./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0620a.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_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0620a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 04e5b929de4769f01a6c1d571d92eec73b544ab1 ............................................................................................................................................................................................................................................................................................................................. 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_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0620a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 04e5b929de4769f01a6c1d571d92eec73b544ab1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:14:48,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:14:48,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:14:48,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:14:48,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:14:48,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:14:48,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:14:48,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:14:48,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:14:48,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:14:48,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:14:48,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:14:48,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:14:48,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:14:48,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:14:48,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:14:48,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:14:48,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:14:48,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:14:48,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:14:48,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:14:48,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:14:48,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:14:48,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:14:48,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:14:48,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:14:48,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:14:48,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:14:48,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:14:48,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:14:48,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:14:48,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:14:48,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:14:48,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:14:48,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:14:48,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:14:48,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:14:48,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:14:48,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:14:48,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:14:48,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:14:48,227 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:14:48,239 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:14:48,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:14:48,240 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:14:48,240 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:14:48,241 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:14:48,241 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:14:48,241 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:14:48,241 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:14:48,241 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:14:48,241 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:14:48,242 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:14:48,242 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:14:48,242 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:14:48,242 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:14:48,243 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:14:48,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:14:48,243 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:14:48,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:14:48,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:14:48,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:14:48,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:14:48,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:14:48,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:14:48,245 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:14:48,245 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:14:48,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:14:48,245 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:14:48,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:14:48,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:14:48,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:14:48,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:14:48,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:14:48,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:14:48,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:14:48,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:14:48,247 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:14:48,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:14:48,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:14:48,247 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:14:48,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:14:48,248 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan 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 -> Taipan 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 -> 04e5b929de4769f01a6c1d571d92eec73b544ab1 [2019-12-07 20:14:48,367 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:14:48,377 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:14:48,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:14:48,381 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:14:48,382 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:14:48,382 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0620a.c [2019-12-07 20:14:48,430 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/data/76d957068/b49e4fb4f43d4e9fabc722e04c0693ad/FLAG4366dbb1f [2019-12-07 20:14:48,846 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:14:48,846 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/sv-benchmarks/c/float-newlib/double_req_bl_0620a.c [2019-12-07 20:14:48,851 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/data/76d957068/b49e4fb4f43d4e9fabc722e04c0693ad/FLAG4366dbb1f [2019-12-07 20:14:48,859 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/data/76d957068/b49e4fb4f43d4e9fabc722e04c0693ad [2019-12-07 20:14:48,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:14:48,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:14:48,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:14:48,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:14:48,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:14:48,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:14:48" (1/1) ... [2019-12-07 20:14:48,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4516f6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:48, skipping insertion in model container [2019-12-07 20:14:48,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:14:48" (1/1) ... [2019-12-07 20:14:48,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:14:48,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:14:49,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:14:49,063 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:14:49,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:14:49,106 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:14:49,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:49 WrapperNode [2019-12-07 20:14:49,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:14:49,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:14:49,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:14:49,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:14:49,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:49" (1/1) ... [2019-12-07 20:14:49,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:49" (1/1) ... [2019-12-07 20:14:49,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:14:49,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:14:49,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:14:49,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:14:49,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:49" (1/1) ... [2019-12-07 20:14:49,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:49" (1/1) ... [2019-12-07 20:14:49,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:49" (1/1) ... [2019-12-07 20:14:49,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:49" (1/1) ... [2019-12-07 20:14:49,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:49" (1/1) ... [2019-12-07 20:14:49,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:49" (1/1) ... [2019-12-07 20:14:49,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:49" (1/1) ... [2019-12-07 20:14:49,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:14:49,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:14:49,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:14:49,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:14:49,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/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 20:14:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:14:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 20:14:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 20:14:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 20:14:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:14:49,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:14:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 20:14:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 20:14:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 20:14:49,495 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:14:49,496 INFO L287 CfgBuilder]: Removed 20 assume(true) statements. [2019-12-07 20:14:49,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:14:49 BoogieIcfgContainer [2019-12-07 20:14:49,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:14:49,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:14:49,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:14:49,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:14:49,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:14:48" (1/3) ... [2019-12-07 20:14:49,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6799f26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:14:49, skipping insertion in model container [2019-12-07 20:14:49,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:49" (2/3) ... [2019-12-07 20:14:49,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6799f26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:14:49, skipping insertion in model container [2019-12-07 20:14:49,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:14:49" (3/3) ... [2019-12-07 20:14:49,501 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0620a.c [2019-12-07 20:14:49,507 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:14:49,512 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 20:14:49,519 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 20:14:49,534 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:14:49,534 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:14:49,534 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:14:49,534 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:14:49,534 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:14:49,534 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:14:49,534 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:14:49,534 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:14:49,544 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-12-07 20:14:49,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 20:14:49,548 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:14:49,548 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:14:49,549 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:14:49,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:14:49,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1218409625, now seen corresponding path program 1 times [2019-12-07 20:14:49,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:14:49,558 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828469669] [2019-12-07 20:14:49,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:14:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:14:49,649 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 20:14:49,649 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828469669] [2019-12-07 20:14:49,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:14:49,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 20:14:49,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003830002] [2019-12-07 20:14:49,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:14:49,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:14:49,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:14:49,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:14:49,663 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 2 states. [2019-12-07 20:14:49,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:14:49,675 INFO L93 Difference]: Finished difference Result 55 states and 85 transitions. [2019-12-07 20:14:49,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:14:49,676 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 20:14:49,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:14:49,682 INFO L225 Difference]: With dead ends: 55 [2019-12-07 20:14:49,682 INFO L226 Difference]: Without dead ends: 26 [2019-12-07 20:14:49,684 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 20:14:49,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-12-07 20:14:49,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-12-07 20:14:49,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-12-07 20:14:49,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2019-12-07 20:14:49,706 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 10 [2019-12-07 20:14:49,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:14:49,706 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2019-12-07 20:14:49,706 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:14:49,706 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2019-12-07 20:14:49,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 20:14:49,706 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:14:49,707 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:14:49,707 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:14:49,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:14:49,707 INFO L82 PathProgramCache]: Analyzing trace with hash 942524763, now seen corresponding path program 1 times [2019-12-07 20:14:49,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:14:49,707 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802629986] [2019-12-07 20:14:49,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:14:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:14:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:14:49,800 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 20:14:49,801 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 20:14:49,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:14:49 BoogieIcfgContainer [2019-12-07 20:14:49,826 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:14:49,826 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:14:49,827 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:14:49,827 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:14:49,827 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:14:49" (3/4) ... [2019-12-07 20:14:49,830 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 20:14:49,830 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:14:49,831 INFO L168 Benchmark]: Toolchain (without parser) took 969.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 945.3 MB in the beginning and 1.0 GB in the end (delta: -80.8 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:14:49,832 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:14:49,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 20:14:49,832 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.70 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 20:14:49,833 INFO L168 Benchmark]: Boogie Preprocessor took 25.37 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 20:14:49,833 INFO L168 Benchmark]: RCFGBuilder took 330.07 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: 39.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:14:49,833 INFO L168 Benchmark]: TraceAbstraction took 329.14 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:14:49,834 INFO L168 Benchmark]: Witness Printer took 3.26 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 20:14:49,836 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 244.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.70 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 25.37 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. * RCFGBuilder took 330.07 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: 39.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 329.14 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.26 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: 159]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of bitwiseAnd at line 73, overapproximation of someBinaryArithmeticDOUBLEoperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 158. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L154] double x = -0.0; [L65] double w, s1, s2, z; [L66] __int32_t ix, hx, id; VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L69] ieee_double_shape_type gh_u; [L70] gh_u.value = (x) [L71] EXPR gh_u.parts.msw [L71] (hx) = gh_u.parts.msw [L73] ix = hx & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L74] COND TRUE ix >= 0x44100000 [L75] __uint32_t low; VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L77] ieee_double_shape_type gl_u; [L78] gl_u.value = (x) [L79] EXPR gl_u.parts.lsw [L79] (low) = gl_u.parts.lsw [L81] COND FALSE !(ix > 0x7ff00000 || (ix == 0x7ff00000 && (low != 0))) [L83] COND TRUE hx > 0 [L84] EXPR atanhi_atan[3] [L84] EXPR atanlo_atan[3] [L84] return atanhi_atan[3] + atanlo_atan[3]; [L155] double res = atan_double(x); [L158] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L158] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L159] __VERIFIER_error() VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 32 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=28occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 20:14:51,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:14:51,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:14:51,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:14:51,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:14:51,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:14:51,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:14:51,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:14:51,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:14:51,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:14:51,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:14:51,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:14:51,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:14:51,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:14:51,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:14:51,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:14:51,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:14:51,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:14:51,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:14:51,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:14:51,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:14:51,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:14:51,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:14:51,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:14:51,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:14:51,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:14:51,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:14:51,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:14:51,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:14:51,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:14:51,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:14:51,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:14:51,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:14:51,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:14:51,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:14:51,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:14:51,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:14:51,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:14:51,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:14:51,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:14:51,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:14:51,220 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:14:51,233 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:14:51,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:14:51,234 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:14:51,235 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:14:51,235 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:14:51,235 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:14:51,235 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:14:51,235 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:14:51,236 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:14:51,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:14:51,236 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:14:51,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:14:51,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:14:51,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:14:51,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:14:51,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:14:51,238 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:14:51,238 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:14:51,238 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:14:51,238 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:14:51,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:14:51,238 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:14:51,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:14:51,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:14:51,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:14:51,239 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:14:51,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:14:51,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:14:51,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:14:51,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:14:51,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:14:51,240 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:14:51,240 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:14:51,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:14:51,241 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:14:51,241 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:14:51,241 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_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan 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 -> Taipan 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 -> 04e5b929de4769f01a6c1d571d92eec73b544ab1 [2019-12-07 20:14:51,415 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:14:51,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:14:51,428 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:14:51,429 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:14:51,430 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:14:51,430 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0620a.c [2019-12-07 20:14:51,469 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/data/9b0cb9721/190a4834cf534984a3dc1da5398498fe/FLAG067784b54 [2019-12-07 20:14:51,814 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:14:51,815 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/sv-benchmarks/c/float-newlib/double_req_bl_0620a.c [2019-12-07 20:14:51,820 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/data/9b0cb9721/190a4834cf534984a3dc1da5398498fe/FLAG067784b54 [2019-12-07 20:14:51,828 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/data/9b0cb9721/190a4834cf534984a3dc1da5398498fe [2019-12-07 20:14:51,830 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:14:51,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:14:51,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:14:51,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:14:51,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:14:51,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:14:51" (1/1) ... [2019-12-07 20:14:51,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b30e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:51, skipping insertion in model container [2019-12-07 20:14:51,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:14:51" (1/1) ... [2019-12-07 20:14:51,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:14:51,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:14:51,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:14:51,992 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:14:52,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:14:52,080 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:14:52,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:52 WrapperNode [2019-12-07 20:14:52,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:14:52,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:14:52,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:14:52,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:14:52,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:52" (1/1) ... [2019-12-07 20:14:52,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:52" (1/1) ... [2019-12-07 20:14:52,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:14:52,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:14:52,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:14:52,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:14:52,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:52" (1/1) ... [2019-12-07 20:14:52,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:52" (1/1) ... [2019-12-07 20:14:52,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:52" (1/1) ... [2019-12-07 20:14:52,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:52" (1/1) ... [2019-12-07 20:14:52,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:52" (1/1) ... [2019-12-07 20:14:52,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:52" (1/1) ... [2019-12-07 20:14:52,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:52" (1/1) ... [2019-12-07 20:14:52,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:14:52,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:14:52,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:14:52,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:14:52,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/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 20:14:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 20:14:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 20:14:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:14:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 20:14:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 20:14:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:14:52,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:14:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 20:14:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 20:15:08,738 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:15:08,738 INFO L287 CfgBuilder]: Removed 20 assume(true) statements. [2019-12-07 20:15:08,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:15:08 BoogieIcfgContainer [2019-12-07 20:15:08,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:15:08,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:15:08,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:15:08,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:15:08,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:14:51" (1/3) ... [2019-12-07 20:15:08,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119faf06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:15:08, skipping insertion in model container [2019-12-07 20:15:08,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:52" (2/3) ... [2019-12-07 20:15:08,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119faf06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:15:08, skipping insertion in model container [2019-12-07 20:15:08,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:15:08" (3/3) ... [2019-12-07 20:15:08,744 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0620a.c [2019-12-07 20:15:08,751 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:15:08,755 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 20:15:08,763 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 20:15:08,778 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:15:08,778 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:15:08,778 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:15:08,778 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:15:08,778 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:15:08,778 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:15:08,778 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:15:08,778 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:15:08,789 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2019-12-07 20:15:08,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 20:15:08,793 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:15:08,794 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:15:08,794 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:15:08,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:15:08,798 INFO L82 PathProgramCache]: Analyzing trace with hash 2040843078, now seen corresponding path program 1 times [2019-12-07 20:15:08,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:15:08,807 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [924707452] [2019-12-07 20:15:08,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/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 20:15:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:15:09,079 INFO L264 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:15:09,083 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:15:09,092 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 20:15:09,093 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:15:09,095 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 20:15:09,096 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [924707452] [2019-12-07 20:15:09,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:15:09,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:15:09,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264927083] [2019-12-07 20:15:09,100 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:15:09,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:15:09,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:15:09,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:15:09,111 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 2 states. [2019-12-07 20:15:09,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:15:09,126 INFO L93 Difference]: Finished difference Result 76 states and 120 transitions. [2019-12-07 20:15:09,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:15:09,127 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 20:15:09,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:15:09,137 INFO L225 Difference]: With dead ends: 76 [2019-12-07 20:15:09,137 INFO L226 Difference]: Without dead ends: 36 [2019-12-07 20:15:09,140 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:15:09,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-12-07 20:15:09,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-12-07 20:15:09,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-12-07 20:15:09,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 47 transitions. [2019-12-07 20:15:09,164 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 47 transitions. Word has length 11 [2019-12-07 20:15:09,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:15:09,164 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 47 transitions. [2019-12-07 20:15:09,164 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:15:09,164 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2019-12-07 20:15:09,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 20:15:09,165 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:15:09,165 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:15:09,365 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:15:09,366 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:15:09,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:15:09,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1316832376, now seen corresponding path program 1 times [2019-12-07 20:15:09,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:15:09,368 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2009097790] [2019-12-07 20:15:09,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/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 20:15:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:15:09,685 INFO L264 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 20:15:09,687 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:15:09,746 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 20:15:09,746 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:15:09,798 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 20:15:09,798 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2009097790] [2019-12-07 20:15:09,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:15:09,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 20:15:09,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899300502] [2019-12-07 20:15:09,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:15:09,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:15:09,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:15:09,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:15:09,800 INFO L87 Difference]: Start difference. First operand 36 states and 47 transitions. Second operand 8 states. [2019-12-07 20:15:18,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:15:18,221 INFO L93 Difference]: Finished difference Result 59 states and 72 transitions. [2019-12-07 20:15:18,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:15:18,222 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2019-12-07 20:15:18,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:15:18,223 INFO L225 Difference]: With dead ends: 59 [2019-12-07 20:15:18,223 INFO L226 Difference]: Without dead ends: 32 [2019-12-07 20:15:18,224 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 20:15:18,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-12-07 20:15:18,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2019-12-07 20:15:18,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-12-07 20:15:18,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2019-12-07 20:15:18,228 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 13 [2019-12-07 20:15:18,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:15:18,228 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2019-12-07 20:15:18,228 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:15:18,228 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2019-12-07 20:15:18,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 20:15:18,229 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:15:18,229 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:15:18,430 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:15:18,430 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:15:18,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:15:18,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1440122883, now seen corresponding path program 1 times [2019-12-07 20:15:18,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:15:18,431 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [379785491] [2019-12-07 20:15:18,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/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 20:15:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:15:18,740 INFO L264 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:15:18,741 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:15:18,769 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 20:15:18,769 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:15:18,770 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:15:18,797 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 20:15:18,797 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [379785491] [2019-12-07 20:15:18,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:15:18,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2019-12-07 20:15:18,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506197780] [2019-12-07 20:15:18,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 20:15:18,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:15:18,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 20:15:18,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-12-07 20:15:18,799 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand 7 states. [2019-12-07 20:15:31,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:15:31,782 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2019-12-07 20:15:31,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 20:15:31,783 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2019-12-07 20:15:31,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:15:31,783 INFO L225 Difference]: With dead ends: 35 [2019-12-07 20:15:31,783 INFO L226 Difference]: Without dead ends: 32 [2019-12-07 20:15:31,784 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 20:15:31,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-12-07 20:15:31,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 25. [2019-12-07 20:15:31,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-07 20:15:31,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2019-12-07 20:15:31,787 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 13 [2019-12-07 20:15:31,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:15:31,788 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2019-12-07 20:15:31,788 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 20:15:31,788 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2019-12-07 20:15:31,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 20:15:31,788 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:15:31,789 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:15:31,989 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:15:31,990 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:15:31,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:15:31,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1041172097, now seen corresponding path program 1 times [2019-12-07 20:15:31,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:15:31,992 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [605534489] [2019-12-07 20:15:31,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/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 20:15:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:15:35,823 INFO L264 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:15:35,824 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:15:35,885 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 20:15:35,885 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:15:36,540 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-12-07 20:15:36,679 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 20:15:36,679 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [605534489] [2019-12-07 20:15:36,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:15:36,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-12-07 20:15:36,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620670212] [2019-12-07 20:15:36,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 20:15:36,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:15:36,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 20:15:36,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:15:36,681 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand 6 states. [2019-12-07 20:15:36,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:15:36,858 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2019-12-07 20:15:36,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:15:36,867 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2019-12-07 20:15:36,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:15:36,867 INFO L225 Difference]: With dead ends: 32 [2019-12-07 20:15:36,868 INFO L226 Difference]: Without dead ends: 18 [2019-12-07 20:15:36,868 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 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 20:15:36,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-12-07 20:15:36,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-12-07 20:15:36,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 20:15:36,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2019-12-07 20:15:36,871 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 16 [2019-12-07 20:15:36,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:15:36,871 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2019-12-07 20:15:36,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 20:15:36,871 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2019-12-07 20:15:36,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 20:15:36,872 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:15:36,872 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:15:37,072 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:15:37,073 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:15:37,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:15:37,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1453962584, now seen corresponding path program 1 times [2019-12-07 20:15:37,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:15:37,074 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1324794293] [2019-12-07 20:15:37,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 20:15:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:15:37,383 INFO L264 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 20:15:37,385 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:15:37,436 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:15:37,463 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 20:15:37,464 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:15:37,465 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:15:37,654 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 20:15:37,655 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1324794293] [2019-12-07 20:15:37,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:15:37,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2019-12-07 20:15:37,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330562237] [2019-12-07 20:15:37,656 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 20:15:37,656 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:15:37,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 20:15:37,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-12-07 20:15:37,657 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand 14 states. [2019-12-07 20:15:37,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:15:37,965 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-12-07 20:15:37,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 20:15:37,966 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 17 [2019-12-07 20:15:37,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:15:37,966 INFO L225 Difference]: With dead ends: 18 [2019-12-07 20:15:37,966 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:15:37,967 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2019-12-07 20:15:37,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:15:37,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:15:37,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:15:37,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:15:37,967 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2019-12-07 20:15:37,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:15:37,967 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:15:37,967 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 20:15:37,967 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:15:37,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:15:38,168 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 20:15:38,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:15:38,355 INFO L246 CegarLoopResult]: For program point L68-3(lines 68 72) no Hoare annotation was computed. [2019-12-07 20:15:38,355 INFO L246 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2019-12-07 20:15:38,355 INFO L246 CegarLoopResult]: For program point L126(lines 126 131) no Hoare annotation was computed. [2019-12-07 20:15:38,355 INFO L246 CegarLoopResult]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2019-12-07 20:15:38,355 INFO L242 CegarLoopResult]: At program point L19-2(lines 19 23) the Hoare annotation is: false [2019-12-07 20:15:38,356 INFO L242 CegarLoopResult]: At program point L143(lines 134 144) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0) (= ULTIMATE.start_main_~res~0 .cse0) (= .cse0 |ULTIMATE.start_atan_double_#res|) (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_atan~0) |ULTIMATE.start_main_#t~short31| (= (_ bv0 32) (bvadd |ULTIMATE.start___signbit_double_#res| (_ bv4294967295 32))) (= ULTIMATE.start_atan_double_~x .cse0) (exists ((|v_skolemized_q#valueAsBitvector_13| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_13|)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_13|)))) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___signbit_double_~x .cse0))) [2019-12-07 20:15:38,356 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:15:38,356 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 20:15:38,356 INFO L246 CegarLoopResult]: For program point L137-1(lines 137 141) no Hoare annotation was computed. [2019-12-07 20:15:38,356 INFO L242 CegarLoopResult]: At program point L137-2(lines 137 141) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0) (= ULTIMATE.start_main_~res~0 .cse0) (= .cse0 |ULTIMATE.start_atan_double_#res|) (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_atan~0) |ULTIMATE.start_main_#t~short31| (= ULTIMATE.start_atan_double_~x .cse0) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___signbit_double_~x .cse0))) [2019-12-07 20:15:38,356 INFO L246 CegarLoopResult]: For program point L137-3(lines 137 141) no Hoare annotation was computed. [2019-12-07 20:15:38,356 INFO L246 CegarLoopResult]: For program point L96(lines 96 112) no Hoare annotation was computed. [2019-12-07 20:15:38,356 INFO L242 CegarLoopResult]: At program point L30(lines 17 31) the Hoare annotation is: false [2019-12-07 20:15:38,357 INFO L246 CegarLoopResult]: For program point L88(lines 88 113) no Hoare annotation was computed. [2019-12-07 20:15:38,357 INFO L246 CegarLoopResult]: For program point L105(lines 105 111) no Hoare annotation was computed. [2019-12-07 20:15:38,357 INFO L246 CegarLoopResult]: For program point L105-2(lines 88 113) no Hoare annotation was computed. [2019-12-07 20:15:38,357 INFO L249 CegarLoopResult]: At program point L163(lines 146 164) the Hoare annotation is: true [2019-12-07 20:15:38,357 INFO L246 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2019-12-07 20:15:38,357 INFO L246 CegarLoopResult]: For program point L97(lines 97 103) no Hoare annotation was computed. [2019-12-07 20:15:38,357 INFO L246 CegarLoopResult]: For program point L130-2(line 130) no Hoare annotation was computed. [2019-12-07 20:15:38,357 INFO L242 CegarLoopResult]: At program point L130-3(lines 64 132) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0) (= .cse0 |ULTIMATE.start_atan_double_#res|) (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_atan~0) (= ULTIMATE.start_atan_double_~x .cse0) (= currentRoundingMode roundNearestTiesToEven))) [2019-12-07 20:15:38,358 INFO L246 CegarLoopResult]: For program point L89(lines 89 92) no Hoare annotation was computed. [2019-12-07 20:15:38,358 INFO L246 CegarLoopResult]: For program point L89-2(lines 89 92) no Hoare annotation was computed. [2019-12-07 20:15:38,358 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 20:15:38,358 INFO L246 CegarLoopResult]: For program point L90(lines 90 91) no Hoare annotation was computed. [2019-12-07 20:15:38,358 INFO L246 CegarLoopResult]: For program point L24(lines 24 29) no Hoare annotation was computed. [2019-12-07 20:15:38,358 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 159) no Hoare annotation was computed. [2019-12-07 20:15:38,358 INFO L246 CegarLoopResult]: For program point L24-1(lines 17 31) no Hoare annotation was computed. [2019-12-07 20:15:38,358 INFO L246 CegarLoopResult]: For program point L24-2(lines 24 29) no Hoare annotation was computed. [2019-12-07 20:15:38,358 INFO L246 CegarLoopResult]: For program point L74(lines 74 87) no Hoare annotation was computed. [2019-12-07 20:15:38,359 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:15:38,359 INFO L246 CegarLoopResult]: For program point L83(lines 83 86) no Hoare annotation was computed. [2019-12-07 20:15:38,359 INFO L246 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2019-12-07 20:15:38,359 INFO L246 CegarLoopResult]: For program point L158-2(lines 158 161) no Hoare annotation was computed. [2019-12-07 20:15:38,359 INFO L246 CegarLoopResult]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2019-12-07 20:15:38,359 INFO L242 CegarLoopResult]: At program point L76-2(lines 76 80) the Hoare annotation is: false [2019-12-07 20:15:38,359 INFO L246 CegarLoopResult]: For program point L76-3(lines 74 87) no Hoare annotation was computed. [2019-12-07 20:15:38,359 INFO L246 CegarLoopResult]: For program point L68-1(lines 68 72) no Hoare annotation was computed. [2019-12-07 20:15:38,359 INFO L242 CegarLoopResult]: At program point L68-2(lines 68 72) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0) (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_atan~0) (= ULTIMATE.start_atan_double_~x (fp.neg (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 20:15:38,368 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:38,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,372 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:38,372 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,373 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,373 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,374 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 20:15:38,374 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 20:15:38,375 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 20:15:38,375 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 20:15:38,375 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:38,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 20:15:38,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 20:15:38,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 20:15:38,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 20:15:38,376 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:38,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,377 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,377 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,377 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:38,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:38,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:38,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,380 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:38,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:15:38 BoogieIcfgContainer [2019-12-07 20:15:38,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:15:38,383 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:15:38,384 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:15:38,384 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:15:38,384 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:15:08" (3/4) ... [2019-12-07 20:15:38,387 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:15:38,397 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2019-12-07 20:15:38,397 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-12-07 20:15:38,398 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:15:38,418 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_atan && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-12-07 20:15:38,419 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_atan && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2019-12-07 20:15:38,419 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_atan && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && msw == v_skolemized_q#valueAsBitvector_13[63:32])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2019-12-07 20:15:38,453 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7ea34ee1-ed35-4d49-adac-1ccba49f2a75/bin/utaipan/witness.graphml [2019-12-07 20:15:38,453 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:15:38,454 INFO L168 Benchmark]: Toolchain (without parser) took 46622.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.0 MB in the beginning and 838.0 MB in the end (delta: 113.0 MB). Peak memory consumption was 243.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:15:38,454 INFO L168 Benchmark]: CDTParser took 0.17 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 20:15:38,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:15:38,454 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.98 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:15:38,455 INFO L168 Benchmark]: Boogie Preprocessor took 29.70 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 20:15:38,455 INFO L168 Benchmark]: RCFGBuilder took 16590.89 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: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:15:38,455 INFO L168 Benchmark]: TraceAbstraction took 29643.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 844.9 MB in the end (delta: 218.4 MB). Peak memory consumption was 218.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:15:38,455 INFO L168 Benchmark]: Witness Printer took 69.33 ms. Allocated memory is still 1.2 GB. Free memory was 844.9 MB in the beginning and 838.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:15:38,457 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 249.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.98 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.70 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 16590.89 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: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 29643.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 844.9 MB in the end (delta: 218.4 MB). Peak memory consumption was 218.4 MB. Max. memory is 11.5 GB. * Witness Printer took 69.33 ms. Allocated memory is still 1.2 GB. Free memory was 844.9 MB in the beginning and 838.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 159]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 64]: Loop Invariant [2019-12-07 20:15:38,461 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:38,462 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,462 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,462 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,462 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:38,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_atan && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 134]: Loop Invariant [2019-12-07 20:15:38,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 20:15:38,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 20:15:38,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 20:15:38,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 20:15:38,464 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:38,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,465 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 20:15:38,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 20:15:38,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 20:15:38,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 20:15:38,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:38,466 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,466 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,467 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_atan && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && msw == v_skolemized_q#valueAsBitvector_13[63:32])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant [2019-12-07 20:15:38,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:38,468 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,468 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,468 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,469 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:38,469 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,469 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,469 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_atan && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 68]: Loop Invariant [2019-12-07 20:15:38,470 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:38,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,471 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:38,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:38,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_atan && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 39 locations, 1 error locations. Result: SAFE, OverallTime: 29.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 21.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 113 SDtfs, 176 SDslu, 186 SDs, 0 SdLazy, 75 SolverSat, 13 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 20.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 101 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 13 NumberOfFragments, 127 HoareAnnotationTreeSize, 8 FomulaSimplifications, 24 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 4.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 130 ConstructedInterpolants, 16 QuantifiedInterpolants, 10009 SizeOfPredicates, 28 NumberOfNonLiveVariables, 555 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...