./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c1f4b5c4 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b4c34662463e17ac30593a66de4e00eb1d619b62 ......................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b4c34662463e17ac30593a66de4e00eb1d619b62 ........................................................................................................................................................................................................................................................................................................................................ 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-c1f4b5c [2019-12-08 15:49:03,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-08 15:49:03,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-08 15:49:03,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-08 15:49:03,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-08 15:49:03,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-08 15:49:03,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-08 15:49:03,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-08 15:49:03,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-08 15:49:03,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-08 15:49:03,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-08 15:49:03,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-08 15:49:03,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-08 15:49:03,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-08 15:49:03,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-08 15:49:03,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-08 15:49:03,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-08 15:49:03,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-08 15:49:03,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-08 15:49:03,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-08 15:49:03,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-08 15:49:03,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-08 15:49:03,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-08 15:49:03,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-08 15:49:03,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-08 15:49:03,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-08 15:49:03,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-08 15:49:03,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-08 15:49:03,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-08 15:49:03,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-08 15:49:03,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-08 15:49:03,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-08 15:49:03,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-08 15:49:03,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-08 15:49:03,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-08 15:49:03,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-08 15:49:03,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-08 15:49:03,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-08 15:49:03,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-08 15:49:03,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-08 15:49:03,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-08 15:49:03,096 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-08 15:49:03,111 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-08 15:49:03,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-08 15:49:03,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-08 15:49:03,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-08 15:49:03,113 INFO L138 SettingsManager]: * Use SBE=true [2019-12-08 15:49:03,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-08 15:49:03,114 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-08 15:49:03,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-08 15:49:03,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-08 15:49:03,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-08 15:49:03,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-08 15:49:03,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-08 15:49:03,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-08 15:49:03,116 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-08 15:49:03,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-08 15:49:03,116 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-08 15:49:03,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-08 15:49:03,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-08 15:49:03,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-08 15:49:03,117 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-08 15:49:03,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-08 15:49:03,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-08 15:49:03,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-08 15:49:03,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-08 15:49:03,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-08 15:49:03,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-08 15:49:03,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-08 15:49:03,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-08 15:49:03,120 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-08 15:49:03,120 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4c34662463e17ac30593a66de4e00eb1d619b62 [2019-12-08 15:49:03,434 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-08 15:49:03,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-08 15:49:03,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-08 15:49:03,458 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-08 15:49:03,460 INFO L275 PluginConnector]: CDTParser initialized [2019-12-08 15:49:03,460 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2019-12-08 15:49:03,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c94e744c5/d2e2546ca16145fba52375dc8ff8bb09/FLAG348b02e4a [2019-12-08 15:49:04,062 INFO L306 CDTParser]: Found 1 translation units. [2019-12-08 15:49:04,063 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2019-12-08 15:49:04,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c94e744c5/d2e2546ca16145fba52375dc8ff8bb09/FLAG348b02e4a [2019-12-08 15:49:04,415 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c94e744c5/d2e2546ca16145fba52375dc8ff8bb09 [2019-12-08 15:49:04,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-08 15:49:04,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-08 15:49:04,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-08 15:49:04,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-08 15:49:04,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-08 15:49:04,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:49:04" (1/1) ... [2019-12-08 15:49:04,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14919ab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:04, skipping insertion in model container [2019-12-08 15:49:04,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:49:04" (1/1) ... [2019-12-08 15:49:04,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-08 15:49:04,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-08 15:49:04,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:49:04,920 INFO L203 MainTranslator]: Completed pre-run [2019-12-08 15:49:04,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:49:04,995 INFO L208 MainTranslator]: Completed translation [2019-12-08 15:49:04,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:04 WrapperNode [2019-12-08 15:49:04,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-08 15:49:04,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-08 15:49:04,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-08 15:49:04,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-08 15:49:05,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:04" (1/1) ... [2019-12-08 15:49:05,020 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:04" (1/1) ... [2019-12-08 15:49:05,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-08 15:49:05,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-08 15:49:05,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-08 15:49:05,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-08 15:49:05,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:04" (1/1) ... [2019-12-08 15:49:05,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:04" (1/1) ... [2019-12-08 15:49:05,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:04" (1/1) ... [2019-12-08 15:49:05,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:04" (1/1) ... [2019-12-08 15:49:05,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:04" (1/1) ... [2019-12-08 15:49:05,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:04" (1/1) ... [2019-12-08 15:49:05,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:04" (1/1) ... [2019-12-08 15:49:05,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-08 15:49:05,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-08 15:49:05,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-08 15:49:05,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-08 15:49:05,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-12-08 15:49:05,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-08 15:49:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-08 15:49:05,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-08 15:49:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-08 15:49:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-08 15:49:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-08 15:49:05,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-08 15:49:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-08 15:49:05,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-08 15:49:06,113 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-08 15:49:06,114 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-08 15:49:06,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:49:06 BoogieIcfgContainer [2019-12-08 15:49:06,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-08 15:49:06,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-08 15:49:06,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-08 15:49:06,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-08 15:49:06,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:49:04" (1/3) ... [2019-12-08 15:49:06,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60d08ef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:49:06, skipping insertion in model container [2019-12-08 15:49:06,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:04" (2/3) ... [2019-12-08 15:49:06,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60d08ef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:49:06, skipping insertion in model container [2019-12-08 15:49:06,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:49:06" (3/3) ... [2019-12-08 15:49:06,125 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685a.c [2019-12-08 15:49:06,137 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-08 15:49:06,145 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-08 15:49:06,158 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-08 15:49:06,194 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-08 15:49:06,194 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-08 15:49:06,194 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-08 15:49:06,194 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-08 15:49:06,195 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-08 15:49:06,195 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-08 15:49:06,195 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-08 15:49:06,195 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-08 15:49:06,222 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-12-08 15:49:06,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-08 15:49:06,231 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:49:06,232 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:49:06,233 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:49:06,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:49:06,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2019-12-08 15:49:06,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-08 15:49:06,249 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392564358] [2019-12-08 15:49:06,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-08 15:49:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-08 15:49:06,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:49:06,416 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392564358] [2019-12-08 15:49:06,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-08 15:49:06,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-08 15:49:06,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644907297] [2019-12-08 15:49:06,423 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-08 15:49:06,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-08 15:49:06,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-08 15:49:06,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-08 15:49:06,439 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2019-12-08 15:49:06,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-08 15:49:06,472 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2019-12-08 15:49:06,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-08 15:49:06,474 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-08 15:49:06,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-08 15:49:06,488 INFO L225 Difference]: With dead ends: 224 [2019-12-08 15:49:06,488 INFO L226 Difference]: Without dead ends: 110 [2019-12-08 15:49:06,492 INFO L631 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 [2019-12-08 15:49:06,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-12-08 15:49:06,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-12-08 15:49:06,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-12-08 15:49:06,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2019-12-08 15:49:06,542 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2019-12-08 15:49:06,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-08 15:49:06,542 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2019-12-08 15:49:06,542 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-08 15:49:06,543 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2019-12-08 15:49:06,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-08 15:49:06,543 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:49:06,543 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:49:06,544 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:49:06,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:49:06,544 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2019-12-08 15:49:06,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-08 15:49:06,545 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240532668] [2019-12-08 15:49:06,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-08 15:49:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:49:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:49:06,811 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-08 15:49:06,811 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-08 15:49:06,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 03:49:06 BoogieIcfgContainer [2019-12-08 15:49:06,887 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-08 15:49:06,888 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-08 15:49:06,888 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-08 15:49:06,888 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-08 15:49:06,889 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:49:06" (3/4) ... [2019-12-08 15:49:06,894 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-08 15:49:06,894 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-08 15:49:06,897 INFO L168 Benchmark]: Toolchain (without parser) took 2475.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 956.3 MB in the beginning and 993.6 MB in the end (delta: -37.3 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. [2019-12-08 15:49:06,898 INFO L168 Benchmark]: CDTParser took 0.89 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:49:06,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -137.9 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-12-08 15:49:06,901 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.04 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:49:06,902 INFO L168 Benchmark]: Boogie Preprocessor took 109.11 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-08 15:49:06,903 INFO L168 Benchmark]: RCFGBuilder took 941.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. [2019-12-08 15:49:06,904 INFO L168 Benchmark]: TraceAbstraction took 769.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 993.6 MB in the end (delta: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. [2019-12-08 15:49:06,905 INFO L168 Benchmark]: Witness Printer took 6.26 ms. Allocated memory is still 1.1 GB. Free memory is still 993.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:49:06,923 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 575.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -137.9 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.04 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.11 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 941.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 769.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 993.6 MB in the end (delta: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. * Witness Printer took 6.26 ms. Allocated memory is still 1.1 GB. Free memory is still 993.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 258]: 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 257. 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; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L251] double x = -1.0 / 0.0; [L252] double y = 1.0 / 0.0; [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L254] double res = __ieee754_atan2(y, x); [L257] COND TRUE res != 3 * pi_o_4 VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L258] __VERIFIER_error() VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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, 113 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-c1f4b5c [2019-12-08 15:49:08,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-08 15:49:08,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-08 15:49:08,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-08 15:49:08,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-08 15:49:08,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-08 15:49:08,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-08 15:49:08,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-08 15:49:09,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-08 15:49:09,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-08 15:49:09,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-08 15:49:09,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-08 15:49:09,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-08 15:49:09,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-08 15:49:09,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-08 15:49:09,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-08 15:49:09,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-08 15:49:09,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-08 15:49:09,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-08 15:49:09,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-08 15:49:09,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-08 15:49:09,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-08 15:49:09,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-08 15:49:09,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-08 15:49:09,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-08 15:49:09,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-08 15:49:09,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-08 15:49:09,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-08 15:49:09,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-08 15:49:09,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-08 15:49:09,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-08 15:49:09,046 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-08 15:49:09,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-08 15:49:09,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-08 15:49:09,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-08 15:49:09,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-08 15:49:09,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-08 15:49:09,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-08 15:49:09,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-08 15:49:09,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-08 15:49:09,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-08 15:49:09,057 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-08 15:49:09,080 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-08 15:49:09,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-08 15:49:09,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-08 15:49:09,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-08 15:49:09,083 INFO L138 SettingsManager]: * Use SBE=true [2019-12-08 15:49:09,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-08 15:49:09,083 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-08 15:49:09,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-08 15:49:09,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-08 15:49:09,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-08 15:49:09,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-08 15:49:09,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-08 15:49:09,085 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-08 15:49:09,086 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-08 15:49:09,086 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-08 15:49:09,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-08 15:49:09,087 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-08 15:49:09,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-08 15:49:09,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-08 15:49:09,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-08 15:49:09,087 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-08 15:49:09,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-08 15:49:09,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-08 15:49:09,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-08 15:49:09,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-08 15:49:09,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-08 15:49:09,089 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-08 15:49:09,089 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-08 15:49:09,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-08 15:49:09,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-08 15:49:09,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-08 15:49:09,090 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4c34662463e17ac30593a66de4e00eb1d619b62 [2019-12-08 15:49:09,384 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-08 15:49:09,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-08 15:49:09,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-08 15:49:09,402 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-08 15:49:09,402 INFO L275 PluginConnector]: CDTParser initialized [2019-12-08 15:49:09,403 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2019-12-08 15:49:09,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17107c811/57d816a55af44fd2bc22b01e501fb478/FLAGdc4f22817 [2019-12-08 15:49:09,939 INFO L306 CDTParser]: Found 1 translation units. [2019-12-08 15:49:09,940 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2019-12-08 15:49:09,950 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17107c811/57d816a55af44fd2bc22b01e501fb478/FLAGdc4f22817 [2019-12-08 15:49:10,312 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17107c811/57d816a55af44fd2bc22b01e501fb478 [2019-12-08 15:49:10,316 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-08 15:49:10,318 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-08 15:49:10,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-08 15:49:10,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-08 15:49:10,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-08 15:49:10,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:49:10" (1/1) ... [2019-12-08 15:49:10,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f2a6ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:10, skipping insertion in model container [2019-12-08 15:49:10,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:49:10" (1/1) ... [2019-12-08 15:49:10,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-08 15:49:10,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-08 15:49:10,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:49:10,728 INFO L203 MainTranslator]: Completed pre-run [2019-12-08 15:49:10,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:49:10,834 INFO L208 MainTranslator]: Completed translation [2019-12-08 15:49:10,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:10 WrapperNode [2019-12-08 15:49:10,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-08 15:49:10,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-08 15:49:10,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-08 15:49:10,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-08 15:49:10,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:10" (1/1) ... [2019-12-08 15:49:10,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:10" (1/1) ... [2019-12-08 15:49:10,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-08 15:49:10,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-08 15:49:10,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-08 15:49:10,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-08 15:49:10,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:10" (1/1) ... [2019-12-08 15:49:10,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:10" (1/1) ... [2019-12-08 15:49:10,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:10" (1/1) ... [2019-12-08 15:49:10,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:10" (1/1) ... [2019-12-08 15:49:10,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:10" (1/1) ... [2019-12-08 15:49:11,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:10" (1/1) ... [2019-12-08 15:49:11,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:10" (1/1) ... [2019-12-08 15:49:11,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-08 15:49:11,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-08 15:49:11,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-08 15:49:11,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-08 15:49:11,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-12-08 15:49:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-08 15:49:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-08 15:49:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-08 15:49:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-08 15:49:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-08 15:49:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-08 15:49:11,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-08 15:49:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-08 15:49:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-08 15:49:49,013 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-08 15:49:49,014 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-08 15:49:49,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:49:49 BoogieIcfgContainer [2019-12-08 15:49:49,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-08 15:49:49,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-08 15:49:49,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-08 15:49:49,020 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-08 15:49:49,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:49:10" (1/3) ... [2019-12-08 15:49:49,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a688b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:49:49, skipping insertion in model container [2019-12-08 15:49:49,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:49:10" (2/3) ... [2019-12-08 15:49:49,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a688b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:49:49, skipping insertion in model container [2019-12-08 15:49:49,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:49:49" (3/3) ... [2019-12-08 15:49:49,025 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685a.c [2019-12-08 15:49:49,036 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-08 15:49:49,045 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-08 15:49:49,057 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-08 15:49:49,083 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-08 15:49:49,083 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-08 15:49:49,083 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-08 15:49:49,084 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-08 15:49:49,084 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-08 15:49:49,084 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-08 15:49:49,084 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-08 15:49:49,084 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-08 15:49:49,100 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-12-08 15:49:49,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-08 15:49:49,107 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:49:49,108 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:49:49,108 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:49:49,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:49:49,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2019-12-08 15:49:49,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-08 15:49:49,126 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2067083672] [2019-12-08 15:49:49,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-12-08 15:49:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-08 15:49:49,707 INFO L264 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-08 15:49:49,712 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-08 15:49:49,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:49:49,728 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-08 15:49:49,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:49:49,734 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2067083672] [2019-12-08 15:49:49,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-08 15:49:49,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-08 15:49:49,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950771783] [2019-12-08 15:49:49,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-08 15:49:49,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-08 15:49:49,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-08 15:49:49,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-08 15:49:49,760 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2019-12-08 15:49:49,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-08 15:49:49,792 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2019-12-08 15:49:49,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-08 15:49:49,794 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-08 15:49:49,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-08 15:49:49,807 INFO L225 Difference]: With dead ends: 224 [2019-12-08 15:49:49,807 INFO L226 Difference]: Without dead ends: 110 [2019-12-08 15:49:49,811 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-08 15:49:49,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-12-08 15:49:49,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-12-08 15:49:49,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-12-08 15:49:49,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2019-12-08 15:49:49,864 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2019-12-08 15:49:49,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-08 15:49:49,865 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2019-12-08 15:49:49,865 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-08 15:49:49,865 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2019-12-08 15:49:49,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-08 15:49:49,866 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:49:49,866 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:49:50,081 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-08 15:49:50,081 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:49:50,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:49:50,083 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2019-12-08 15:49:50,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-08 15:49:50,085 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1587394601] [2019-12-08 15:49:50,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-12-08 15:49:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:49:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:49:51,771 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-08 15:49:51,771 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-08 15:49:51,973 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-08 15:49:52,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 03:49:52 BoogieIcfgContainer [2019-12-08 15:49:52,032 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-08 15:49:52,033 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-08 15:49:52,033 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-08 15:49:52,033 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-08 15:49:52,035 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:49:49" (3/4) ... [2019-12-08 15:49:52,038 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-08 15:49:52,144 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-12-08 15:49:52,144 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-08 15:49:52,146 INFO L168 Benchmark]: Toolchain (without parser) took 41828.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 952.3 MB in the beginning and 968.2 MB in the end (delta: -15.9 MB). Peak memory consumption was 129.8 MB. Max. memory is 11.5 GB. [2019-12-08 15:49:52,147 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:49:52,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 516.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-12-08 15:49:52,149 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:49:52,149 INFO L168 Benchmark]: Boogie Preprocessor took 87.83 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: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. [2019-12-08 15:49:52,150 INFO L168 Benchmark]: RCFGBuilder took 37996.89 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: 83.6 MB). Peak memory consumption was 83.6 MB. Max. memory is 11.5 GB. [2019-12-08 15:49:52,151 INFO L168 Benchmark]: TraceAbstraction took 3015.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 974.8 MB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. [2019-12-08 15:49:52,151 INFO L168 Benchmark]: Witness Printer took 111.47 ms. Allocated memory is still 1.2 GB. Free memory was 974.8 MB in the beginning and 968.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-08 15:49:52,155 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 516.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 87.83 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: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 37996.89 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: 83.6 MB). Peak memory consumption was 83.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3015.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 974.8 MB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. * Witness Printer took 111.47 ms. Allocated memory is still 1.2 GB. Free memory was 974.8 MB in the beginning and 968.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 258]: 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] [L251] double x = -1.0 / 0.0; [L252] double y = 1.0 / 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] [L254] double res = __ieee754_atan2(y, x); [L257] COND TRUE res != 3 * pi_o_4 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] [L258] __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, 113 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 100 ConjunctsInSsa, 1 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 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...