./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1122a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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-newlib/float_req_bl_1122a.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 11d6107924de66a58b91836187b6b12fed7ff2a1cca830501395e849f6954c14 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 14:34:15,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 14:34:15,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 14:34:15,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 14:34:15,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 14:34:15,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 14:34:15,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 14:34:15,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 14:34:15,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 14:34:15,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 14:34:15,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 14:34:15,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 14:34:15,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 14:34:15,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 14:34:15,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 14:34:15,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 14:34:15,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 14:34:15,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 14:34:15,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 14:34:15,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 14:34:15,208 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 14:34:15,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 14:34:15,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 14:34:15,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 14:34:15,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 14:34:15,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 14:34:15,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 14:34:15,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 14:34:15,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 14:34:15,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 14:34:15,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 14:34:15,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 14:34:15,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 14:34:15,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 14:34:15,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 14:34:15,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 14:34:15,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 14:34:15,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 14:34:15,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 14:34:15,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 14:34:15,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 14:34:15,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 14:34:15,224 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 14:34:15,246 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 14:34:15,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 14:34:15,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 14:34:15,247 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 14:34:15,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 14:34:15,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 14:34:15,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 14:34:15,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 14:34:15,249 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 14:34:15,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 14:34:15,250 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 14:34:15,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 14:34:15,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 14:34:15,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 14:34:15,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 14:34:15,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 14:34:15,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 14:34:15,250 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 14:34:15,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 14:34:15,251 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 14:34:15,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 14:34:15,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 14:34:15,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 14:34:15,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 14:34:15,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 14:34:15,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 14:34:15,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 14:34:15,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 14:34:15,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 14:34:15,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 14:34:15,252 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 14:34:15,253 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 14:34:15,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 14:34:15,253 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11d6107924de66a58b91836187b6b12fed7ff2a1cca830501395e849f6954c14 [2022-07-22 14:34:15,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 14:34:15,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 14:34:15,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 14:34:15,439 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 14:34:15,439 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 14:34:15,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1122a.c [2022-07-22 14:34:15,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27d004bff/b65615a1f7a64d198d083356bd703f48/FLAGf3b7d8890 [2022-07-22 14:34:15,782 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 14:34:15,783 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c [2022-07-22 14:34:15,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27d004bff/b65615a1f7a64d198d083356bd703f48/FLAGf3b7d8890 [2022-07-22 14:34:16,199 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27d004bff/b65615a1f7a64d198d083356bd703f48 [2022-07-22 14:34:16,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 14:34:16,218 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 14:34:16,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 14:34:16,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 14:34:16,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 14:34:16,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:34:16" (1/1) ... [2022-07-22 14:34:16,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59baeb0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:16, skipping insertion in model container [2022-07-22 14:34:16,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:34:16" (1/1) ... [2022-07-22 14:34:16,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 14:34:16,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 14:34:16,413 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-newlib/float_req_bl_1122a.c[2725,2738] [2022-07-22 14:34:16,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 14:34:16,425 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 14:34:16,458 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-newlib/float_req_bl_1122a.c[2725,2738] [2022-07-22 14:34:16,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 14:34:16,470 INFO L208 MainTranslator]: Completed translation [2022-07-22 14:34:16,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:16 WrapperNode [2022-07-22 14:34:16,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 14:34:16,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 14:34:16,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 14:34:16,471 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 14:34:16,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:16" (1/1) ... [2022-07-22 14:34:16,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:16" (1/1) ... [2022-07-22 14:34:16,503 INFO L137 Inliner]: procedures = 18, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 205 [2022-07-22 14:34:16,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 14:34:16,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 14:34:16,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 14:34:16,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 14:34:16,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:16" (1/1) ... [2022-07-22 14:34:16,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:16" (1/1) ... [2022-07-22 14:34:16,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:16" (1/1) ... [2022-07-22 14:34:16,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:16" (1/1) ... [2022-07-22 14:34:16,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:16" (1/1) ... [2022-07-22 14:34:16,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:16" (1/1) ... [2022-07-22 14:34:16,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:16" (1/1) ... [2022-07-22 14:34:16,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 14:34:16,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 14:34:16,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 14:34:16,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 14:34:16,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:16" (1/1) ... [2022-07-22 14:34:16,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 14:34:16,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 14:34:16,555 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) [2022-07-22 14:34:16,561 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 [2022-07-22 14:34:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 14:34:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 14:34:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 14:34:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 14:34:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-22 14:34:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-07-22 14:34:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 14:34:16,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 14:34:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 14:34:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-07-22 14:34:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 14:34:16,674 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 14:34:16,675 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 14:34:16,900 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 14:34:16,907 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 14:34:16,907 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2022-07-22 14:34:16,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:34:16 BoogieIcfgContainer [2022-07-22 14:34:16,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 14:34:16,912 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 14:34:16,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 14:34:16,927 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 14:34:16,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 02:34:16" (1/3) ... [2022-07-22 14:34:16,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3740d132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:34:16, skipping insertion in model container [2022-07-22 14:34:16,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:16" (2/3) ... [2022-07-22 14:34:16,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3740d132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:34:16, skipping insertion in model container [2022-07-22 14:34:16,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:34:16" (3/3) ... [2022-07-22 14:34:16,930 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1122a.c [2022-07-22 14:34:16,941 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 14:34:16,942 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 14:34:16,997 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 14:34:17,011 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6a9e7c60, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4fc2309b [2022-07-22 14:34:17,014 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 14:34:17,022 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 52 states have (on average 1.8076923076923077) internal successors, (94), 53 states have internal predecessors, (94), 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) [2022-07-22 14:34:17,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-22 14:34:17,027 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:34:17,027 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:34:17,028 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:34:17,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:34:17,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1366069876, now seen corresponding path program 1 times [2022-07-22 14:34:17,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 14:34:17,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373026359] [2022-07-22 14:34:17,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:34:17,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 14:34:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:34:17,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:34:17,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 14:34:17,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373026359] [2022-07-22 14:34:17,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373026359] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:34:17,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:34:17,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 14:34:17,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128002334] [2022-07-22 14:34:17,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:34:17,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 14:34:17,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 14:34:17,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 14:34:17,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 14:34:17,210 INFO L87 Difference]: Start difference. First operand has 54 states, 52 states have (on average 1.8076923076923077) internal successors, (94), 53 states have internal predecessors, (94), 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 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-07-22 14:34:17,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:34:17,232 INFO L93 Difference]: Finished difference Result 106 states and 186 transitions. [2022-07-22 14:34:17,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 14:34:17,233 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2022-07-22 14:34:17,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:34:17,242 INFO L225 Difference]: With dead ends: 106 [2022-07-22 14:34:17,242 INFO L226 Difference]: Without dead ends: 51 [2022-07-22 14:34:17,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 14:34:17,247 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:34:17,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 14:34:17,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-07-22 14:34:17,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-07-22 14:34:17,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.4) internal successors, (70), 50 states have internal predecessors, (70), 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) [2022-07-22 14:34:17,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 70 transitions. [2022-07-22 14:34:17,278 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 70 transitions. Word has length 11 [2022-07-22 14:34:17,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:34:17,278 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 70 transitions. [2022-07-22 14:34:17,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-07-22 14:34:17,279 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-07-22 14:34:17,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-22 14:34:17,280 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:34:17,280 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:34:17,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 14:34:17,281 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:34:17,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:34:17,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1947332695, now seen corresponding path program 1 times [2022-07-22 14:34:17,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 14:34:17,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752175614] [2022-07-22 14:34:17,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:34:17,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 14:34:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 14:34:17,357 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 14:34:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 14:34:17,425 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 14:34:17,425 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-22 14:34:17,427 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 14:34:17,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 14:34:17,433 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-22 14:34:17,435 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 14:34:17,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 02:34:17 BoogieIcfgContainer [2022-07-22 14:34:17,463 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 14:34:17,464 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 14:34:17,464 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 14:34:17,464 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 14:34:17,465 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:34:16" (3/4) ... [2022-07-22 14:34:17,466 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 14:34:17,467 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 14:34:17,468 INFO L158 Benchmark]: Toolchain (without parser) took 1249.09ms. Allocated memory is still 144.7MB. Free memory was 113.3MB in the beginning and 105.8MB in the end (delta: 7.5MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2022-07-22 14:34:17,468 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 96.5MB. Free memory was 54.1MB in the beginning and 54.0MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 14:34:17,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.39ms. Allocated memory is still 144.7MB. Free memory was 113.0MB in the beginning and 117.6MB in the end (delta: -4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 14:34:17,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.53ms. Allocated memory is still 144.7MB. Free memory was 117.6MB in the beginning and 115.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 14:34:17,471 INFO L158 Benchmark]: Boogie Preprocessor took 24.95ms. Allocated memory is still 144.7MB. Free memory was 115.0MB in the beginning and 113.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 14:34:17,473 INFO L158 Benchmark]: RCFGBuilder took 381.04ms. Allocated memory is still 144.7MB. Free memory was 113.2MB in the beginning and 96.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-22 14:34:17,473 INFO L158 Benchmark]: TraceAbstraction took 551.21ms. Allocated memory is still 144.7MB. Free memory was 96.1MB in the beginning and 105.8MB in the end (delta: -9.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 14:34:17,473 INFO L158 Benchmark]: Witness Printer took 3.03ms. Allocated memory is still 144.7MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 14:34:17,478 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 96.5MB. Free memory was 54.1MB in the beginning and 54.0MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.39ms. Allocated memory is still 144.7MB. Free memory was 113.0MB in the beginning and 117.6MB in the end (delta: -4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.53ms. Allocated memory is still 144.7MB. Free memory was 117.6MB in the beginning and 115.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.95ms. Allocated memory is still 144.7MB. Free memory was 115.0MB in the beginning and 113.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 381.04ms. Allocated memory is still 144.7MB. Free memory was 113.2MB in the beginning and 96.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 551.21ms. Allocated memory is still 144.7MB. Free memory was 96.1MB in the beginning and 105.8MB in the end (delta: -9.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.03ms. Allocated memory is still 144.7MB. Free memory is still 105.8MB. 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: 125]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of bitwiseAnd at line 34, overapproximation of someBinaryArithmeticFLOAToperation at line 37, overapproximation of bitwiseXOr at line 33. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={4:0}] [L119] float x = 1.0f / 0.0f; [L120] float y = __VERIFIER_nondet_float(); [L121] CALL, EXPR fmod_float(x, y) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [\old(x)=4294967299, \old(y)=4294967297, one_fmod=1, x=4294967299, y=4294967297, Zero_fmod={4:0}] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (hx) = gf_u.word [L28] ieee_float_shape_type gf_u; [L29] gf_u.value = (y) [L30] EXPR gf_u.word [L30] (hy) = gf_u.word [L32] sx = hx & 0x80000000 VAL [\old(x)=4294967299, \old(y)=4294967297, hx=0, hy=-1, one_fmod=1, sx=0, x=4294967299, y=4294967297, Zero_fmod={4:0}] [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [\old(x)=4294967299, \old(y)=4294967297, hx=0, hy=0, one_fmod=1, sx=0, x=4294967299, y=4294967297, Zero_fmod={4:0}] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [\old(x)=4294967299, \old(y)=4294967297, hx=0, hy=0, one_fmod=1, sx=0, x=4294967299, y=4294967297, Zero_fmod={4:0}] [L121] RET, EXPR fmod_float(x, y) [L121] float res = fmod_float(x, y); [L124] CALL, EXPR isnan_float(res) [L110] return x != x; VAL [\old(x)=4294967298, \result=0, one_fmod=1, x=4294967298, Zero_fmod={4:0}] [L124] RET, EXPR isnan_float(res) [L124] COND TRUE !isnan_float(res) [L125] reach_error() VAL [one_fmod=1, res=4294967298, x=4294967299, y=4294967297, Zero_fmod={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 73 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 73 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 [2022-07-22 14:34:17,507 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 -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-newlib/float_req_bl_1122a.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 11d6107924de66a58b91836187b6b12fed7ff2a1cca830501395e849f6954c14 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 14:34:19,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 14:34:19,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 14:34:19,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 14:34:19,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 14:34:19,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 14:34:19,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 14:34:19,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 14:34:19,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 14:34:19,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 14:34:19,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 14:34:19,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 14:34:19,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 14:34:19,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 14:34:19,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 14:34:19,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 14:34:19,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 14:34:19,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 14:34:19,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 14:34:19,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 14:34:19,352 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 14:34:19,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 14:34:19,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 14:34:19,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 14:34:19,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 14:34:19,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 14:34:19,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 14:34:19,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 14:34:19,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 14:34:19,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 14:34:19,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 14:34:19,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 14:34:19,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 14:34:19,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 14:34:19,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 14:34:19,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 14:34:19,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 14:34:19,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 14:34:19,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 14:34:19,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 14:34:19,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 14:34:19,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 14:34:19,373 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-22 14:34:19,391 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 14:34:19,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 14:34:19,392 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 14:34:19,392 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 14:34:19,393 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 14:34:19,393 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 14:34:19,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 14:34:19,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 14:34:19,394 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 14:34:19,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 14:34:19,394 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 14:34:19,395 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 14:34:19,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 14:34:19,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 14:34:19,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 14:34:19,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 14:34:19,395 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 14:34:19,396 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 14:34:19,396 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 14:34:19,396 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 14:34:19,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 14:34:19,396 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 14:34:19,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 14:34:19,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 14:34:19,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 14:34:19,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 14:34:19,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 14:34:19,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 14:34:19,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 14:34:19,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 14:34:19,397 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 14:34:19,398 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 14:34:19,398 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 14:34:19,398 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 14:34:19,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 14:34:19,398 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 14:34:19,398 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11d6107924de66a58b91836187b6b12fed7ff2a1cca830501395e849f6954c14 [2022-07-22 14:34:19,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 14:34:19,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 14:34:19,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 14:34:19,693 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 14:34:19,694 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 14:34:19,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1122a.c [2022-07-22 14:34:19,740 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffbe25f4f/92005405e87e45dca1edf070e8c01554/FLAG79b279c04 [2022-07-22 14:34:20,088 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 14:34:20,089 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c [2022-07-22 14:34:20,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffbe25f4f/92005405e87e45dca1edf070e8c01554/FLAG79b279c04 [2022-07-22 14:34:20,499 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffbe25f4f/92005405e87e45dca1edf070e8c01554 [2022-07-22 14:34:20,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 14:34:20,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 14:34:20,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 14:34:20,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 14:34:20,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 14:34:20,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:34:20" (1/1) ... [2022-07-22 14:34:20,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6761ebdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:20, skipping insertion in model container [2022-07-22 14:34:20,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:34:20" (1/1) ... [2022-07-22 14:34:20,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 14:34:20,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 14:34:20,668 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-newlib/float_req_bl_1122a.c[2725,2738] [2022-07-22 14:34:20,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 14:34:20,735 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 14:34:20,769 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-newlib/float_req_bl_1122a.c[2725,2738] [2022-07-22 14:34:20,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 14:34:20,780 INFO L208 MainTranslator]: Completed translation [2022-07-22 14:34:20,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:20 WrapperNode [2022-07-22 14:34:20,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 14:34:20,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 14:34:20,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 14:34:20,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 14:34:20,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:20" (1/1) ... [2022-07-22 14:34:20,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:20" (1/1) ... [2022-07-22 14:34:20,823 INFO L137 Inliner]: procedures = 21, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 169 [2022-07-22 14:34:20,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 14:34:20,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 14:34:20,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 14:34:20,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 14:34:20,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:20" (1/1) ... [2022-07-22 14:34:20,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:20" (1/1) ... [2022-07-22 14:34:20,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:20" (1/1) ... [2022-07-22 14:34:20,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:20" (1/1) ... [2022-07-22 14:34:20,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:20" (1/1) ... [2022-07-22 14:34:20,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:20" (1/1) ... [2022-07-22 14:34:20,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:20" (1/1) ... [2022-07-22 14:34:20,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 14:34:20,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 14:34:20,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 14:34:20,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 14:34:20,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:20" (1/1) ... [2022-07-22 14:34:20,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 14:34:20,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 14:34:20,926 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) [2022-07-22 14:34:20,933 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 [2022-07-22 14:34:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 14:34:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-07-22 14:34:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-22 14:34:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 14:34:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-07-22 14:34:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-22 14:34:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 14:34:20,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 14:34:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-07-22 14:34:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-22 14:34:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 14:34:21,062 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 14:34:21,064 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 14:34:23,926 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 14:34:23,930 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 14:34:23,930 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2022-07-22 14:34:23,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:34:23 BoogieIcfgContainer [2022-07-22 14:34:23,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 14:34:23,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 14:34:23,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 14:34:23,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 14:34:23,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 02:34:20" (1/3) ... [2022-07-22 14:34:23,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ada94b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:34:23, skipping insertion in model container [2022-07-22 14:34:23,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:34:20" (2/3) ... [2022-07-22 14:34:23,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ada94b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:34:23, skipping insertion in model container [2022-07-22 14:34:23,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:34:23" (3/3) ... [2022-07-22 14:34:23,940 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1122a.c [2022-07-22 14:34:23,950 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 14:34:23,950 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 14:34:23,982 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 14:34:23,987 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6cf25909, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5f4076f0 [2022-07-22 14:34:23,987 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 14:34:23,991 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 40 states have (on average 1.75) internal successors, (70), 41 states have internal predecessors, (70), 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) [2022-07-22 14:34:23,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-22 14:34:23,995 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:34:23,995 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:34:23,996 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:34:23,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:34:24,000 INFO L85 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2022-07-22 14:34:24,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:34:24,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [46071148] [2022-07-22 14:34:24,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:34:24,009 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:34:24,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:34:24,019 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) [2022-07-22 14:34:24,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-22 14:34:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:34:24,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-22 14:34:24,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:34:24,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:34:24,245 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:34:24,246 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:34:24,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [46071148] [2022-07-22 14:34:24,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [46071148] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:34:24,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:34:24,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 14:34:24,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317317913] [2022-07-22 14:34:24,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:34:24,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 14:34:24,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:34:24,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 14:34:24,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 14:34:24,278 INFO L87 Difference]: Start difference. First operand has 42 states, 40 states have (on average 1.75) internal successors, (70), 41 states have internal predecessors, (70), 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 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-07-22 14:34:24,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:34:24,297 INFO L93 Difference]: Finished difference Result 82 states and 138 transitions. [2022-07-22 14:34:24,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 14:34:24,299 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2022-07-22 14:34:24,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:34:24,305 INFO L225 Difference]: With dead ends: 82 [2022-07-22 14:34:24,305 INFO L226 Difference]: Without dead ends: 39 [2022-07-22 14:34:24,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 14:34:24,312 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:34:24,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 14:34:24,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-07-22 14:34:24,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-07-22 14:34:24,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 38 states have internal predecessors, (54), 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) [2022-07-22 14:34:24,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2022-07-22 14:34:24,345 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2022-07-22 14:34:24,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:34:24,346 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2022-07-22 14:34:24,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-07-22 14:34:24,346 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2022-07-22 14:34:24,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-22 14:34:24,347 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:34:24,348 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:34:24,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-22 14:34:24,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:34:24,562 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:34:24,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:34:24,563 INFO L85 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2022-07-22 14:34:24,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:34:24,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1527567837] [2022-07-22 14:34:24,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:34:24,567 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:34:24,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:34:24,568 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) [2022-07-22 14:34:24,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-22 14:34:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:34:24,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-22 14:34:24,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:34:27,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:34:27,199 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:34:27,199 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:34:27,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1527567837] [2022-07-22 14:34:27,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1527567837] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:34:27,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:34:27,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 14:34:27,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066092829] [2022-07-22 14:34:27,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:34:27,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 14:34:27,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:34:27,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 14:34:27,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-22 14:34:27,202 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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) [2022-07-22 14:34:28,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-22 14:34:30,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:34:30,550 INFO L93 Difference]: Finished difference Result 45 states and 59 transitions. [2022-07-22 14:34:30,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 14:34:30,550 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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 12 [2022-07-22 14:34:30,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:34:30,551 INFO L225 Difference]: With dead ends: 45 [2022-07-22 14:34:30,551 INFO L226 Difference]: Without dead ends: 40 [2022-07-22 14:34:30,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-22 14:34:30,552 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 87 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:34:30,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 187 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 10 Unchecked, 2.0s Time] [2022-07-22 14:34:30,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-07-22 14:34:30,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2022-07-22 14:34:30,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.394736842105263) internal successors, (53), 38 states have internal predecessors, (53), 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) [2022-07-22 14:34:30,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2022-07-22 14:34:30,557 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 53 transitions. Word has length 12 [2022-07-22 14:34:30,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:34:30,557 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 53 transitions. [2022-07-22 14:34:30,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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) [2022-07-22 14:34:30,557 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2022-07-22 14:34:30,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-22 14:34:30,558 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:34:30,558 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:34:30,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-22 14:34:30,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:34:30,760 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:34:30,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:34:30,760 INFO L85 PathProgramCache]: Analyzing trace with hash -302456811, now seen corresponding path program 1 times [2022-07-22 14:34:30,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:34:30,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2038716950] [2022-07-22 14:34:30,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:34:30,761 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:34:30,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:34:30,763 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:34:30,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-22 14:34:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:34:30,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-22 14:34:30,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:34:31,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:34:31,007 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:34:31,008 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:34:31,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2038716950] [2022-07-22 14:34:31,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2038716950] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:34:31,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:34:31,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 14:34:31,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655369527] [2022-07-22 14:34:31,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:34:31,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 14:34:31,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:34:31,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 14:34:31,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 14:34:31,009 INFO L87 Difference]: Start difference. First operand 39 states and 53 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-07-22 14:34:31,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:34:31,011 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2022-07-22 14:34:31,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 14:34:31,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2022-07-22 14:34:31,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:34:31,011 INFO L225 Difference]: With dead ends: 39 [2022-07-22 14:34:31,011 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 14:34:31,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 14:34:31,012 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:34:31,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 3 Unchecked, 0.0s Time] [2022-07-22 14:34:31,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 14:34:31,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 14:34:31,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-07-22 14:34:31,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 14:34:31,013 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2022-07-22 14:34:31,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:34:31,013 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 14:34:31,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-07-22 14:34:31,014 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 14:34:31,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 14:34:31,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 14:34:31,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-22 14:34:31,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:34:31,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 14:34:31,943 INFO L899 garLoopResultBuilder]: For program point L27(lines 27 31) no Hoare annotation was computed. [2022-07-22 14:34:31,943 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 60 65) no Hoare annotation was computed. [2022-07-22 14:34:31,943 INFO L899 garLoopResultBuilder]: For program point L27-1(lines 19 107) no Hoare annotation was computed. [2022-07-22 14:34:31,943 INFO L899 garLoopResultBuilder]: For program point L27-2(lines 27 31) no Hoare annotation was computed. [2022-07-22 14:34:31,944 INFO L895 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res#1|) [2022-07-22 14:34:31,944 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 75) no Hoare annotation was computed. [2022-07-22 14:34:31,944 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 37) no Hoare annotation was computed. [2022-07-22 14:34:31,944 INFO L895 garLoopResultBuilder]: At program point L69-2(lines 67 76) the Hoare annotation is: false [2022-07-22 14:34:31,944 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 14:34:31,944 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 14:34:31,944 INFO L899 garLoopResultBuilder]: For program point L78(lines 78 80) no Hoare annotation was computed. [2022-07-22 14:34:31,944 INFO L899 garLoopResultBuilder]: For program point L78-2(lines 19 107) no Hoare annotation was computed. [2022-07-22 14:34:31,944 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 19 107) no Hoare annotation was computed. [2022-07-22 14:34:31,944 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 39) no Hoare annotation was computed. [2022-07-22 14:34:31,944 INFO L902 garLoopResultBuilder]: At program point L129(lines 112 130) the Hoare annotation is: true [2022-07-22 14:34:31,945 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 105) no Hoare annotation was computed. [2022-07-22 14:34:31,945 INFO L899 garLoopResultBuilder]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2022-07-22 14:34:31,945 INFO L895 garLoopResultBuilder]: At program point L22-2(lines 22 26) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_fmod_float_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (= currentRoundingMode roundNearestTiesToEven)) [2022-07-22 14:34:31,945 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 73) no Hoare annotation was computed. [2022-07-22 14:34:31,945 INFO L899 garLoopResultBuilder]: For program point L48(lines 19 107) no Hoare annotation was computed. [2022-07-22 14:34:31,945 INFO L895 garLoopResultBuilder]: At program point L106(lines 19 107) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_float_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven) (exists ((|ULTIMATE.start_fmod_float_~y#1| (_ FloatingPoint 8 24))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) |ULTIMATE.start_fmod_float_~y#1|))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_float_#res#1|))) [2022-07-22 14:34:31,945 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 41) no Hoare annotation was computed. [2022-07-22 14:34:31,945 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 14:34:31,951 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 90 94) no Hoare annotation was computed. [2022-07-22 14:34:31,951 INFO L895 garLoopResultBuilder]: At program point L90-2(lines 90 94) the Hoare annotation is: false [2022-07-22 14:34:31,951 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 125) no Hoare annotation was computed. [2022-07-22 14:34:31,951 INFO L899 garLoopResultBuilder]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2022-07-22 14:34:31,952 INFO L895 garLoopResultBuilder]: At program point L49-3(lines 49 50) the Hoare annotation is: false [2022-07-22 14:34:31,952 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 99 103) no Hoare annotation was computed. [2022-07-22 14:34:31,952 INFO L895 garLoopResultBuilder]: At program point L99-2(lines 99 103) the Hoare annotation is: false [2022-07-22 14:34:31,952 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 14:34:31,952 INFO L899 garLoopResultBuilder]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2022-07-22 14:34:31,952 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 127) no Hoare annotation was computed. [2022-07-22 14:34:31,952 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 46) no Hoare annotation was computed. [2022-07-22 14:34:31,952 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 19 107) no Hoare annotation was computed. [2022-07-22 14:34:31,952 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 67 76) no Hoare annotation was computed. [2022-07-22 14:34:31,952 INFO L899 garLoopResultBuilder]: For program point L67-3(lines 67 76) no Hoare annotation was computed. [2022-07-22 14:34:31,952 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-07-22 14:34:31,952 INFO L895 garLoopResultBuilder]: At program point L84-2(lines 84 87) the Hoare annotation is: false [2022-07-22 14:34:31,952 INFO L899 garLoopResultBuilder]: For program point L84-3(lines 19 107) no Hoare annotation was computed. [2022-07-22 14:34:31,953 INFO L899 garLoopResultBuilder]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2022-07-22 14:34:31,953 INFO L895 garLoopResultBuilder]: At program point L43-3(lines 43 44) the Hoare annotation is: false [2022-07-22 14:34:31,955 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-07-22 14:34:31,960 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 14:34:31,971 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:34:31,972 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:34:31,973 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:31,973 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:34:31,973 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:34:31,973 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:31,976 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:31,979 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:31,979 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:31,979 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:31,979 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:31,998 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] [2022-07-22 14:34:31,998 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:31,998 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:31,999 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:31,999 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] [2022-07-22 14:34:31,999 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:31,999 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:32,000 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:32,000 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:32,000 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:32,000 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] [2022-07-22 14:34:32,000 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:32,000 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:32,000 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:32,001 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] [2022-07-22 14:34:32,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 02:34:32 BoogieIcfgContainer [2022-07-22 14:34:32,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 14:34:32,002 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 14:34:32,002 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 14:34:32,002 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 14:34:32,003 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:34:23" (3/4) ... [2022-07-22 14:34:32,005 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 14:34:32,024 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-07-22 14:34:32,025 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-07-22 14:34:32,025 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 14:34:32,026 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 14:34:32,047 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-07-22 14:34:32,070 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 14:34:32,070 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 14:34:32,071 INFO L158 Benchmark]: Toolchain (without parser) took 11568.82ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 40.9MB in the beginning and 57.5MB in the end (delta: -16.6MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2022-07-22 14:34:32,072 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory was 42.7MB in the beginning and 42.7MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 14:34:32,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.96ms. Allocated memory is still 60.8MB. Free memory was 40.6MB in the beginning and 42.3MB in the end (delta: -1.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-22 14:34:32,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.30ms. Allocated memory is still 60.8MB. Free memory was 42.1MB in the beginning and 40.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 14:34:32,073 INFO L158 Benchmark]: Boogie Preprocessor took 56.08ms. Allocated memory is still 60.8MB. Free memory was 40.1MB in the beginning and 38.4MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 14:34:32,074 INFO L158 Benchmark]: RCFGBuilder took 3053.01ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 38.2MB in the beginning and 60.6MB in the end (delta: -22.4MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2022-07-22 14:34:32,074 INFO L158 Benchmark]: TraceAbstraction took 8066.18ms. Allocated memory is still 81.8MB. Free memory was 60.2MB in the beginning and 60.1MB in the end (delta: 74.8kB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2022-07-22 14:34:32,075 INFO L158 Benchmark]: Witness Printer took 68.87ms. Allocated memory is still 81.8MB. Free memory was 60.1MB in the beginning and 57.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 14:34:32,077 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory was 42.7MB in the beginning and 42.7MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.96ms. Allocated memory is still 60.8MB. Free memory was 40.6MB in the beginning and 42.3MB in the end (delta: -1.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.30ms. Allocated memory is still 60.8MB. Free memory was 42.1MB in the beginning and 40.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.08ms. Allocated memory is still 60.8MB. Free memory was 40.1MB in the beginning and 38.4MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3053.01ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 38.2MB in the beginning and 60.6MB in the end (delta: -22.4MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * TraceAbstraction took 8066.18ms. Allocated memory is still 81.8MB. Free memory was 60.2MB in the beginning and 60.1MB in the end (delta: 74.8kB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Witness Printer took 68.87ms. Allocated memory is still 81.8MB. Free memory was 60.1MB in the beginning and 57.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] * 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 - PositiveResult [Line: 125]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 87 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 87 mSDsluCounter, 254 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 13 IncrementalHoareTripleChecker+Unchecked, 145 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 109 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 14 NumberOfFragments, 58 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 7 QuantifiedInterpolants, 204 SizeOfPredicates, 17 NumberOfNonLiveVariables, 180 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 1bv32 == \result - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2022-07-22 14:34:32,087 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:34:32,088 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:34:32,088 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:32,089 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:34:32,092 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-22 14:34:32,093 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant [2022-07-22 14:34:32,094 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:32,094 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:32,094 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:32,094 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:32,094 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:32,094 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] [2022-07-22 14:34:32,094 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:32,095 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:32,095 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:32,095 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] [2022-07-22 14:34:32,095 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:32,095 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:32,096 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:32,096 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:32,096 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:32,096 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] [2022-07-22 14:34:32,097 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:32,097 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:32,097 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-22 14:34:32,097 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] Derived loop invariant: (x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_fmod_float_~y#1 : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y#1), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y#1)) == \result) RESULT: Ultimate proved your program to be correct! [2022-07-22 14:34:32,187 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 Result: TRUE