./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/cast_float_ptr.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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-benchs/cast_float_ptr.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:21:06,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:21:06,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:21:06,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:21:06,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:21:06,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:21:06,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:21:06,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:21:06,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:21:06,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:21:06,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:21:06,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:21:06,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:21:06,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:21:06,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:21:06,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:21:06,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:21:06,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:21:06,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:21:06,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:21:06,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:21:06,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:21:06,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:21:06,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:21:06,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:21:06,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:21:06,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:21:06,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:21:06,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:21:06,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:21:06,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:21:06,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:21:06,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:21:06,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:21:06,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:21:06,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:21:07,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:21:07,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:21:07,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:21:07,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:21:07,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:21:07,005 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 16:21:07,018 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:21:07,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:21:07,023 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:21:07,023 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:21:07,024 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:21:07,024 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:21:07,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:21:07,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:21:07,025 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:21:07,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:21:07,026 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:21:07,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 16:21:07,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:21:07,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:21:07,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:21:07,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:21:07,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:21:07,027 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:21:07,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:21:07,027 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:21:07,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:21:07,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:21:07,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:21:07,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:21:07,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:21:07,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:21:07,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:21:07,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:21:07,029 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 16:21:07,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 16:21:07,030 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:21:07,030 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:21:07,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:21:07,030 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 [2022-02-20 16:21:07,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:21:07,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:21:07,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:21:07,208 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:21:07,208 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:21:07,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2022-02-20 16:21:07,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e8c80992/c243ff86b69041deaeb4b7a36b61d626/FLAG1cfbaa348 [2022-02-20 16:21:07,540 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:21:07,540 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2022-02-20 16:21:07,545 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e8c80992/c243ff86b69041deaeb4b7a36b61d626/FLAG1cfbaa348 [2022-02-20 16:21:07,989 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e8c80992/c243ff86b69041deaeb4b7a36b61d626 [2022-02-20 16:21:07,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:21:07,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:21:07,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:21:07,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:21:07,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:21:07,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:21:07" (1/1) ... [2022-02-20 16:21:07,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13f880d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:07, skipping insertion in model container [2022-02-20 16:21:07,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:21:07" (1/1) ... [2022-02-20 16:21:08,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:21:08,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:21:08,130 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2022-02-20 16:21:08,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:21:08,146 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:21:08,153 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2022-02-20 16:21:08,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:21:08,167 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:21:08,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:08 WrapperNode [2022-02-20 16:21:08,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:21:08,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:21:08,168 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:21:08,168 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:21:08,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:08" (1/1) ... [2022-02-20 16:21:08,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:08" (1/1) ... [2022-02-20 16:21:08,193 INFO L137 Inliner]: procedures = 17, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 87 [2022-02-20 16:21:08,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:21:08,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:21:08,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:21:08,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:21:08,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:08" (1/1) ... [2022-02-20 16:21:08,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:08" (1/1) ... [2022-02-20 16:21:08,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:08" (1/1) ... [2022-02-20 16:21:08,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:08" (1/1) ... [2022-02-20 16:21:08,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:08" (1/1) ... [2022-02-20 16:21:08,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:08" (1/1) ... [2022-02-20 16:21:08,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:08" (1/1) ... [2022-02-20 16:21:08,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:21:08,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:21:08,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:21:08,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:21:08,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:08" (1/1) ... [2022-02-20 16:21:08,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:21:08,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:21:08,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 16:21:08,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 16:21:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:21:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 16:21:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 16:21:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-02-20 16:21:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 16:21:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-02-20 16:21:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:21:08,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:21:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 16:21:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 16:21:08,320 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:21:08,322 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:21:08,476 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:21:08,482 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:21:08,482 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 16:21:08,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:21:08 BoogieIcfgContainer [2022-02-20 16:21:08,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:21:08,485 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:21:08,485 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:21:08,487 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:21:08,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:21:07" (1/3) ... [2022-02-20 16:21:08,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57009e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:21:08, skipping insertion in model container [2022-02-20 16:21:08,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:08" (2/3) ... [2022-02-20 16:21:08,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57009e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:21:08, skipping insertion in model container [2022-02-20 16:21:08,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:21:08" (3/3) ... [2022-02-20 16:21:08,489 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2022-02-20 16:21:08,495 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:21:08,495 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 16:21:08,521 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:21:08,525 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 16:21:08,526 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 16:21:08,535 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:21:08,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-02-20 16:21:08,538 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:21:08,538 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:21:08,538 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:21:08,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:21:08,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2022-02-20 16:21:08,547 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:21:08,548 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378724796] [2022-02-20 16:21:08,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:21:08,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:21:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 16:21:08,634 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-20 16:21:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 16:21:08,696 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-20 16:21:08,697 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-20 16:21:08,698 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 16:21:08,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 16:21:08,702 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-20 16:21:08,704 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 16:21:08,742 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 16:21:08,742 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 16:21:08,742 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2022-02-20 16:21:08,742 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2022-02-20 16:21:08,743 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2022-02-20 16:21:08,743 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2022-02-20 16:21:08,743 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2022-02-20 16:21:08,744 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2022-02-20 16:21:08,744 WARN L170 areAnnotationChecker]: L21-2 has no Hoare annotation [2022-02-20 16:21:08,744 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2022-02-20 16:21:08,744 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2022-02-20 16:21:08,744 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 16:21:08,744 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2022-02-20 16:21:08,744 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2022-02-20 16:21:08,744 WARN L170 areAnnotationChecker]: L25-2 has no Hoare annotation [2022-02-20 16:21:08,744 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2022-02-20 16:21:08,744 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2022-02-20 16:21:08,745 WARN L170 areAnnotationChecker]: L5-1 has no Hoare annotation [2022-02-20 16:21:08,745 WARN L170 areAnnotationChecker]: L5-1 has no Hoare annotation [2022-02-20 16:21:08,745 WARN L170 areAnnotationChecker]: L5-3 has no Hoare annotation [2022-02-20 16:21:08,745 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 16:21:08,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 04:21:08 BoogieIcfgContainer [2022-02-20 16:21:08,746 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 16:21:08,748 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 16:21:08,748 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 16:21:08,749 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 16:21:08,749 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:21:08" (3/4) ... [2022-02-20 16:21:08,752 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-20 16:21:08,752 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 16:21:08,754 INFO L158 Benchmark]: Toolchain (without parser) took 762.13ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 53.7MB in the beginning and 44.0MB in the end (delta: 9.7MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2022-02-20 16:21:08,754 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 83.9MB. Free memory was 54.5MB in the beginning and 54.5MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:21:08,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 172.91ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 53.4MB in the beginning and 77.9MB in the end (delta: -24.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-20 16:21:08,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.08ms. Allocated memory is still 100.7MB. Free memory was 77.9MB in the beginning and 76.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 16:21:08,760 INFO L158 Benchmark]: Boogie Preprocessor took 15.62ms. Allocated memory is still 100.7MB. Free memory was 76.4MB in the beginning and 74.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 16:21:08,760 INFO L158 Benchmark]: RCFGBuilder took 274.06ms. Allocated memory is still 100.7MB. Free memory was 74.9MB in the beginning and 63.1MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-20 16:21:08,761 INFO L158 Benchmark]: TraceAbstraction took 260.97ms. Allocated memory is still 100.7MB. Free memory was 62.3MB in the beginning and 44.3MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-02-20 16:21:08,761 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 100.7MB. Free memory was 44.3MB in the beginning and 44.0MB in the end (delta: 257.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:21:08,766 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 83.9MB. Free memory was 54.5MB in the beginning and 54.5MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 172.91ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 53.4MB in the beginning and 77.9MB in the end (delta: -24.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.08ms. Allocated memory is still 100.7MB. Free memory was 77.9MB in the beginning and 76.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.62ms. Allocated memory is still 100.7MB. Free memory was 76.4MB in the beginning and 74.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 274.06ms. Allocated memory is still 100.7MB. Free memory was 74.9MB in the beginning and 63.1MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 260.97ms. Allocated memory is still 100.7MB. Free memory was 62.3MB in the beginning and 44.3MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 100.7MB. Free memory was 44.3MB in the beginning and 44.0MB in the end (delta: 257.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 5]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 25, overapproximation of bitwiseAnd at line 13. Possible FailurePath: [L34] double a; [L35] float r; [L37] a = __VERIFIER_nondet_double() [L38] CALL cast(a) [L10] double dmax; [L11] float f; [L13] EXPR \read(d) VAL [\old(d)=3758096386, \read(d)=3758096385, d={5:0}, dmax={7:0}, f={6:0}] [L13] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L15] ((unsigned*)&dmax)[0] = 0x47efffff [L16] ((unsigned*)&dmax)[1] = 0xe0000000 [L18] EXPR \read(d) [L18] EXPR \read(dmax) VAL [\old(d)=3758096386, \read(d)=3758096386, \read(dmax)=3758096387, d={5:0}, dmax={7:0}, f={6:0}] [L18] COND FALSE !(d > dmax) [L21] EXPR \read(d) [L21] EXPR \read(dmax) VAL [\old(d)=3758096386, \read(d)=3758096386, \read(dmax)=3758096387, d={5:0}, dmax={7:0}, f={6:0}] [L21] COND FALSE !(-d > dmax) [L25] EXPR \read(d) [L25] EXPR d >= -3.41e38 && d <= 3.41e38 [L25] EXPR \read(d) [L25] EXPR d >= -3.41e38 && d <= 3.41e38 VAL [\old(d)=3758096386, \read(d)=3758096386, \read(d)=3758096386, d={5:0}, dmax={7:0}, f={6:0}] [L25] CALL __VERIFIER_assert(d >= -3.41e38 && d <= 3.41e38) [L5] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: 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 [2022-02-20 16:21:08,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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-benchs/cast_float_ptr.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:21:10,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:21:10,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:21:10,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:21:10,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:21:10,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:21:10,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:21:10,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:21:10,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:21:10,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:21:10,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:21:10,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:21:10,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:21:10,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:21:10,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:21:10,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:21:10,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:21:10,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:21:10,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:21:10,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:21:10,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:21:10,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:21:10,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:21:10,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:21:10,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:21:10,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:21:10,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:21:10,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:21:10,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:21:10,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:21:10,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:21:10,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:21:10,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:21:10,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:21:10,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:21:10,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:21:10,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:21:10,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:21:10,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:21:10,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:21:10,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:21:10,473 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-02-20 16:21:10,500 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:21:10,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:21:10,501 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:21:10,501 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:21:10,502 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:21:10,502 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:21:10,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:21:10,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:21:10,503 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:21:10,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:21:10,504 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:21:10,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:21:10,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:21:10,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:21:10,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:21:10,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:21:10,505 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 16:21:10,505 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-20 16:21:10,505 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-20 16:21:10,505 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:21:10,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:21:10,506 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:21:10,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:21:10,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:21:10,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:21:10,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:21:10,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:21:10,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:21:10,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:21:10,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:21:10,507 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-20 16:21:10,507 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-20 16:21:10,507 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:21:10,508 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:21:10,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:21:10,508 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-20 16:21:10,508 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 [2022-02-20 16:21:10,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:21:10,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:21:10,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:21:10,783 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:21:10,784 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:21:10,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2022-02-20 16:21:10,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04b50b954/a2c9c57f20c04e27a5ca7a2b1aa243f7/FLAG5af2fca8c [2022-02-20 16:21:11,150 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:21:11,150 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2022-02-20 16:21:11,154 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04b50b954/a2c9c57f20c04e27a5ca7a2b1aa243f7/FLAG5af2fca8c [2022-02-20 16:21:11,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04b50b954/a2c9c57f20c04e27a5ca7a2b1aa243f7 [2022-02-20 16:21:11,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:21:11,598 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:21:11,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:21:11,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:21:11,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:21:11,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:21:11" (1/1) ... [2022-02-20 16:21:11,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd32543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:11, skipping insertion in model container [2022-02-20 16:21:11,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:21:11" (1/1) ... [2022-02-20 16:21:11,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:21:11,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:21:11,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2022-02-20 16:21:11,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:21:11,772 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:21:11,811 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2022-02-20 16:21:11,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:21:11,844 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:21:11,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:11 WrapperNode [2022-02-20 16:21:11,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:21:11,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:21:11,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:21:11,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:21:11,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:11" (1/1) ... [2022-02-20 16:21:11,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:11" (1/1) ... [2022-02-20 16:21:11,889 INFO L137 Inliner]: procedures = 22, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2022-02-20 16:21:11,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:21:11,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:21:11,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:21:11,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:21:11,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:11" (1/1) ... [2022-02-20 16:21:11,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:11" (1/1) ... [2022-02-20 16:21:11,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:11" (1/1) ... [2022-02-20 16:21:11,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:11" (1/1) ... [2022-02-20 16:21:11,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:11" (1/1) ... [2022-02-20 16:21:11,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:11" (1/1) ... [2022-02-20 16:21:11,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:11" (1/1) ... [2022-02-20 16:21:11,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:21:11,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:21:11,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:21:11,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:21:11,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:11" (1/1) ... [2022-02-20 16:21:11,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:21:11,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:21:11,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 16:21:11,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 16:21:11,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:21:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-02-20 16:21:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-02-20 16:21:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-02-20 16:21:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 16:21:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-02-20 16:21:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-02-20 16:21:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:21:11,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:21:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-02-20 16:21:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-02-20 16:21:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 16:21:12,067 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:21:12,068 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:21:12,238 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:21:12,242 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:21:12,242 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 16:21:12,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:21:12 BoogieIcfgContainer [2022-02-20 16:21:12,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:21:12,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:21:12,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:21:12,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:21:12,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:21:11" (1/3) ... [2022-02-20 16:21:12,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48def0c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:21:12, skipping insertion in model container [2022-02-20 16:21:12,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:21:11" (2/3) ... [2022-02-20 16:21:12,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48def0c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:21:12, skipping insertion in model container [2022-02-20 16:21:12,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:21:12" (3/3) ... [2022-02-20 16:21:12,252 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2022-02-20 16:21:12,255 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:21:12,255 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 16:21:12,295 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:21:12,299 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 16:21:12,300 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 16:21:12,315 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:21:12,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-02-20 16:21:12,318 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:21:12,318 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:21:12,319 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:21:12,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:21:12,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2022-02-20 16:21:12,329 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:21:12,330 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1209754313] [2022-02-20 16:21:12,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:21:12,330 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:21:12,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:21:12,332 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 16:21:12,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-02-20 16:21:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:21:12,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-20 16:21:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:21:12,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:21:12,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:21:12,574 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-02-20 16:21:12,908 INFO L290 TraceCheckUtils]: 0: Hoare triple {19#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(17bv32, 2bv32);call #Ultimate.allocInit(12bv32, 3bv32); {24#(= currentRoundingMode roundNearestTiesToEven)} is VALID [2022-02-20 16:21:12,908 INFO L290 TraceCheckUtils]: 1: Hoare triple {24#(= currentRoundingMode roundNearestTiesToEven)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~ret15#1, main_~a~0#1, main_~r~0#1;havoc main_~a~0#1;havoc main_~r~0#1;main_~a~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1;assume { :begin_inline_cast } true;cast_#in~d#1 := main_~a~0#1;havoc cast_#res#1;havoc cast_#t~mem4#1, cast_#t~mem5#1, cast_#t~mem6#1, cast_#t~mem7#1, cast_#t~mem8#1, cast_#t~mem9#1, cast_#t~mem10#1, cast_#t~short11#1, cast_#t~mem12#1, cast_#t~mem13#1, cast_~#d#1.base, cast_~#d#1.offset, cast_~#dmax~0#1.base, cast_~#dmax~0#1.offset, cast_~#f~0#1.base, cast_~#f~0#1.offset;call cast_~#d#1.base, cast_~#d#1.offset := #Ultimate.allocOnStack(8bv32);call write~intFLOATTYPE8(cast_#in~d#1, cast_~#d#1.base, cast_~#d#1.offset, 8bv32);call cast_~#dmax~0#1.base, cast_~#dmax~0#1.offset := #Ultimate.allocOnStack(8bv32);call cast_~#f~0#1.base, cast_~#f~0#1.offset := #Ultimate.allocOnStack(4bv32);call cast_#t~mem4#1 := read~intINTTYPE4(cast_~#d#1.base, cast_~#d#1.offset, 4bv32); {24#(= currentRoundingMode roundNearestTiesToEven)} is VALID [2022-02-20 16:21:12,912 INFO L290 TraceCheckUtils]: 2: Hoare triple {24#(= currentRoundingMode roundNearestTiesToEven)} assume !(2047bv32 == ~bvlshr32(~bvand32(2146435072bv32, cast_#t~mem4#1), 20bv32));havoc cast_#t~mem4#1;call write~intINTTYPE4(1206910975bv32, cast_~#dmax~0#1.base, cast_~#dmax~0#1.offset, 4bv32);call write~intINTTYPE4(3758096384bv32, cast_~#dmax~0#1.base, ~bvadd32(4bv32, cast_~#dmax~0#1.offset), 4bv32);call cast_#t~mem5#1 := read~intFLOATTYPE8(cast_~#d#1.base, cast_~#d#1.offset, 8bv32);call cast_#t~mem6#1 := read~intFLOATTYPE8(cast_~#dmax~0#1.base, cast_~#dmax~0#1.offset, 8bv32); {31#(and (exists ((|ULTIMATE.start_cast_~#dmax~0#1.offset| (_ BitVec 32)) (|ULTIMATE.start_cast_~#dmax~0#1.base| (_ BitVec 32))) (and (= (fp ((_ extract 63 63) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_cast_~#dmax~0#1.offset|)) (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) |ULTIMATE.start_cast_~#dmax~0#1.offset|))) ((_ extract 62 52) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_cast_~#dmax~0#1.offset|)) (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) |ULTIMATE.start_cast_~#dmax~0#1.offset|))) ((_ extract 51 0) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_cast_~#dmax~0#1.offset|)) (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) |ULTIMATE.start_cast_~#dmax~0#1.offset|)))) |ULTIMATE.start_cast_#t~mem6#1|) (= (_ bv3758096384 32) (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_cast_~#dmax~0#1.offset|))))) (= |ULTIMATE.start_cast_#t~mem5#1| (fp ((_ extract 63 63) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) (bvadd |ULTIMATE.start_cast_~#d#1.offset| (_ bv4 32))) (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) |ULTIMATE.start_cast_~#d#1.offset|))) ((_ extract 62 52) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) (bvadd |ULTIMATE.start_cast_~#d#1.offset| (_ bv4 32))) (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) |ULTIMATE.start_cast_~#d#1.offset|))) ((_ extract 51 0) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) (bvadd |ULTIMATE.start_cast_~#d#1.offset| (_ bv4 32))) (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) |ULTIMATE.start_cast_~#d#1.offset|))))) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2022-02-20 16:21:12,932 INFO L290 TraceCheckUtils]: 3: Hoare triple {31#(and (exists ((|ULTIMATE.start_cast_~#dmax~0#1.offset| (_ BitVec 32)) (|ULTIMATE.start_cast_~#dmax~0#1.base| (_ BitVec 32))) (and (= (fp ((_ extract 63 63) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_cast_~#dmax~0#1.offset|)) (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) |ULTIMATE.start_cast_~#dmax~0#1.offset|))) ((_ extract 62 52) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_cast_~#dmax~0#1.offset|)) (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) |ULTIMATE.start_cast_~#dmax~0#1.offset|))) ((_ extract 51 0) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_cast_~#dmax~0#1.offset|)) (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) |ULTIMATE.start_cast_~#dmax~0#1.offset|)))) |ULTIMATE.start_cast_#t~mem6#1|) (= (_ bv3758096384 32) (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_cast_~#dmax~0#1.offset|))))) (= |ULTIMATE.start_cast_#t~mem5#1| (fp ((_ extract 63 63) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) (bvadd |ULTIMATE.start_cast_~#d#1.offset| (_ bv4 32))) (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) |ULTIMATE.start_cast_~#d#1.offset|))) ((_ extract 62 52) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) (bvadd |ULTIMATE.start_cast_~#d#1.offset| (_ bv4 32))) (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) |ULTIMATE.start_cast_~#d#1.offset|))) ((_ extract 51 0) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) (bvadd |ULTIMATE.start_cast_~#d#1.offset| (_ bv4 32))) (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) |ULTIMATE.start_cast_~#d#1.offset|))))) (= currentRoundingMode roundNearestTiesToEven))} assume !~fp.gt~DOUBLE(cast_#t~mem5#1, cast_#t~mem6#1);havoc cast_#t~mem5#1;havoc cast_#t~mem6#1;call cast_#t~mem7#1 := read~intFLOATTYPE8(cast_~#d#1.base, cast_~#d#1.offset, 8bv32);call cast_#t~mem8#1 := read~intFLOATTYPE8(cast_~#dmax~0#1.base, cast_~#dmax~0#1.offset, 8bv32); {35#(and (exists ((|ULTIMATE.start_cast_~#dmax~0#1.offset| (_ BitVec 32)) (|ULTIMATE.start_cast_~#dmax~0#1.base| (_ BitVec 32))) (and (not (fp.gt (fp ((_ extract 63 63) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) (bvadd |ULTIMATE.start_cast_~#d#1.offset| (_ bv4 32))) (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) |ULTIMATE.start_cast_~#d#1.offset|))) ((_ extract 62 52) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) (bvadd |ULTIMATE.start_cast_~#d#1.offset| (_ bv4 32))) (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) |ULTIMATE.start_cast_~#d#1.offset|))) ((_ extract 51 0) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) (bvadd |ULTIMATE.start_cast_~#d#1.offset| (_ bv4 32))) (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) |ULTIMATE.start_cast_~#d#1.offset|)))) (fp ((_ extract 63 63) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_cast_~#dmax~0#1.offset|)) (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) |ULTIMATE.start_cast_~#dmax~0#1.offset|))) ((_ extract 62 52) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_cast_~#dmax~0#1.offset|)) (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) |ULTIMATE.start_cast_~#dmax~0#1.offset|))) ((_ extract 51 0) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_cast_~#dmax~0#1.offset|)) (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) |ULTIMATE.start_cast_~#dmax~0#1.offset|)))))) (= (_ bv3758096384 32) (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_cast_~#dmax~0#1.offset|))))) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2022-02-20 16:21:12,937 INFO L290 TraceCheckUtils]: 4: Hoare triple {35#(and (exists ((|ULTIMATE.start_cast_~#dmax~0#1.offset| (_ BitVec 32)) (|ULTIMATE.start_cast_~#dmax~0#1.base| (_ BitVec 32))) (and (not (fp.gt (fp ((_ extract 63 63) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) (bvadd |ULTIMATE.start_cast_~#d#1.offset| (_ bv4 32))) (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) |ULTIMATE.start_cast_~#d#1.offset|))) ((_ extract 62 52) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) (bvadd |ULTIMATE.start_cast_~#d#1.offset| (_ bv4 32))) (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) |ULTIMATE.start_cast_~#d#1.offset|))) ((_ extract 51 0) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) (bvadd |ULTIMATE.start_cast_~#d#1.offset| (_ bv4 32))) (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) |ULTIMATE.start_cast_~#d#1.offset|)))) (fp ((_ extract 63 63) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_cast_~#dmax~0#1.offset|)) (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) |ULTIMATE.start_cast_~#dmax~0#1.offset|))) ((_ extract 62 52) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_cast_~#dmax~0#1.offset|)) (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) |ULTIMATE.start_cast_~#dmax~0#1.offset|))) ((_ extract 51 0) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_cast_~#dmax~0#1.offset|)) (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) |ULTIMATE.start_cast_~#dmax~0#1.offset|)))))) (= (_ bv3758096384 32) (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_cast_~#dmax~0#1.offset|))))) (= currentRoundingMode roundNearestTiesToEven))} assume !~fp.gt~DOUBLE(~fp.neg~DOUBLE(cast_#t~mem7#1), cast_#t~mem8#1);havoc cast_#t~mem7#1;havoc cast_#t~mem8#1;call cast_#t~mem9#1 := read~intFLOATTYPE8(cast_~#d#1.base, cast_~#d#1.offset, 8bv32);cast_#t~short11#1 := ~fp.geq~DOUBLE(cast_#t~mem9#1, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 3.41E38))); {39#(and (not |ULTIMATE.start_cast_#t~short11#1|) (exists ((|ULTIMATE.start_cast_~#dmax~0#1.offset| (_ BitVec 32)) (|ULTIMATE.start_cast_~#dmax~0#1.base| (_ BitVec 32))) (and (not (fp.gt (fp ((_ extract 63 63) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) (bvadd |ULTIMATE.start_cast_~#d#1.offset| (_ bv4 32))) (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) |ULTIMATE.start_cast_~#d#1.offset|))) ((_ extract 62 52) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) (bvadd |ULTIMATE.start_cast_~#d#1.offset| (_ bv4 32))) (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) |ULTIMATE.start_cast_~#d#1.offset|))) ((_ extract 51 0) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) (bvadd |ULTIMATE.start_cast_~#d#1.offset| (_ bv4 32))) (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) |ULTIMATE.start_cast_~#d#1.offset|)))) (fp ((_ extract 63 63) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_cast_~#dmax~0#1.offset|)) (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) |ULTIMATE.start_cast_~#dmax~0#1.offset|))) ((_ extract 62 52) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_cast_~#dmax~0#1.offset|)) (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) |ULTIMATE.start_cast_~#dmax~0#1.offset|))) ((_ extract 51 0) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_cast_~#dmax~0#1.offset|)) (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) |ULTIMATE.start_cast_~#dmax~0#1.offset|)))))) (= (bvadd (_ bv536870912 32) (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_cast_~#dmax~0#1.offset|))) (_ bv0 32)))) (= currentRoundingMode roundNearestTiesToEven))} is VALID [2022-02-20 16:21:12,938 INFO L290 TraceCheckUtils]: 5: Hoare triple {39#(and (not |ULTIMATE.start_cast_#t~short11#1|) (exists ((|ULTIMATE.start_cast_~#dmax~0#1.offset| (_ BitVec 32)) (|ULTIMATE.start_cast_~#dmax~0#1.base| (_ BitVec 32))) (and (not (fp.gt (fp ((_ extract 63 63) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) (bvadd |ULTIMATE.start_cast_~#d#1.offset| (_ bv4 32))) (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) |ULTIMATE.start_cast_~#d#1.offset|))) ((_ extract 62 52) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) (bvadd |ULTIMATE.start_cast_~#d#1.offset| (_ bv4 32))) (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) |ULTIMATE.start_cast_~#d#1.offset|))) ((_ extract 51 0) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) (bvadd |ULTIMATE.start_cast_~#d#1.offset| (_ bv4 32))) (select (select |#memory_int| |ULTIMATE.start_cast_~#d#1.base|) |ULTIMATE.start_cast_~#d#1.offset|)))) (fp ((_ extract 63 63) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_cast_~#dmax~0#1.offset|)) (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) |ULTIMATE.start_cast_~#dmax~0#1.offset|))) ((_ extract 62 52) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_cast_~#dmax~0#1.offset|)) (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) |ULTIMATE.start_cast_~#dmax~0#1.offset|))) ((_ extract 51 0) (concat (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_cast_~#dmax~0#1.offset|)) (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) |ULTIMATE.start_cast_~#dmax~0#1.offset|)))))) (= (bvadd (_ bv536870912 32) (select (select |#memory_int| |ULTIMATE.start_cast_~#dmax~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_cast_~#dmax~0#1.offset|))) (_ bv0 32)))) (= currentRoundingMode roundNearestTiesToEven))} assume cast_#t~short11#1;call cast_#t~mem10#1 := read~intFLOATTYPE8(cast_~#d#1.base, cast_~#d#1.offset, 8bv32);cast_#t~short11#1 := ~fp.leq~DOUBLE(cast_#t~mem10#1, ~to_fp~DOUBLE(currentRoundingMode, 3.41E38)); {20#false} is VALID [2022-02-20 16:21:12,938 INFO L290 TraceCheckUtils]: 6: Hoare triple {20#false} assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if cast_#t~short11#1 then 1bv32 else 0bv32);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; {20#false} is VALID [2022-02-20 16:21:12,938 INFO L290 TraceCheckUtils]: 7: Hoare triple {20#false} assume 0bv32 == __VERIFIER_assert_~cond#1; {20#false} is VALID [2022-02-20 16:21:12,938 INFO L290 TraceCheckUtils]: 8: Hoare triple {20#false} assume !false; {20#false} is VALID [2022-02-20 16:21:12,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:21:12,939 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 16:21:12,940 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 16:21:12,940 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1209754313] [2022-02-20 16:21:12,940 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1209754313] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:21:12,940 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:21:12,940 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 16:21:12,941 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846848764] [2022-02-20 16:21:12,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:21:12,948 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-02-20 16:21:12,948 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:21:12,950 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:21:12,989 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:21:12,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 16:21:12,990 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 16:21:13,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 16:21:13,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-02-20 16:21:13,009 INFO L87 Difference]: Start difference. First operand has 16 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:21:13,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:21:13,234 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2022-02-20 16:21:13,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 16:21:13,235 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-02-20 16:21:13,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:21:13,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:21:13,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 33 transitions. [2022-02-20 16:21:13,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:21:13,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 33 transitions. [2022-02-20 16:21:13,241 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 33 transitions. [2022-02-20 16:21:13,336 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:21:13,341 INFO L225 Difference]: With dead ends: 30 [2022-02-20 16:21:13,341 INFO L226 Difference]: Without dead ends: 10 [2022-02-20 16:21:13,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-02-20 16:21:13,345 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 5 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:21:13,346 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 30 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 12 Unchecked, 0.0s Time] [2022-02-20 16:21:13,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-02-20 16:21:13,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-02-20 16:21:13,360 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:21:13,361 INFO L82 GeneralOperation]: Start isEquivalent. First operand 10 states. Second operand has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:21:13,361 INFO L74 IsIncluded]: Start isIncluded. First operand 10 states. Second operand has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:21:13,361 INFO L87 Difference]: Start difference. First operand 10 states. Second operand has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:21:13,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:21:13,363 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2022-02-20 16:21:13,363 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2022-02-20 16:21:13,363 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:21:13,363 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:21:13,363 INFO L74 IsIncluded]: Start isIncluded. First operand has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 10 states. [2022-02-20 16:21:13,363 INFO L87 Difference]: Start difference. First operand has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 10 states. [2022-02-20 16:21:13,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:21:13,364 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2022-02-20 16:21:13,364 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2022-02-20 16:21:13,365 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:21:13,365 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:21:13,365 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:21:13,365 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:21:13,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:21:13,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2022-02-20 16:21:13,367 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 9 [2022-02-20 16:21:13,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:21:13,367 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2022-02-20 16:21:13,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:21:13,367 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2022-02-20 16:21:13,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-02-20 16:21:13,368 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:21:13,368 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:21:13,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-02-20 16:21:13,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 16:21:13,577 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:21:13,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:21:13,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1271627341, now seen corresponding path program 1 times [2022-02-20 16:21:13,578 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:21:13,578 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [674323922] [2022-02-20 16:21:13,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:21:13,579 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:21:13,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:21:13,580 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 16:21:13,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-02-20 16:21:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 16:21:13,648 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-20 16:21:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 16:21:13,700 INFO L138 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-02-20 16:21:13,701 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-20 16:21:13,702 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 16:21:13,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-02-20 16:21:13,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 16:21:13,905 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-20 16:21:13,907 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 16:21:13,933 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 16:21:13,933 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 16:21:13,933 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2022-02-20 16:21:13,933 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2022-02-20 16:21:13,933 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2022-02-20 16:21:13,933 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2022-02-20 16:21:13,933 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2022-02-20 16:21:13,934 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2022-02-20 16:21:13,934 WARN L170 areAnnotationChecker]: L21-2 has no Hoare annotation [2022-02-20 16:21:13,934 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2022-02-20 16:21:13,934 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2022-02-20 16:21:13,934 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 16:21:13,934 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2022-02-20 16:21:13,934 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2022-02-20 16:21:13,934 WARN L170 areAnnotationChecker]: L25-2 has no Hoare annotation [2022-02-20 16:21:13,934 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2022-02-20 16:21:13,935 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2022-02-20 16:21:13,935 WARN L170 areAnnotationChecker]: L5-1 has no Hoare annotation [2022-02-20 16:21:13,935 WARN L170 areAnnotationChecker]: L5-1 has no Hoare annotation [2022-02-20 16:21:13,935 WARN L170 areAnnotationChecker]: L5-3 has no Hoare annotation [2022-02-20 16:21:13,935 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 16:21:13,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 04:21:13 BoogieIcfgContainer [2022-02-20 16:21:13,936 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 16:21:13,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 16:21:13,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 16:21:13,937 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 16:21:13,937 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:21:12" (3/4) ... [2022-02-20 16:21:13,939 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-02-20 16:21:13,971 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 16:21:13,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 16:21:13,972 INFO L158 Benchmark]: Toolchain (without parser) took 2374.38ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 29.7MB in the beginning and 30.9MB in the end (delta: -1.1MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2022-02-20 16:21:13,973 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 52.4MB. Free memory was 33.3MB in the beginning and 33.3MB in the end (delta: 33.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:21:13,973 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.03ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 29.5MB in the beginning and 49.9MB in the end (delta: -20.4MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-02-20 16:21:13,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.49ms. Allocated memory is still 67.1MB. Free memory was 49.6MB in the beginning and 48.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:21:13,973 INFO L158 Benchmark]: Boogie Preprocessor took 48.69ms. Allocated memory is still 67.1MB. Free memory was 48.0MB in the beginning and 46.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 16:21:13,974 INFO L158 Benchmark]: RCFGBuilder took 303.16ms. Allocated memory is still 67.1MB. Free memory was 46.2MB in the beginning and 33.4MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-02-20 16:21:13,974 INFO L158 Benchmark]: TraceAbstraction took 1688.15ms. Allocated memory is still 67.1MB. Free memory was 49.7MB in the beginning and 33.4MB in the end (delta: 16.3MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2022-02-20 16:21:13,974 INFO L158 Benchmark]: Witness Printer took 34.61ms. Allocated memory is still 67.1MB. Free memory was 33.4MB in the beginning and 30.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 16:21:13,976 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 52.4MB. Free memory was 33.3MB in the beginning and 33.3MB in the end (delta: 33.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.03ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 29.5MB in the beginning and 49.9MB in the end (delta: -20.4MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.49ms. Allocated memory is still 67.1MB. Free memory was 49.6MB in the beginning and 48.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.69ms. Allocated memory is still 67.1MB. Free memory was 48.0MB in the beginning and 46.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 303.16ms. Allocated memory is still 67.1MB. Free memory was 46.2MB in the beginning and 33.4MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1688.15ms. Allocated memory is still 67.1MB. Free memory was 49.7MB in the beginning and 33.4MB in the end (delta: 16.3MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Witness Printer took 34.61ms. Allocated memory is still 67.1MB. Free memory was 33.4MB in the beginning and 30.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 5]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L34] double a; [L35] float r; [L37] a = __VERIFIER_nondet_double() [L38] CALL cast(a) [L10] double dmax; [L11] float f; [L13] EXPR \read(d) VAL [\old(d)=NaN, \read(d)=0, d={7:0}, dmax={5:0}, f={15:0}] [L13] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L15] ((unsigned*)&dmax)[0] = 0x47efffff [L16] ((unsigned*)&dmax)[1] = 0xe0000000 [L18] EXPR \read(d) [L18] EXPR \read(dmax) VAL [\old(d)=NaN, \read(d)=NaN, \read(dmax)=-26815623046150350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, d={7:0}, dmax={5:0}, f={15:0}] [L18] COND FALSE !(d > dmax) [L21] EXPR \read(d) [L21] EXPR \read(dmax) VAL [\old(d)=NaN, \read(d)=NaN, \read(dmax)=-26815623046150350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, d={7:0}, dmax={5:0}, f={15:0}] [L21] COND FALSE !(-d > dmax) [L25] EXPR \read(d) [L25] EXPR d >= -3.41e38 && d <= 3.41e38 VAL [\old(d)=NaN, \read(d)=NaN, d={7:0}, d >= -3.41e38 && d <= 3.41e38=0, dmax={5:0}, f={15:0}] [L25] CALL __VERIFIER_assert(d >= -3.41e38 && d <= 3.41e38) [L5] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 12 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 13 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.5s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 3 QuantifiedInterpolants, 324 SizeOfPredicates, 3 NumberOfNonLiveVariables, 65 ConjunctsInSsa, 15 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-02-20 16:21:14,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE