchmark]: Witness Printer took 2.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:25:40,463 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 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 204.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -138.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.90 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 218.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 275.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 96]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 41, overapproximation of bitwiseOr at line 42, overapproximation of someUnaryDOUBLEoperation at line 91, overapproximation of bitwiseAnd at line 28, overapproximation of someBinaryDOUBLEComparisonOperation at line 95. Possible FailurePath: [L17] static const double huge_ceil = 1.0e300; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L91] double x = -0.0; [L20] __int32_t i0, i1, j0; [L21] __uint32_t i, j; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (i0) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (i1) = ew_u.parts.lsw [L28] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L29] COND TRUE j0 < 20 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L30] COND FALSE !(j0 < 0) [L41] i = (0x000fffff) >> j0 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L42] COND TRUE ((i0 & i) | i1) == 0 [L43] return x; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L92] double res = ceil_double(x); [L95] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L96] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 47 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 14:25:41,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:25:41,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:25:41,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:25:41,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:25:41,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:25:41,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:25:41,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:25:41,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:25:41,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:25:41,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:25:41,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:25:41,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:25:41,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:25:41,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:25:41,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:25:41,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:25:41,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:25:41,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:25:41,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:25:41,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:25:41,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:25:41,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:25:41,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:25:41,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:25:41,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:25:41,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:25:41,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:25:41,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:25:41,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:25:41,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:25:41,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:25:41,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:25:41,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:25:41,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:25:41,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:25:41,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:25:41,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:25:41,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:25:41,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:25:41,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:25:41,858 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 14:25:41,868 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:25:41,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:25:41,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:25:41,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:25:41,869 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:25:41,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:25:41,870 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:25:41,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:25:41,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:25:41,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:25:41,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:25:41,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:25:41,870 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 14:25:41,871 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 14:25:41,871 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:25:41,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:25:41,871 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:25:41,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:25:41,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:25:41,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:25:41,871 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:25:41,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:25:41,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:25:41,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:25:41,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:25:41,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:25:41,872 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 14:25:41,872 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 14:25:41,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:25:41,873 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:25:41,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:25:41,873 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8be2489bdcd97218605067fa4593696f9050abdf [2019-12-07 14:25:42,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:25:42,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:25:42,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:25:42,055 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:25:42,056 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:25:42,056 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-12-07 14:25:42,105 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/bin/uautomizer/data/0ac339154/799c14daf65c424f8698163f2d2fe788/FLAG5f50c800c [2019-12-07 14:25:42,444 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:25:42,444 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-12-07 14:25:42,449 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/bin/uautomizer/data/0ac339154/799c14daf65c424f8698163f2d2fe788/FLAG5f50c800c [2019-12-07 14:25:42,457 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/bin/uautomizer/data/0ac339154/799c14daf65c424f8698163f2d2fe788 [2019-12-07 14:25:42,459 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:25:42,460 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:25:42,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:25:42,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:25:42,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:25:42,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:25:42" (1/1) ... [2019-12-07 14:25:42,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@357db60c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:42, skipping insertion in model container [2019-12-07 14:25:42,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:25:42" (1/1) ... [2019-12-07 14:25:42,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:25:42,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:25:42,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:25:42,597 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:25:42,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:25:42,667 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:25:42,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:42 WrapperNode [2019-12-07 14:25:42,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:25:42,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:25:42,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:25:42,668 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:25:42,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:42" (1/1) ... [2019-12-07 14:25:42,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:42" (1/1) ... [2019-12-07 14:25:42,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:25:42,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:25:42,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:25:42,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:25:42,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:42" (1/1) ... [2019-12-07 14:25:42,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:42" (1/1) ... [2019-12-07 14:25:42,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:42" (1/1) ... [2019-12-07 14:25:42,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:42" (1/1) ... [2019-12-07 14:25:42,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:42" (1/1) ... [2019-12-07 14:25:42,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:42" (1/1) ... [2019-12-07 14:25:42,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:42" (1/1) ... [2019-12-07 14:25:42,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:25:42,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:25:42,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:25:42,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:25:42,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/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 [2019-12-07 14:25:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 14:25:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 14:25:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:25:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 14:25:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:25:42,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:25:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 14:25:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:25:43,740 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:25:43,740 INFO L287 CfgBuilder]: Removed 10 assume(true) statements. [2019-12-07 14:25:43,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:25:43 BoogieIcfgContainer [2019-12-07 14:25:43,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:25:43,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:25:43,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:25:43,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:25:43,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:25:42" (1/3) ... [2019-12-07 14:25:43,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f22846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:25:43, skipping insertion in model container [2019-12-07 14:25:43,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:42" (2/3) ... [2019-12-07 14:25:43,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f22846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:25:43, skipping insertion in model container [2019-12-07 14:25:43,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:25:43" (3/3) ... [2019-12-07 14:25:43,746 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2019-12-07 14:25:43,752 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:25:43,756 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 14:25:43,764 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 14:25:43,779 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:25:43,779 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:25:43,779 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:25:43,779 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:25:43,779 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:25:43,780 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:25:43,780 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:25:43,780 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:25:43,788 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-12-07 14:25:43,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 14:25:43,792 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:25:43,793 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:25:43,793 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:25:43,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:25:43,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2019-12-07 14:25:43,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:25:43,804 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2115289649] [2019-12-07 14:25:43,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/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 [2019-12-07 14:25:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:25:43,857 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 14:25:43,860 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:25:43,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:25:43,869 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:25:43,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:25:43,872 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2115289649] [2019-12-07 14:25:43,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:25:43,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 14:25:43,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223339511] [2019-12-07 14:25:43,876 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:25:43,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:25:43,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:25:43,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:25:43,886 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-12-07 14:25:43,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:25:43,899 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-12-07 14:25:43,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:25:43,899 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 14:25:43,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:25:43,906 INFO L225 Difference]: With dead ends: 64 [2019-12-07 14:25:43,906 INFO L226 Difference]: Without dead ends: 30 [2019-12-07 14:25:43,909 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:25:43,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-12-07 14:25:43,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-12-07 14:25:43,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-12-07 14:25:43,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2019-12-07 14:25:43,932 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2019-12-07 14:25:43,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:25:43,932 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2019-12-07 14:25:43,932 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:25:43,932 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2019-12-07 14:25:43,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 14:25:43,933 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:25:43,933 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:25:44,133 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 14:25:44,134 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:25:44,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:25:44,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2019-12-07 14:25:44,136 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:25:44,136 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1342492918] [2019-12-07 14:25:44,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/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 [2019-12-07 14:25:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:25:44,226 INFO L264 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 14:25:44,228 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:25:44,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:25:44,280 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:25:44,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:25:44,330 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1342492918] [2019-12-07 14:25:44,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:25:44,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 14:25:44,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715285847] [2019-12-07 14:25:44,331 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 14:25:44,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:25:44,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 14:25:44,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 14:25:44,332 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 8 states. [2019-12-07 14:25:44,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:25:44,607 INFO L93 Difference]: Finished difference Result 37 states and 50 transitions. [2019-12-07 14:25:44,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 14:25:44,608 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-12-07 14:25:44,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:25:44,609 INFO L225 Difference]: With dead ends: 37 [2019-12-07 14:25:44,609 INFO L226 Difference]: Without dead ends: 16 [2019-12-07 14:25:44,610 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-07 14:25:44,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-12-07 14:25:44,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-07 14:25:44,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-07 14:25:44,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-12-07 14:25:44,613 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 11 [2019-12-07 14:25:44,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:25:44,614 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-12-07 14:25:44,614 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 14:25:44,614 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-12-07 14:25:44,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 14:25:44,614 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:25:44,615 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:25:44,815 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 14:25:44,815 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:25:44,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:25:44,816 INFO L82 PathProgramCache]: Analyzing trace with hash -713684991, now seen corresponding path program 1 times [2019-12-07 14:25:44,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:25:44,816 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [147820687] [2019-12-07 14:25:44,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/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 [2019-12-07 14:25:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:25:44,932 INFO L264 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 14:25:44,934 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:25:44,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:25:44,981 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:25:45,623 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-12-07 14:25:45,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:25:45,771 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [147820687] [2019-12-07 14:25:45,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:25:45,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-12-07 14:25:45,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302867783] [2019-12-07 14:25:45,772 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 14:25:45,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:25:45,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 14:25:45,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 14:25:45,772 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 6 states. [2019-12-07 14:25:46,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:25:46,108 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2019-12-07 14:25:46,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:25:46,115 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-12-07 14:25:46,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:25:46,115 INFO L225 Difference]: With dead ends: 23 [2019-12-07 14:25:46,116 INFO L226 Difference]: Without dead ends: 16 [2019-12-07 14:25:46,116 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 14:25:46,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-12-07 14:25:46,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-07 14:25:46,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-07 14:25:46,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-12-07 14:25:46,118 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2019-12-07 14:25:46,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:25:46,119 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-12-07 14:25:46,119 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 14:25:46,119 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-12-07 14:25:46,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 14:25:46,119 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:25:46,119 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:25:46,320 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 14:25:46,321 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:25:46,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:25:46,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1568599403, now seen corresponding path program 1 times [2019-12-07 14:25:46,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:25:46,324 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1635926067] [2019-12-07 14:25:46,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e0de456d-4173-44c5-893f-a5e9ddf7c9fd/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 [2019-12-07 14:25:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:25:46,495 INFO L264 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 14:25:46,496 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:25:46,531 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2019-12-07 14:25:46,536 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 14:25:46,539 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 14:25:46,539 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 14:25:46,546 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 14:25:46,547 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 14:25:46,547 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:20 [2019-12-07 14:25:46,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:25:46,599 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:25:46,637 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2019-12-07 14:25:46,639 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 14:25:46,642 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 14:25:46,642 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 14:25:46,645 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 14:25:46,645 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 14:25:46,646 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2019-12-07 14:25:46,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:25:46,689 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1635926067] [2019-12-07 14:25:46,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:25:46,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-12-07 14:25:46,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140534080] [2019-12-07 14:25:46,690 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 14:25:46,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:25:46,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 14:25:46,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2019-12-07 14:25:46,691 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 12 states. [2019-12-07 14:25:46,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:25:46,924 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-12-07 14:25:46,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 14:25:46,925 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2019-12-07 14:25:46,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:25:46,925 INFO L225 Difference]: With dead ends: 16 [2019-12-07 14:25:46,925 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:25:46,925 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-12-07 14:25:46,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:25:46,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:25:46,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:25:46,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:25:46,926 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-12-07 14:25:46,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:25:46,926 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:25:46,926 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 14:25:46,927 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:25:46,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:25:47,127 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 14:25:47,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 14:25:47,296 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2019-12-07 14:25:47,341 INFO L246 CegarLoopResult]: For program point L60(lines 60 72) no Hoare annotation was computed. [2019-12-07 14:25:47,342 INFO L246 CegarLoopResult]: For program point L52(lines 52 55) no Hoare annotation was computed. [2019-12-07 14:25:47,342 INFO L246 CegarLoopResult]: For program point L44(lines 44 49) no Hoare annotation was computed. [2019-12-07 14:25:47,342 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:25:47,342 INFO L246 CegarLoopResult]: For program point L61(lines 61 70) no Hoare annotation was computed. [2019-12-07 14:25:47,342 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 14:25:47,342 INFO L246 CegarLoopResult]: For program point L61-1(lines 61 70) no Hoare annotation was computed. [2019-12-07 14:25:47,342 INFO L246 CegarLoopResult]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-12-07 14:25:47,342 INFO L246 CegarLoopResult]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2019-12-07 14:25:47,342 INFO L246 CegarLoopResult]: For program point L95(lines 95 98) no Hoare annotation was computed. [2019-12-07 14:25:47,342 INFO L246 CegarLoopResult]: For program point L62(lines 62 69) no Hoare annotation was computed. [2019-12-07 14:25:47,343 INFO L246 CegarLoopResult]: For program point L29(lines 29 73) no Hoare annotation was computed. [2019-12-07 14:25:47,343 INFO L246 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2019-12-07 14:25:47,343 INFO L246 CegarLoopResult]: For program point L30(lines 30 50) no Hoare annotation was computed. [2019-12-07 14:25:47,343 INFO L246 CegarLoopResult]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2019-12-07 14:25:47,343 INFO L242 CegarLoopResult]: At program point L22-2(lines 22 27) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start_main_~x~0 (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_ceil_double_~x (let ((.cse0 (concat (_ bv2147483648 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) [2019-12-07 14:25:47,343 INFO L246 CegarLoopResult]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2019-12-07 14:25:47,343 INFO L242 CegarLoopResult]: At program point L80(lines 19 81) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (concat (_ bv2147483648 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))))) (and (= .cse0 |ULTIMATE.start_ceil_double_#res|) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) (= ULTIMATE.start_ceil_double_~i1~0 (_ bv0 32)) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.neg (_ +zero 11 53))) (= (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32))) (bvadd ULTIMATE.start_ceil_double_~j0~0 (_ bv1023 32))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_ceil_double_~i0~0) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.neg (_ +zero 11 53))))) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start_main_~x~0 (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_ceil_double_~x .cse0))) [2019-12-07 14:25:47,344 INFO L246 CegarLoopResult]: For program point L31(lines 31 39) no Hoare annotation was computed. [2019-12-07 14:25:47,344 INFO L246 CegarLoopResult]: For program point L32(lines 32 38) no Hoare annotation was computed. [2019-12-07 14:25:47,344 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 14:25:47,344 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 96) no Hoare annotation was computed. [2019-12-07 14:25:47,344 INFO L246 CegarLoopResult]: For program point L74(lines 74 79) no Hoare annotation was computed. [2019-12-07 14:25:47,344 INFO L246 CegarLoopResult]: For program point L74-1(lines 19 81) no Hoare annotation was computed. [2019-12-07 14:25:47,344 INFO L246 CegarLoopResult]: For program point L74-2(lines 74 79) no Hoare annotation was computed. [2019-12-07 14:25:47,345 INFO L246 CegarLoopResult]: For program point L66(lines 66 67) no Hoare annotation was computed. [2019-12-07 14:25:47,345 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:25:47,345 INFO L246 CegarLoopResult]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2019-12-07 14:25:47,345 INFO L246 CegarLoopResult]: For program point L58(lines 58 59) no Hoare annotation was computed. [2019-12-07 14:25:47,345 INFO L246 CegarLoopResult]: For program point L42(lines 42 43) no Hoare annotation was computed. [2019-12-07 14:25:47,345 INFO L249 CegarLoopResult]: At program point L100(lines 83 101) the Hoare annotation is: true [2019-12-07 14:25:47,345 INFO L246 CegarLoopResult]: For program point L51(lines 51 73) no Hoare annotation was computed. [2019-12-07 14:25:47,346 INFO L246 CegarLoopResult]: For program point L35(lines 35 38) no Hoare annotation was computed. [2019-12-07 14:25:47,350 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:693) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:215) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) 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) [2019-12-07 14:25:47,352 INFO L168 Benchmark]: Toolchain (without parser) took 4891.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 952.4 MB in the beginning and 947.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 135.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:47,352 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:25:47,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 207.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:47,353 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.08 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. [2019-12-07 14:25:47,354 INFO L168 Benchmark]: Boogie Preprocessor took 22.70 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. [2019-12-07 14:25:47,354 INFO L168 Benchmark]: RCFGBuilder took 1021.42 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: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:47,354 INFO L168 Benchmark]: TraceAbstraction took 3609.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 947.2 MB in the end (delta: 143.2 MB). Peak memory consumption was 143.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:47,357 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 207.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.70 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 1021.42 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: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3609.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 947.2 MB in the end (delta: 143.2 MB). Peak memory consumption was 143.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 96]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...