./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0683a.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_edcacbdd-c8ed-46b2-90bb-2282f357d817/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0683a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/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 4b7d4ca5abe407f92e494aeba8bd319058a84bcf ............................................................................................................................................................................................................................................................................................................................................................................................... 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_edcacbdd-c8ed-46b2-90bb-2282f357d817/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0683a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/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 4b7d4ca5abe407f92e494aeba8bd319058a84bcf ................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:22:41,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:22:41,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:22:41,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:22:41,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:22:41,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:22:41,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:22:41,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:22:41,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:22:41,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:22:41,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:22:41,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:22:41,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:22:41,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:22:41,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:22:41,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:22:41,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:22:41,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:22:41,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:22:41,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:22:41,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:22:41,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:22:41,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:22:41,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:22:41,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:22:41,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:22:41,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:22:41,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:22:41,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:22:41,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:22:41,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:22:41,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:22:41,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:22:41,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:22:41,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:22:41,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:22:41,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:22:41,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:22:41,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:22:41,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:22:41,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:22:41,218 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:22:41,230 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:22:41,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:22:41,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:22:41,231 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:22:41,231 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:22:41,232 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:22:41,232 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:22:41,232 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:22:41,232 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:22:41,232 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:22:41,232 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:22:41,232 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:22:41,233 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:22:41,233 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:22:41,233 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:22:41,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:22:41,234 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:22:41,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:22:41,234 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:22:41,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:22:41,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:22:41,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:22:41,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:22:41,234 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:22:41,235 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:22:41,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:22:41,235 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:22:41,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:22:41,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:22:41,235 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:22:41,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:22:41,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:22:41,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:22:41,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:22:41,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:22:41,236 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:22:41,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:22:41,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:22:41,236 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:22:41,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:22:41,236 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_edcacbdd-c8ed-46b2-90bb-2282f357d817/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 -> 4b7d4ca5abe407f92e494aeba8bd319058a84bcf [2019-12-07 20:22:41,339 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:22:41,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:22:41,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:22:41,354 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:22:41,354 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:22:41,354 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2019-12-07 20:22:41,401 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/bin/utaipan/data/6ec43c5ca/3730cc10863e4da6b622b9451e0a26e8/FLAGda0e157cf [2019-12-07 20:22:41,781 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:22:41,781 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2019-12-07 20:22:41,786 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/bin/utaipan/data/6ec43c5ca/3730cc10863e4da6b622b9451e0a26e8/FLAGda0e157cf [2019-12-07 20:22:42,174 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/bin/utaipan/data/6ec43c5ca/3730cc10863e4da6b622b9451e0a26e8 [2019-12-07 20:22:42,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:22:42,178 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:22:42,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:22:42,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:22:42,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:22:42,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:22:42" (1/1) ... [2019-12-07 20:22:42,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56dd6210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:42, skipping insertion in model container [2019-12-07 20:22:42,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:22:42" (1/1) ... [2019-12-07 20:22:42,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:22:42,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:22:42,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:22:42,385 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:22:42,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:22:42,439 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:22:42,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:42 WrapperNode [2019-12-07 20:22:42,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:22:42,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:22:42,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:22:42,440 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:22:42,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:42" (1/1) ... [2019-12-07 20:22:42,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:42" (1/1) ... [2019-12-07 20:22:42,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:22:42,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:22:42,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:22:42,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:22:42,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:42" (1/1) ... [2019-12-07 20:22:42,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:42" (1/1) ... [2019-12-07 20:22:42,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:42" (1/1) ... [2019-12-07 20:22:42,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:42" (1/1) ... [2019-12-07 20:22:42,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:42" (1/1) ... [2019-12-07 20:22:42,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:42" (1/1) ... [2019-12-07 20:22:42,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:42" (1/1) ... [2019-12-07 20:22:42,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:22:42,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:22:42,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:22:42,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:22:42,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/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 20:22:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:22:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 20:22:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 20:22:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 20:22:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:22:42,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:22:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 20:22:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 20:22:42,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 20:22:43,150 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:22:43,150 INFO L287 CfgBuilder]: Removed 56 assume(true) statements. [2019-12-07 20:22:43,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:22:43 BoogieIcfgContainer [2019-12-07 20:22:43,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:22:43,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:22:43,152 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:22:43,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:22:43,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:22:42" (1/3) ... [2019-12-07 20:22:43,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c2290ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:22:43, skipping insertion in model container [2019-12-07 20:22:43,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:42" (2/3) ... [2019-12-07 20:22:43,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c2290ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:22:43, skipping insertion in model container [2019-12-07 20:22:43,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:22:43" (3/3) ... [2019-12-07 20:22:43,158 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683a.c [2019-12-07 20:22:43,165 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:22:43,170 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 20:22:43,178 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 20:22:43,194 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:22:43,195 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:22:43,195 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:22:43,195 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:22:43,195 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:22:43,195 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:22:43,195 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:22:43,195 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:22:43,206 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2019-12-07 20:22:43,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 20:22:43,211 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:22:43,211 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:22:43,211 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:22:43,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:22:43,215 INFO L82 PathProgramCache]: Analyzing trace with hash -659787863, now seen corresponding path program 1 times [2019-12-07 20:22:43,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:22:43,221 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167068900] [2019-12-07 20:22:43,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:22:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:22:43,323 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 20:22:43,324 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167068900] [2019-12-07 20:22:43,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:22:43,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 20:22:43,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537253569] [2019-12-07 20:22:43,328 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:22:43,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:22:43,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:22:43,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:22:43,338 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 2 states. [2019-12-07 20:22:43,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:22:43,358 INFO L93 Difference]: Finished difference Result 189 states and 323 transitions. [2019-12-07 20:22:43,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:22:43,359 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2019-12-07 20:22:43,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:22:43,366 INFO L225 Difference]: With dead ends: 189 [2019-12-07 20:22:43,367 INFO L226 Difference]: Without dead ends: 92 [2019-12-07 20:22:43,369 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 20:22:43,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-12-07 20:22:43,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-12-07 20:22:43,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-12-07 20:22:43,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 123 transitions. [2019-12-07 20:22:43,396 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 123 transitions. Word has length 14 [2019-12-07 20:22:43,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:22:43,396 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 123 transitions. [2019-12-07 20:22:43,396 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:22:43,396 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 123 transitions. [2019-12-07 20:22:43,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 20:22:43,397 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:22:43,397 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 20:22:43,397 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:22:43,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:22:43,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1893719531, now seen corresponding path program 1 times [2019-12-07 20:22:43,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:22:43,398 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888653774] [2019-12-07 20:22:43,398 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:22:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:22:43,453 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 20:22:43,454 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888653774] [2019-12-07 20:22:43,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:22:43,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 20:22:43,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339384203] [2019-12-07 20:22:43,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:22:43,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:22:43,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:22:43,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:22:43,456 INFO L87 Difference]: Start difference. First operand 92 states and 123 transitions. Second operand 3 states. [2019-12-07 20:22:43,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:22:43,477 INFO L93 Difference]: Finished difference Result 176 states and 237 transitions. [2019-12-07 20:22:43,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:22:43,478 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-07 20:22:43,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:22:43,479 INFO L225 Difference]: With dead ends: 176 [2019-12-07 20:22:43,479 INFO L226 Difference]: Without dead ends: 92 [2019-12-07 20:22:43,480 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:22:43,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-12-07 20:22:43,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-12-07 20:22:43,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-12-07 20:22:43,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 122 transitions. [2019-12-07 20:22:43,487 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 122 transitions. Word has length 17 [2019-12-07 20:22:43,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:22:43,487 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 122 transitions. [2019-12-07 20:22:43,487 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:22:43,487 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 122 transitions. [2019-12-07 20:22:43,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 20:22:43,488 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:22:43,488 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:22:43,488 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:22:43,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:22:43,489 INFO L82 PathProgramCache]: Analyzing trace with hash -777725784, now seen corresponding path program 1 times [2019-12-07 20:22:43,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:22:43,489 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597053988] [2019-12-07 20:22:43,489 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:22:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:22:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:22:43,660 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 20:22:43,661 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 20:22:43,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:22:43 BoogieIcfgContainer [2019-12-07 20:22:43,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:22:43,694 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:22:43,694 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:22:43,695 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:22:43,695 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:22:43" (3/4) ... [2019-12-07 20:22:43,698 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 20:22:43,698 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:22:43,700 INFO L168 Benchmark]: Toolchain (without parser) took 1521.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 939.8 MB in the beginning and 923.1 MB in the end (delta: 16.7 MB). Peak memory consumption was 114.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:22:43,700 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:22:43,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -146.7 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:22:43,701 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:22:43,701 INFO L168 Benchmark]: Boogie Preprocessor took 43.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:22:43,702 INFO L168 Benchmark]: RCFGBuilder took 623.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 982.2 MB in the end (delta: 93.6 MB). Peak memory consumption was 93.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:22:43,702 INFO L168 Benchmark]: TraceAbstraction took 542.25 ms. Allocated memory is still 1.1 GB. Free memory was 982.2 MB in the beginning and 923.1 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:22:43,702 INFO L168 Benchmark]: Witness Printer took 3.63 ms. Allocated memory is still 1.1 GB. Free memory is still 923.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:22:43,705 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 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 261.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -146.7 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 623.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 982.2 MB in the end (delta: 93.6 MB). Peak memory consumption was 93.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 542.25 ms. Allocated memory is still 1.1 GB. Free memory was 982.2 MB in the beginning and 923.1 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.63 ms. Allocated memory is still 1.1 GB. Free memory is still 923.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 298]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryDOUBLEComparisonOperation at line 297. 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; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L289] double x = 1.0 / 0.0; [L290] double y = __VERIFIER_nondet_double(); [L246] __int32_t hx, lx; VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L248] ieee_double_shape_type ew_u; [L249] ew_u.value = (x) [L250] EXPR ew_u.parts.msw [L250] (hx) = ew_u.parts.msw [L251] EXPR ew_u.parts.lsw [L251] (lx) = ew_u.parts.lsw [L253] hx &= 0x7fffffff [L254] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L255] hx = 0x7ff00000 - hx [L256] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L292] EXPR isinf_double(x) && isfinite_double(y) [L260] __int32_t hx; VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L262] ieee_double_shape_type gh_u; [L263] gh_u.value = (x) [L264] EXPR gh_u.parts.msw [L264] (hx) = gh_u.parts.msw [L266] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); [L292] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L292] COND TRUE isinf_double(x) && isfinite_double(y) && y < 0.0 [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] 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_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L294] double res = __ieee754_atan2(y, x); [L297] 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_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L297] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L298] __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_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 95 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 250 SDtfs, 0 SDslu, 117 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 20:22:45,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:22:45,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:22:45,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:22:45,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:22:45,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:22:45,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:22:45,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:22:45,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:22:45,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:22:45,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:22:45,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:22:45,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:22:45,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:22:45,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:22:45,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:22:45,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:22:45,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:22:45,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:22:45,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:22:45,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:22:45,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:22:45,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:22:45,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:22:45,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:22:45,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:22:45,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:22:45,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:22:45,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:22:45,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:22:45,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:22:45,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:22:45,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:22:45,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:22:45,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:22:45,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:22:45,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:22:45,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:22:45,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:22:45,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:22:45,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:22:45,086 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:22:45,096 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:22:45,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:22:45,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:22:45,097 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:22:45,097 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:22:45,097 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:22:45,097 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:22:45,097 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:22:45,097 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:22:45,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:22:45,098 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:22:45,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:22:45,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:22:45,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:22:45,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:22:45,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:22:45,099 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:22:45,099 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:22:45,099 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:22:45,099 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:22:45,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:22:45,099 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:22:45,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:22:45,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:22:45,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:22:45,100 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:22:45,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:22:45,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:22:45,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:22:45,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:22:45,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:22:45,101 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:22:45,101 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:22:45,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:22:45,101 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:22:45,101 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:22:45,102 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_edcacbdd-c8ed-46b2-90bb-2282f357d817/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 -> 4b7d4ca5abe407f92e494aeba8bd319058a84bcf [2019-12-07 20:22:45,290 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:22:45,301 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:22:45,304 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:22:45,305 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:22:45,305 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:22:45,306 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2019-12-07 20:22:45,350 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/bin/utaipan/data/7fa34e123/610facb8e3974ac7aa405c65a0e1629c/FLAG0a4bb66e3 [2019-12-07 20:22:45,761 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:22:45,762 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2019-12-07 20:22:45,767 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/bin/utaipan/data/7fa34e123/610facb8e3974ac7aa405c65a0e1629c/FLAG0a4bb66e3 [2019-12-07 20:22:46,124 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/bin/utaipan/data/7fa34e123/610facb8e3974ac7aa405c65a0e1629c [2019-12-07 20:22:46,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:22:46,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:22:46,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:22:46,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:22:46,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:22:46,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:22:46" (1/1) ... [2019-12-07 20:22:46,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f7a007c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:46, skipping insertion in model container [2019-12-07 20:22:46,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:22:46" (1/1) ... [2019-12-07 20:22:46,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:22:46,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:22:46,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:22:46,318 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:22:46,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:22:46,410 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:22:46,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:46 WrapperNode [2019-12-07 20:22:46,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:22:46,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:22:46,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:22:46,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:22:46,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:46" (1/1) ... [2019-12-07 20:22:46,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:46" (1/1) ... [2019-12-07 20:22:46,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:22:46,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:22:46,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:22:46,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:22:46,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:46" (1/1) ... [2019-12-07 20:22:46,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:46" (1/1) ... [2019-12-07 20:22:46,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:46" (1/1) ... [2019-12-07 20:22:46,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:46" (1/1) ... [2019-12-07 20:22:46,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:46" (1/1) ... [2019-12-07 20:22:46,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:46" (1/1) ... [2019-12-07 20:22:46,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:46" (1/1) ... [2019-12-07 20:22:46,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:22:46,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:22:46,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:22:46,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:22:46,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/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 20:22:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 20:22:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 20:22:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:22:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 20:22:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 20:22:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:22:46,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:22:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 20:22:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 20:23:24,341 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:23:24,341 INFO L287 CfgBuilder]: Removed 56 assume(true) statements. [2019-12-07 20:23:24,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:23:24 BoogieIcfgContainer [2019-12-07 20:23:24,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:23:24,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:23:24,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:23:24,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:23:24,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:22:46" (1/3) ... [2019-12-07 20:23:24,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72ea1be5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:23:24, skipping insertion in model container [2019-12-07 20:23:24,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:22:46" (2/3) ... [2019-12-07 20:23:24,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72ea1be5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:23:24, skipping insertion in model container [2019-12-07 20:23:24,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:23:24" (3/3) ... [2019-12-07 20:23:24,347 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683a.c [2019-12-07 20:23:24,354 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:23:24,359 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 20:23:24,366 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 20:23:24,382 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:23:24,382 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:23:24,382 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:23:24,382 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:23:24,382 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:23:24,382 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:23:24,383 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:23:24,383 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:23:24,394 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2019-12-07 20:23:24,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 20:23:24,398 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:23:24,399 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:23:24,399 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:23:24,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:23:24,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1964703289, now seen corresponding path program 1 times [2019-12-07 20:23:24,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:23:24,411 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [567231363] [2019-12-07 20:23:24,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/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 20:23:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:23:24,756 INFO L264 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:23:24,760 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:23:24,772 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 20:23:24,772 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:23:24,776 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 20:23:24,777 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [567231363] [2019-12-07 20:23:24,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:23:24,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:23:24,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119261374] [2019-12-07 20:23:24,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:23:24,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:23:24,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:23:24,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:23:24,793 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2019-12-07 20:23:24,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:23:24,815 INFO L93 Difference]: Finished difference Result 256 states and 428 transitions. [2019-12-07 20:23:24,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:23:24,816 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 20:23:24,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:23:24,824 INFO L225 Difference]: With dead ends: 256 [2019-12-07 20:23:24,825 INFO L226 Difference]: Without dead ends: 125 [2019-12-07 20:23:24,827 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 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 20:23:24,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-12-07 20:23:24,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-12-07 20:23:24,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-12-07 20:23:24,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 175 transitions. [2019-12-07 20:23:24,857 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 175 transitions. Word has length 16 [2019-12-07 20:23:24,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:23:24,857 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 175 transitions. [2019-12-07 20:23:24,857 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:23:24,857 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2019-12-07 20:23:24,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 20:23:24,858 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:23:24,858 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:23:25,059 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:23:25,059 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:23:25,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:23:25,060 INFO L82 PathProgramCache]: Analyzing trace with hash 553662369, now seen corresponding path program 1 times [2019-12-07 20:23:25,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:23:25,062 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1197754051] [2019-12-07 20:23:25,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/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 20:23:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:23:25,476 INFO L264 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:23:25,478 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:23:25,490 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 20:23:25,490 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:23:25,493 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 20:23:25,493 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1197754051] [2019-12-07 20:23:25,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:23:25,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 20:23:25,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175593765] [2019-12-07 20:23:25,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:23:25,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:23:25,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:23:25,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:23:25,495 INFO L87 Difference]: Start difference. First operand 125 states and 175 transitions. Second operand 3 states. [2019-12-07 20:23:25,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:23:25,535 INFO L93 Difference]: Finished difference Result 239 states and 338 transitions. [2019-12-07 20:23:25,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:23:25,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-07 20:23:25,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:23:25,537 INFO L225 Difference]: With dead ends: 239 [2019-12-07 20:23:25,538 INFO L226 Difference]: Without dead ends: 125 [2019-12-07 20:23:25,539 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:23:25,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-12-07 20:23:25,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-12-07 20:23:25,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-12-07 20:23:25,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 174 transitions. [2019-12-07 20:23:25,547 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 174 transitions. Word has length 19 [2019-12-07 20:23:25,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:23:25,547 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 174 transitions. [2019-12-07 20:23:25,547 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:23:25,547 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 174 transitions. [2019-12-07 20:23:25,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 20:23:25,548 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:23:25,548 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:23:25,748 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:23:25,749 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:23:25,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:23:25,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1139099466, now seen corresponding path program 1 times [2019-12-07 20:23:25,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:23:25,751 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1998512859] [2019-12-07 20:23:25,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/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 20:23:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:23:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:23:27,545 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 20:23:27,545 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 20:23:27,746 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:23:27,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:23:27 BoogieIcfgContainer [2019-12-07 20:23:27,789 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:23:27,790 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:23:27,790 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:23:27,790 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:23:27,790 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:23:24" (3/4) ... [2019-12-07 20:23:27,792 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 20:23:27,847 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_edcacbdd-c8ed-46b2-90bb-2282f357d817/bin/utaipan/witness.graphml [2019-12-07 20:23:27,847 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:23:27,848 INFO L168 Benchmark]: Toolchain (without parser) took 41720.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 952.4 MB in the beginning and 904.8 MB in the end (delta: 47.6 MB). Peak memory consumption was 183.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:23:27,849 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 20:23:27,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:23:27,849 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.46 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:23:27,850 INFO L168 Benchmark]: Boogie Preprocessor took 48.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:23:27,850 INFO L168 Benchmark]: RCFGBuilder took 37837.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.3 MB). Peak memory consumption was 77.3 MB. Max. memory is 11.5 GB. [2019-12-07 20:23:27,850 INFO L168 Benchmark]: TraceAbstraction took 3446.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 911.3 MB in the end (delta: 111.4 MB). Peak memory consumption was 111.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:23:27,851 INFO L168 Benchmark]: Witness Printer took 57.63 ms. Allocated memory is still 1.2 GB. Free memory was 911.3 MB in the beginning and 904.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:23:27,852 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 282.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.46 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 37837.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.3 MB). Peak memory consumption was 77.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3446.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 911.3 MB in the end (delta: 111.4 MB). Peak memory consumption was 111.4 MB. Max. memory is 11.5 GB. * Witness Printer took 57.63 ms. Allocated memory is still 1.2 GB. Free memory was 911.3 MB in the beginning and 904.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 298]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a 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; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L289] double x = 1.0 / 0.0; [L290] double y = __VERIFIER_nondet_double(); [L246] __int32_t hx, lx; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L248] ieee_double_shape_type ew_u; [L249] ew_u.value = (x) [L250] EXPR ew_u.parts.msw [L250] (hx) = ew_u.parts.msw [L251] EXPR ew_u.parts.lsw [L251] (lx) = ew_u.parts.lsw [L253] hx &= 0x7fffffff [L254] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L255] hx = 0x7ff00000 - hx [L256] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L292] EXPR isinf_double(x) && isfinite_double(y) [L260] __int32_t hx; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L262] ieee_double_shape_type gh_u; [L263] gh_u.value = (x) [L264] EXPR gh_u.parts.msw [L264] (hx) = gh_u.parts.msw [L266] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L292] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L292] COND TRUE isinf_double(x) && isfinite_double(y) && y < 0.0 [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L294] double res = __ieee754_atan2(y, x); [L297] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L297] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L298] __VERIFIER_error() VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 1 error locations. Result: UNSAFE, OverallTime: 3.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 355 SDtfs, 0 SDslu, 169 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 1134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 263 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...