./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0663a.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_0663a.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 3e7d0b868b35716dc1f516fc758062372899bb27 .......................................................................................................................................................................................................................................................................................................................... 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_0663a.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 3e7d0b868b35716dc1f516fc758062372899bb27 ......................................................................................................................................................................................................................................................................................................................................... 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 15:47:13,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-08 15:47:13,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-08 15:47:13,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-08 15:47:13,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-08 15:47:13,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-08 15:47:13,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-08 15:47:13,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-08 15:47:13,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-08 15:47:13,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-08 15:47:13,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-08 15:47:13,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-08 15:47:13,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-08 15:47:13,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-08 15:47:13,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-08 15:47:13,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-08 15:47:13,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-08 15:47:13,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-08 15:47:13,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-08 15:47:13,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-08 15:47:13,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-08 15:47:13,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-08 15:47:13,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-08 15:47:13,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-08 15:47:13,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-08 15:47:13,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-08 15:47:13,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-08 15:47:13,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-08 15:47:13,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-08 15:47:13,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-08 15:47:13,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-08 15:47:13,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-08 15:47:13,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-08 15:47:13,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-08 15:47:13,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-08 15:47:13,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-08 15:47:13,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-08 15:47:13,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-08 15:47:13,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-08 15:47:13,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-08 15:47:13,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-08 15:47:13,064 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-08 15:47:13,079 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-08 15:47:13,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-08 15:47:13,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-08 15:47:13,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-08 15:47:13,081 INFO L138 SettingsManager]: * Use SBE=true [2019-12-08 15:47:13,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-08 15:47:13,082 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-08 15:47:13,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-08 15:47:13,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-08 15:47:13,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-08 15:47:13,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-08 15:47:13,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-08 15:47:13,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-08 15:47:13,084 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-08 15:47:13,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-08 15:47:13,084 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-08 15:47:13,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-08 15:47:13,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-08 15:47:13,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-08 15:47:13,085 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-08 15:47:13,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-08 15:47:13,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-08 15:47:13,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-08 15:47:13,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-08 15:47:13,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-08 15:47:13,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-08 15:47:13,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-08 15:47:13,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-08 15:47:13,088 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-08 15:47:13,088 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 -> 3e7d0b868b35716dc1f516fc758062372899bb27 [2019-12-08 15:47:13,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-08 15:47:13,412 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-08 15:47:13,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-08 15:47:13,418 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-08 15:47:13,419 INFO L275 PluginConnector]: CDTParser initialized [2019-12-08 15:47:13,420 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0663a.c [2019-12-08 15:47:13,493 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3dc3c9e8/c66815b20cac48929496b5ccc6877a47/FLAG995c45148 [2019-12-08 15:47:14,027 INFO L306 CDTParser]: Found 1 translation units. [2019-12-08 15:47:14,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0663a.c [2019-12-08 15:47:14,037 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3dc3c9e8/c66815b20cac48929496b5ccc6877a47/FLAG995c45148 [2019-12-08 15:47:14,315 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3dc3c9e8/c66815b20cac48929496b5ccc6877a47 [2019-12-08 15:47:14,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-08 15:47:14,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-08 15:47:14,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-08 15:47:14,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-08 15:47:14,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-08 15:47:14,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:47:14" (1/1) ... [2019-12-08 15:47:14,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e7c391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:14, skipping insertion in model container [2019-12-08 15:47:14,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:47:14" (1/1) ... [2019-12-08 15:47:14,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-08 15:47:14,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-08 15:47:14,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:47:14,736 INFO L203 MainTranslator]: Completed pre-run [2019-12-08 15:47:14,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:47:14,819 INFO L208 MainTranslator]: Completed translation [2019-12-08 15:47:14,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:14 WrapperNode [2019-12-08 15:47:14,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-08 15:47:14,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-08 15:47:14,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-08 15:47:14,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-08 15:47:14,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:14" (1/1) ... [2019-12-08 15:47:14,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:14" (1/1) ... [2019-12-08 15:47:14,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-08 15:47:14,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-08 15:47:14,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-08 15:47:14,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-08 15:47:14,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:14" (1/1) ... [2019-12-08 15:47:14,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:14" (1/1) ... [2019-12-08 15:47:14,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:14" (1/1) ... [2019-12-08 15:47:14,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:14" (1/1) ... [2019-12-08 15:47:14,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:14" (1/1) ... [2019-12-08 15:47:14,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:14" (1/1) ... [2019-12-08 15:47:14,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:14" (1/1) ... [2019-12-08 15:47:14,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-08 15:47:14,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-08 15:47:14,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-08 15:47:14,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-08 15:47:14,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:14" (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 15:47:15,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-08 15:47:15,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-08 15:47:15,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-08 15:47:15,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-08 15:47:15,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-08 15:47:15,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-08 15:47:15,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-08 15:47:15,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-08 15:47:15,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-08 15:47:15,953 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-08 15:47:15,953 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-08 15:47:15,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:15 BoogieIcfgContainer [2019-12-08 15:47:15,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-08 15:47:15,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-08 15:47:15,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-08 15:47:15,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-08 15:47:15,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:47:14" (1/3) ... [2019-12-08 15:47:15,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1097a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:47:15, skipping insertion in model container [2019-12-08 15:47:15,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:14" (2/3) ... [2019-12-08 15:47:15,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1097a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:47:15, skipping insertion in model container [2019-12-08 15:47:15,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:15" (3/3) ... [2019-12-08 15:47:15,966 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663a.c [2019-12-08 15:47:15,976 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-08 15:47:15,984 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-08 15:47:15,996 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-08 15:47:16,024 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-08 15:47:16,024 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-08 15:47:16,025 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-08 15:47:16,025 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-08 15:47:16,025 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-08 15:47:16,026 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-08 15:47:16,026 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-08 15:47:16,026 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-08 15:47:16,041 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-12-08 15:47:16,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-08 15:47:16,048 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:47:16,048 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:47:16,049 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:47:16,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:47:16,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2019-12-08 15:47:16,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-08 15:47:16,064 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050292408] [2019-12-08 15:47:16,065 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-08 15:47:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-08 15:47:16,209 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 15:47:16,210 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050292408] [2019-12-08 15:47:16,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-08 15:47:16,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-08 15:47:16,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330325309] [2019-12-08 15:47:16,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-08 15:47:16,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-08 15:47:16,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-08 15:47:16,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-08 15:47:16,235 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-12-08 15:47:16,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-08 15:47:16,270 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2019-12-08 15:47:16,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-08 15:47:16,272 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-08 15:47:16,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-08 15:47:16,285 INFO L225 Difference]: With dead ends: 227 [2019-12-08 15:47:16,286 INFO L226 Difference]: Without dead ends: 111 [2019-12-08 15:47:16,290 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 15:47:16,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-12-08 15:47:16,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-12-08 15:47:16,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-12-08 15:47:16,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2019-12-08 15:47:16,337 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2019-12-08 15:47:16,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-08 15:47:16,338 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2019-12-08 15:47:16,338 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-08 15:47:16,338 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2019-12-08 15:47:16,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-08 15:47:16,339 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:47:16,339 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:47:16,340 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:47:16,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:47:16,340 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2019-12-08 15:47:16,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-08 15:47:16,341 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247117270] [2019-12-08 15:47:16,341 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-08 15:47:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:47:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:47:16,514 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-08 15:47:16,514 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-08 15:47:16,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 03:47:16 BoogieIcfgContainer [2019-12-08 15:47:16,563 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-08 15:47:16,564 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-08 15:47:16,564 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-08 15:47:16,564 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-08 15:47:16,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:15" (3/4) ... [2019-12-08 15:47:16,569 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-08 15:47:16,569 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-08 15:47:16,572 INFO L168 Benchmark]: Toolchain (without parser) took 2251.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -69.8 MB). Peak memory consumption was 63.8 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:16,573 INFO L168 Benchmark]: CDTParser took 0.99 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 15:47:16,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 498.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:16,577 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.81 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:16,577 INFO L168 Benchmark]: Boogie Preprocessor took 83.31 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 15:47:16,579 INFO L168 Benchmark]: RCFGBuilder took 979.12 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: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:16,579 INFO L168 Benchmark]: TraceAbstraction took 605.49 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:16,580 INFO L168 Benchmark]: Witness Printer took 5.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:47:16,597 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99 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 498.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.81 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 979.12 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: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 605.49 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * Witness Printer took 5.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 260]: 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 251, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of someBinaryDOUBLEComparisonOperation at line 259. 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 = -0.0; [L252] double y = __VERIFIER_nondet_double(); [L254] COND TRUE y > 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] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != pi_o_2 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] [L260] __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, 115 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 164 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=115occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-c1f4b5c [2019-12-08 15:47:18,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-08 15:47:18,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-08 15:47:18,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-08 15:47:18,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-08 15:47:18,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-08 15:47:18,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-08 15:47:18,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-08 15:47:18,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-08 15:47:18,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-08 15:47:18,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-08 15:47:18,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-08 15:47:18,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-08 15:47:18,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-08 15:47:18,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-08 15:47:18,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-08 15:47:18,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-08 15:47:18,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-08 15:47:18,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-08 15:47:18,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-08 15:47:18,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-08 15:47:18,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-08 15:47:18,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-08 15:47:18,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-08 15:47:18,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-08 15:47:18,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-08 15:47:18,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-08 15:47:18,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-08 15:47:18,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-08 15:47:18,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-08 15:47:18,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-08 15:47:18,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-08 15:47:18,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-08 15:47:18,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-08 15:47:18,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-08 15:47:18,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-08 15:47:18,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-08 15:47:18,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-08 15:47:18,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-08 15:47:18,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-08 15:47:18,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-08 15:47:18,632 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-08 15:47:18,669 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-08 15:47:18,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-08 15:47:18,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-08 15:47:18,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-08 15:47:18,676 INFO L138 SettingsManager]: * Use SBE=true [2019-12-08 15:47:18,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-08 15:47:18,676 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-08 15:47:18,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-08 15:47:18,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-08 15:47:18,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-08 15:47:18,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-08 15:47:18,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-08 15:47:18,679 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-08 15:47:18,679 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-08 15:47:18,680 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-08 15:47:18,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-08 15:47:18,680 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-08 15:47:18,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-08 15:47:18,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-08 15:47:18,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-08 15:47:18,682 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-08 15:47:18,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-08 15:47:18,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-08 15:47:18,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-08 15:47:18,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-08 15:47:18,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-08 15:47:18,684 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-08 15:47:18,684 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-08 15:47:18,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-08 15:47:18,684 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-08 15:47:18,685 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-08 15:47:18,685 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 -> 3e7d0b868b35716dc1f516fc758062372899bb27 [2019-12-08 15:47:19,024 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-08 15:47:19,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-08 15:47:19,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-08 15:47:19,051 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-08 15:47:19,052 INFO L275 PluginConnector]: CDTParser initialized [2019-12-08 15:47:19,053 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0663a.c [2019-12-08 15:47:19,112 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c8e02b78/1e77fcc03292487eb66f9f5e5614590e/FLAG1325cac45 [2019-12-08 15:47:19,558 INFO L306 CDTParser]: Found 1 translation units. [2019-12-08 15:47:19,560 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0663a.c [2019-12-08 15:47:19,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c8e02b78/1e77fcc03292487eb66f9f5e5614590e/FLAG1325cac45 [2019-12-08 15:47:19,900 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c8e02b78/1e77fcc03292487eb66f9f5e5614590e [2019-12-08 15:47:19,904 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-08 15:47:19,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-08 15:47:19,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-08 15:47:19,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-08 15:47:19,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-08 15:47:19,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:47:19" (1/1) ... [2019-12-08 15:47:19,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a2d7e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:19, skipping insertion in model container [2019-12-08 15:47:19,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:47:19" (1/1) ... [2019-12-08 15:47:19,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-08 15:47:19,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-08 15:47:20,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:47:20,412 INFO L203 MainTranslator]: Completed pre-run [2019-12-08 15:47:20,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:47:20,556 INFO L208 MainTranslator]: Completed translation [2019-12-08 15:47:20,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:20 WrapperNode [2019-12-08 15:47:20,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-08 15:47:20,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-08 15:47:20,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-08 15:47:20,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-08 15:47:20,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:20" (1/1) ... [2019-12-08 15:47:20,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:20" (1/1) ... [2019-12-08 15:47:20,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-08 15:47:20,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-08 15:47:20,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-08 15:47:20,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-08 15:47:20,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:20" (1/1) ... [2019-12-08 15:47:20,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:20" (1/1) ... [2019-12-08 15:47:20,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:20" (1/1) ... [2019-12-08 15:47:20,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:20" (1/1) ... [2019-12-08 15:47:20,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:20" (1/1) ... [2019-12-08 15:47:20,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:20" (1/1) ... [2019-12-08 15:47:20,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:20" (1/1) ... [2019-12-08 15:47:20,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-08 15:47:20,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-08 15:47:20,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-08 15:47:20,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-08 15:47:20,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:20" (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 15:47:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-08 15:47:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-08 15:47:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-08 15:47:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-08 15:47:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-08 15:47:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-08 15:47:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-08 15:47:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-08 15:47:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-08 15:47:59,254 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-08 15:47:59,254 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-08 15:47:59,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:59 BoogieIcfgContainer [2019-12-08 15:47:59,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-08 15:47:59,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-08 15:47:59,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-08 15:47:59,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-08 15:47:59,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:47:19" (1/3) ... [2019-12-08 15:47:59,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9b2227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:47:59, skipping insertion in model container [2019-12-08 15:47:59,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:20" (2/3) ... [2019-12-08 15:47:59,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9b2227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:47:59, skipping insertion in model container [2019-12-08 15:47:59,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:59" (3/3) ... [2019-12-08 15:47:59,265 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663a.c [2019-12-08 15:47:59,276 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-08 15:47:59,284 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-08 15:47:59,297 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-08 15:47:59,323 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-08 15:47:59,323 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-08 15:47:59,324 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-08 15:47:59,324 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-08 15:47:59,324 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-08 15:47:59,325 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-08 15:47:59,325 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-08 15:47:59,325 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-08 15:47:59,344 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-12-08 15:47:59,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-08 15:47:59,351 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:47:59,352 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:47:59,353 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:47:59,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:47:59,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2019-12-08 15:47:59,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-08 15:47:59,370 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [526953177] [2019-12-08 15:47:59,371 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 15:47:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-08 15:47:59,812 INFO L264 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-08 15:47:59,816 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-08 15:47:59,830 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 15:47:59,830 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-08 15:47:59,834 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 15:47:59,836 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [526953177] [2019-12-08 15:47:59,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-08 15:47:59,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-08 15:47:59,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083091097] [2019-12-08 15:47:59,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-08 15:47:59,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-08 15:47:59,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-08 15:47:59,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-08 15:47:59,861 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-12-08 15:47:59,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-08 15:47:59,892 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2019-12-08 15:47:59,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-08 15:47:59,894 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-08 15:47:59,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-08 15:47:59,906 INFO L225 Difference]: With dead ends: 227 [2019-12-08 15:47:59,907 INFO L226 Difference]: Without dead ends: 111 [2019-12-08 15:47:59,910 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-08 15:47:59,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-12-08 15:47:59,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-12-08 15:47:59,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-12-08 15:47:59,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2019-12-08 15:47:59,956 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2019-12-08 15:47:59,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-08 15:47:59,956 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2019-12-08 15:47:59,957 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-08 15:47:59,957 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2019-12-08 15:47:59,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-08 15:47:59,958 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:47:59,958 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:48:00,169 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-08 15:48:00,170 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:48:00,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:48:00,171 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2019-12-08 15:48:00,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-08 15:48:00,173 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1664244633] [2019-12-08 15:48:00,174 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 15:48:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:48:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:48:01,641 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-08 15:48:01,642 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-08 15:48:01,844 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-08 15:48:01,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 03:48:01 BoogieIcfgContainer [2019-12-08 15:48:01,897 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-08 15:48:01,898 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-08 15:48:01,898 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-08 15:48:01,898 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-08 15:48:01,899 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:59" (3/4) ... [2019-12-08 15:48:01,901 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-08 15:48:02,009 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-12-08 15:48:02,010 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-08 15:48:02,013 INFO L168 Benchmark]: Toolchain (without parser) took 42106.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 960.3 MB in the beginning and 963.4 MB in the end (delta: -3.1 MB). Peak memory consumption was 142.1 MB. Max. memory is 11.5 GB. [2019-12-08 15:48:02,013 INFO L168 Benchmark]: CDTParser took 0.27 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 15:48:02,019 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-12-08 15:48:02,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.04 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 15:48:02,021 INFO L168 Benchmark]: Boogie Preprocessor took 85.85 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-08 15:48:02,023 INFO L168 Benchmark]: RCFGBuilder took 38536.40 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: 78.5 MB). Peak memory consumption was 78.5 MB. Max. memory is 11.5 GB. [2019-12-08 15:48:02,026 INFO L168 Benchmark]: TraceAbstraction took 2640.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 970.1 MB in the end (delta: 71.9 MB). Peak memory consumption was 71.9 MB. Max. memory is 11.5 GB. [2019-12-08 15:48:02,026 INFO L168 Benchmark]: Witness Printer took 112.21 ms. Allocated memory is still 1.2 GB. Free memory was 970.1 MB in the beginning and 963.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-08 15:48:02,033 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 650.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.04 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 85.85 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 38536.40 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: 78.5 MB). Peak memory consumption was 78.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2640.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 970.1 MB in the end (delta: 71.9 MB). Peak memory consumption was 71.9 MB. Max. memory is 11.5 GB. * Witness Printer took 112.21 ms. Allocated memory is still 1.2 GB. Free memory was 970.1 MB in the beginning and 963.4 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: 260]: 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 = -0.0; [L252] double y = __VERIFIER_nondet_double(); [L254] COND TRUE 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] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != pi_o_2 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] [L260] __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, 115 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred 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, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 101 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...