./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0310.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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_0310.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 27cdb204cc37e8b1ae4c916f9eff82775b2980de5d97e2135b8c15849e257cda --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 14:47:27,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 14:47:27,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 14:47:27,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 14:47:27,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 14:47:27,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 14:47:27,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 14:47:27,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 14:47:27,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 14:47:27,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 14:47:27,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 14:47:27,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 14:47:27,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 14:47:27,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 14:47:27,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 14:47:27,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 14:47:27,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 14:47:27,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 14:47:27,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 14:47:27,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 14:47:27,201 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 14:47:27,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 14:47:27,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 14:47:27,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 14:47:27,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 14:47:27,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 14:47:27,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 14:47:27,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 14:47:27,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 14:47:27,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 14:47:27,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 14:47:27,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 14:47:27,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 14:47:27,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 14:47:27,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 14:47:27,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 14:47:27,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 14:47:27,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 14:47:27,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 14:47:27,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 14:47:27,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 14:47:27,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 14:47:27,214 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 14:47:27,230 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 14:47:27,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 14:47:27,230 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 14:47:27,232 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 14:47:27,232 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 14:47:27,232 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 14:47:27,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 14:47:27,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 14:47:27,234 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 14:47:27,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 14:47:27,234 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 14:47:27,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 14:47:27,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 14:47:27,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 14:47:27,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 14:47:27,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 14:47:27,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 14:47:27,236 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 14:47:27,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 14:47:27,237 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 14:47:27,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 14:47:27,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 14:47:27,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 14:47:27,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 14:47:27,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:47:27,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 14:47:27,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 14:47:27,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 14:47:27,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 14:47:27,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 14:47:27,239 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 14:47:27,240 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 14:47:27,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 14:47:27,240 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27cdb204cc37e8b1ae4c916f9eff82775b2980de5d97e2135b8c15849e257cda [2022-07-13 14:47:27,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 14:47:27,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 14:47:27,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 14:47:27,419 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 14:47:27,419 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 14:47:27,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0310.c [2022-07-13 14:47:27,475 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a56de123c/e0fc17f3e3ad4cc7bace2f318ed34c3d/FLAG72a5f0bcb [2022-07-13 14:47:27,899 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 14:47:27,900 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0310.c [2022-07-13 14:47:27,906 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a56de123c/e0fc17f3e3ad4cc7bace2f318ed34c3d/FLAG72a5f0bcb [2022-07-13 14:47:27,914 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a56de123c/e0fc17f3e3ad4cc7bace2f318ed34c3d [2022-07-13 14:47:27,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 14:47:27,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 14:47:27,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 14:47:27,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 14:47:27,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 14:47:27,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:47:27" (1/1) ... [2022-07-13 14:47:27,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cca5e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:27, skipping insertion in model container [2022-07-13 14:47:27,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:47:27" (1/1) ... [2022-07-13 14:47:27,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 14:47:27,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 14:47:28,194 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_0310.c[15490,15503] [2022-07-13 14:47:28,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:47:28,218 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 14:47:28,273 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_0310.c[15490,15503] [2022-07-13 14:47:28,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:47:28,298 INFO L208 MainTranslator]: Completed translation [2022-07-13 14:47:28,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:28 WrapperNode [2022-07-13 14:47:28,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 14:47:28,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 14:47:28,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 14:47:28,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 14:47:28,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:28" (1/1) ... [2022-07-13 14:47:28,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:28" (1/1) ... [2022-07-13 14:47:28,379 INFO L137 Inliner]: procedures = 26, calls = 491, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1136 [2022-07-13 14:47:28,379 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 14:47:28,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 14:47:28,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 14:47:28,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 14:47:28,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:28" (1/1) ... [2022-07-13 14:47:28,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:28" (1/1) ... [2022-07-13 14:47:28,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:28" (1/1) ... [2022-07-13 14:47:28,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:28" (1/1) ... [2022-07-13 14:47:28,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:28" (1/1) ... [2022-07-13 14:47:28,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:28" (1/1) ... [2022-07-13 14:47:28,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:28" (1/1) ... [2022-07-13 14:47:28,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 14:47:28,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 14:47:28,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 14:47:28,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 14:47:28,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:28" (1/1) ... [2022-07-13 14:47:28,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:47:28,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 14:47:28,477 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) [2022-07-13 14:47:28,493 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 [2022-07-13 14:47:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2022-07-13 14:47:28,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2022-07-13 14:47:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 14:47:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 14:47:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-13 14:47:28,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 14:47:28,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-07-13 14:47:28,507 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2022-07-13 14:47:28,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2022-07-13 14:47:28,507 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2022-07-13 14:47:28,507 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2022-07-13 14:47:28,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 14:47:28,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-07-13 14:47:28,508 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-07-13 14:47:28,508 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-07-13 14:47:28,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 14:47:28,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 14:47:28,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 14:47:28,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 14:47:28,625 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 14:47:28,626 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 14:47:29,316 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 14:47:29,325 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 14:47:29,325 INFO L299 CfgBuilder]: Removed 59 assume(true) statements. [2022-07-13 14:47:29,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:47:29 BoogieIcfgContainer [2022-07-13 14:47:29,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 14:47:29,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 14:47:29,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 14:47:29,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 14:47:29,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 02:47:27" (1/3) ... [2022-07-13 14:47:29,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfbc23b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:47:29, skipping insertion in model container [2022-07-13 14:47:29,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:28" (2/3) ... [2022-07-13 14:47:29,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfbc23b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:47:29, skipping insertion in model container [2022-07-13 14:47:29,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:47:29" (3/3) ... [2022-07-13 14:47:29,335 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0310.c [2022-07-13 14:47:29,346 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 14:47:29,346 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 14:47:29,378 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 14:47:29,386 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@196d75f6, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7d2efd00 [2022-07-13 14:47:29,386 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 14:47:29,391 INFO L276 IsEmpty]: Start isEmpty. Operand has 252 states, 234 states have (on average 1.6752136752136753) internal successors, (392), 235 states have internal predecessors, (392), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-13 14:47:29,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-13 14:47:29,395 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:47:29,396 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:47:29,396 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:47:29,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:47:29,400 INFO L85 PathProgramCache]: Analyzing trace with hash -708763669, now seen corresponding path program 1 times [2022-07-13 14:47:29,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 14:47:29,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656638169] [2022-07-13 14:47:29,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:47:29,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 14:47:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:47:29,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:47:29,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 14:47:29,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656638169] [2022-07-13 14:47:29,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656638169] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:47:29,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:47:29,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 14:47:29,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620660699] [2022-07-13 14:47:29,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:47:29,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 14:47:29,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 14:47:29,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 14:47:29,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 14:47:29,688 INFO L87 Difference]: Start difference. First operand has 252 states, 234 states have (on average 1.6752136752136753) internal successors, (392), 235 states have internal predecessors, (392), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) 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) [2022-07-13 14:47:29,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:47:29,746 INFO L93 Difference]: Finished difference Result 502 states and 842 transitions. [2022-07-13 14:47:29,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 14:47:29,749 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 [2022-07-13 14:47:29,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:47:29,762 INFO L225 Difference]: With dead ends: 502 [2022-07-13 14:47:29,763 INFO L226 Difference]: Without dead ends: 249 [2022-07-13 14:47:29,769 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 [2022-07-13 14:47:29,771 INFO L413 NwaCegarLoop]: 352 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, 352 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 [2022-07-13 14:47:29,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 14:47:29,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-07-13 14:47:29,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2022-07-13 14:47:29,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 232 states have (on average 1.4008620689655173) internal successors, (325), 232 states have internal predecessors, (325), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-13 14:47:29,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 349 transitions. [2022-07-13 14:47:29,822 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 349 transitions. Word has length 10 [2022-07-13 14:47:29,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:47:29,823 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 349 transitions. [2022-07-13 14:47:29,823 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) [2022-07-13 14:47:29,823 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 349 transitions. [2022-07-13 14:47:29,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-13 14:47:29,823 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:47:29,824 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:47:29,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 14:47:29,824 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:47:29,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:47:29,825 INFO L85 PathProgramCache]: Analyzing trace with hash 759920353, now seen corresponding path program 1 times [2022-07-13 14:47:29,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 14:47:29,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801977469] [2022-07-13 14:47:29,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:47:29,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 14:47:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 14:47:29,946 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 14:47:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 14:47:30,071 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 14:47:30,072 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-13 14:47:30,073 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 14:47:30,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 14:47:30,076 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-13 14:47:30,079 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 14:47:30,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 02:47:30 BoogieIcfgContainer [2022-07-13 14:47:30,122 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 14:47:30,123 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 14:47:30,123 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 14:47:30,123 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 14:47:30,123 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:47:29" (3/4) ... [2022-07-13 14:47:30,125 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-13 14:47:30,126 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 14:47:30,127 INFO L158 Benchmark]: Toolchain (without parser) took 2210.48ms. Allocated memory was 92.3MB in the beginning and 132.1MB in the end (delta: 39.8MB). Free memory was 60.8MB in the beginning and 78.0MB in the end (delta: -17.2MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2022-07-13 14:47:30,127 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:47:30,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.91ms. Allocated memory was 92.3MB in the beginning and 132.1MB in the end (delta: 39.8MB). Free memory was 60.5MB in the beginning and 91.4MB in the end (delta: -30.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 14:47:30,128 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.07ms. Allocated memory is still 132.1MB. Free memory was 91.4MB in the beginning and 84.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 14:47:30,128 INFO L158 Benchmark]: Boogie Preprocessor took 72.89ms. Allocated memory is still 132.1MB. Free memory was 84.1MB in the beginning and 77.3MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-13 14:47:30,129 INFO L158 Benchmark]: RCFGBuilder took 873.94ms. Allocated memory is still 132.1MB. Free memory was 77.3MB in the beginning and 99.8MB in the end (delta: -22.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-07-13 14:47:30,129 INFO L158 Benchmark]: TraceAbstraction took 792.07ms. Allocated memory is still 132.1MB. Free memory was 99.4MB in the beginning and 78.9MB in the end (delta: 20.5MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2022-07-13 14:47:30,129 INFO L158 Benchmark]: Witness Printer took 3.33ms. Allocated memory is still 132.1MB. Free memory was 78.9MB in the beginning and 78.0MB in the end (delta: 909.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:47:30,132 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.91ms. Allocated memory was 92.3MB in the beginning and 132.1MB in the end (delta: 39.8MB). Free memory was 60.5MB in the beginning and 91.4MB in the end (delta: -30.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.07ms. Allocated memory is still 132.1MB. Free memory was 91.4MB in the beginning and 84.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.89ms. Allocated memory is still 132.1MB. Free memory was 84.1MB in the beginning and 77.3MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 873.94ms. Allocated memory is still 132.1MB. Free memory was 77.3MB in the beginning and 99.8MB in the end (delta: -22.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 792.07ms. Allocated memory is still 132.1MB. Free memory was 99.4MB in the beginning and 78.9MB in the end (delta: 20.5MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Witness Printer took 3.33ms. Allocated memory is still 132.1MB. Free memory was 78.9MB in the beginning and 78.0MB in the end (delta: 909.0kB). 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: 613]: 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 64, overapproximation of someUnaryDOUBLEoperation at line 500, overapproximation of bitwiseAnd at line 579, overapproximation of someBinaryArithmeticFLOAToperation at line 584. Possible FailurePath: [L18] static const float huge_floor = 1.0e30; [L86-L88] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L158] static const int init_jk_krempio[] = {4, 7, 9}; [L160-L164] static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L166-L168] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L343-L361] static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L363-L369] static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; [L371-L380] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L500-L503] static const float half_ksin = 5.0000000000e-01, S1_ksin = -1.6666667163e-01, S2_ksin = 8.3333337680e-03, S3_ksin = -1.9841270114e-04, S4_ksin = 2.7557314297e-06, S5_ksin = -2.5050759689e-08, S6_ksin = 1.5896910177e-10; [L527-L530] static const float one_kcos = 1.0000000000e+00, C1_kcos = 4.1666667908e-02, C2_kcos = -1.3888889225e-03, C3_kcos = 2.4801587642e-05, C4_kcos = -2.7557314297e-07, C5_kcos = 2.0875723372e-09, C6_kcos = -1.1359647598e-11; [L567] static const float one_cos = 1.0; VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L608] float x = 0.0f / 0.0f; [L609] CALL, EXPR cos_float(x) [L570] float y[2], z = 0.0; [L571] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000002, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L574] ieee_float_shape_type gf_u; [L575] gf_u.value = (x) [L576] EXPR gf_u.word [L576] (ix) = gf_u.word [L579] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000002, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L580] COND FALSE !(ix <= 0x3f490fd8) VAL [\old(x)=1000000000000000000000000000002, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L583] COND TRUE !((ix) < 0x7f800000L) [L584] return x - x; [L584] return x - x; VAL [\old(x)=1000000000000000000000000000002, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, z=0, zero_krempio=0, zero_rempio=0] [L609] RET, EXPR cos_float(x) [L609] float res = cos_float(x); [L612] CALL, EXPR isnan_float(res) [L64] return x != x; VAL [\old(x)=1000000000000000000000000000001, \result=0, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000001, zero_krempio=0, zero_rempio=0] [L612] RET, EXPR isnan_float(res) [L612] COND TRUE !isnan_float(res) [L613] reach_error() VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, res=1000000000000000000000000000001, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 252 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 352 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, 352 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=252occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2022-07-13 14:47:30,173 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_0310.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 27cdb204cc37e8b1ae4c916f9eff82775b2980de5d97e2135b8c15849e257cda --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 14:47:31,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 14:47:31,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 14:47:31,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 14:47:31,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 14:47:31,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 14:47:31,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 14:47:31,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 14:47:31,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 14:47:31,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 14:47:31,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 14:47:31,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 14:47:31,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 14:47:31,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 14:47:31,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 14:47:31,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 14:47:31,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 14:47:31,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 14:47:31,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 14:47:31,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 14:47:31,847 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 14:47:31,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 14:47:31,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 14:47:31,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 14:47:31,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 14:47:31,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 14:47:31,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 14:47:31,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 14:47:31,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 14:47:31,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 14:47:31,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 14:47:31,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 14:47:31,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 14:47:31,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 14:47:31,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 14:47:31,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 14:47:31,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 14:47:31,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 14:47:31,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 14:47:31,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 14:47:31,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 14:47:31,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 14:47:31,861 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-13 14:47:31,897 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 14:47:31,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 14:47:31,898 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 14:47:31,898 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 14:47:31,899 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 14:47:31,899 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 14:47:31,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 14:47:31,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 14:47:31,900 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 14:47:31,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 14:47:31,901 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 14:47:31,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 14:47:31,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 14:47:31,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 14:47:31,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 14:47:31,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 14:47:31,902 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-13 14:47:31,902 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-13 14:47:31,902 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-13 14:47:31,902 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 14:47:31,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 14:47:31,903 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 14:47:31,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 14:47:31,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 14:47:31,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 14:47:31,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 14:47:31,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:47:31,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 14:47:31,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 14:47:31,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 14:47:31,904 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-13 14:47:31,904 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-13 14:47:31,904 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 14:47:31,904 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 14:47:31,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 14:47:31,905 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-13 14:47:31,905 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27cdb204cc37e8b1ae4c916f9eff82775b2980de5d97e2135b8c15849e257cda [2022-07-13 14:47:32,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 14:47:32,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 14:47:32,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 14:47:32,171 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 14:47:32,172 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 14:47:32,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0310.c [2022-07-13 14:47:32,208 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc3e85058/7bcb358452e547dd803ed8aabb2e3e6b/FLAGa70335674 [2022-07-13 14:47:32,614 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 14:47:32,615 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0310.c [2022-07-13 14:47:32,622 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc3e85058/7bcb358452e547dd803ed8aabb2e3e6b/FLAGa70335674 [2022-07-13 14:47:32,631 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc3e85058/7bcb358452e547dd803ed8aabb2e3e6b [2022-07-13 14:47:32,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 14:47:32,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 14:47:32,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 14:47:32,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 14:47:32,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 14:47:32,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:47:32" (1/1) ... [2022-07-13 14:47:32,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c449ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:32, skipping insertion in model container [2022-07-13 14:47:32,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:47:32" (1/1) ... [2022-07-13 14:47:32,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 14:47:32,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 14:47:32,913 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_0310.c[15490,15503] [2022-07-13 14:47:32,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:47:32,945 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 14:47:33,038 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_0310.c[15490,15503] [2022-07-13 14:47:33,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:47:33,076 INFO L208 MainTranslator]: Completed translation [2022-07-13 14:47:33,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:33 WrapperNode [2022-07-13 14:47:33,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 14:47:33,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 14:47:33,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 14:47:33,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 14:47:33,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:33" (1/1) ... [2022-07-13 14:47:33,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:33" (1/1) ... [2022-07-13 14:47:33,172 INFO L137 Inliner]: procedures = 30, calls = 491, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1122 [2022-07-13 14:47:33,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 14:47:33,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 14:47:33,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 14:47:33,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 14:47:33,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:33" (1/1) ... [2022-07-13 14:47:33,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:33" (1/1) ... [2022-07-13 14:47:33,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:33" (1/1) ... [2022-07-13 14:47:33,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:33" (1/1) ... [2022-07-13 14:47:33,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:33" (1/1) ... [2022-07-13 14:47:33,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:33" (1/1) ... [2022-07-13 14:47:33,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:33" (1/1) ... [2022-07-13 14:47:33,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 14:47:33,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 14:47:33,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 14:47:33,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 14:47:33,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:33" (1/1) ... [2022-07-13 14:47:33,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:47:33,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 14:47:33,298 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) [2022-07-13 14:47:33,308 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 [2022-07-13 14:47:33,330 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2022-07-13 14:47:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2022-07-13 14:47:33,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 14:47:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-13 14:47:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-13 14:47:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 14:47:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-07-13 14:47:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-13 14:47:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2022-07-13 14:47:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2022-07-13 14:47:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2022-07-13 14:47:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2022-07-13 14:47:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-07-13 14:47:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-07-13 14:47:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-07-13 14:47:33,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-07-13 14:47:33,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 14:47:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 14:47:33,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-13 14:47:33,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 14:47:33,488 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 14:47:33,489 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 14:48:09,553 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 14:48:09,565 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 14:48:09,566 INFO L299 CfgBuilder]: Removed 59 assume(true) statements. [2022-07-13 14:48:09,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:48:09 BoogieIcfgContainer [2022-07-13 14:48:09,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 14:48:09,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 14:48:09,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 14:48:09,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 14:48:09,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 02:47:32" (1/3) ... [2022-07-13 14:48:09,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b3a76e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:48:09, skipping insertion in model container [2022-07-13 14:48:09,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:47:33" (2/3) ... [2022-07-13 14:48:09,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b3a76e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:48:09, skipping insertion in model container [2022-07-13 14:48:09,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:48:09" (3/3) ... [2022-07-13 14:48:09,579 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0310.c [2022-07-13 14:48:09,589 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 14:48:09,589 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 14:48:09,642 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 14:48:09,650 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@72a456ca, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@25bb392a [2022-07-13 14:48:09,651 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 14:48:09,655 INFO L276 IsEmpty]: Start isEmpty. Operand has 245 states, 227 states have (on average 1.6607929515418502) internal successors, (377), 228 states have internal predecessors, (377), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-13 14:48:09,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-13 14:48:09,659 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:48:09,660 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:48:09,660 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:48:09,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:48:09,664 INFO L85 PathProgramCache]: Analyzing trace with hash -709379349, now seen corresponding path program 1 times [2022-07-13 14:48:09,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:48:09,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [220050259] [2022-07-13 14:48:09,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:48:09,676 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:48:09,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:48:09,678 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) [2022-07-13 14:48:09,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-13 14:48:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:48:10,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-13 14:48:10,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:48:10,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:48:10,806 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:48:10,806 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:48:10,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [220050259] [2022-07-13 14:48:10,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [220050259] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:48:10,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:48:10,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 14:48:10,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992648712] [2022-07-13 14:48:10,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:48:10,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 14:48:10,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:48:10,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 14:48:10,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 14:48:10,846 INFO L87 Difference]: Start difference. First operand has 245 states, 227 states have (on average 1.6607929515418502) internal successors, (377), 228 states have internal predecessors, (377), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) 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) [2022-07-13 14:48:10,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:48:10,898 INFO L93 Difference]: Finished difference Result 488 states and 812 transitions. [2022-07-13 14:48:10,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 14:48:10,900 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 [2022-07-13 14:48:10,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:48:10,908 INFO L225 Difference]: With dead ends: 488 [2022-07-13 14:48:10,911 INFO L226 Difference]: Without dead ends: 242 [2022-07-13 14:48:10,915 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 [2022-07-13 14:48:10,918 INFO L413 NwaCegarLoop]: 341 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, 341 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 [2022-07-13 14:48:10,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 14:48:10,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2022-07-13 14:48:10,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2022-07-13 14:48:10,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 225 states have (on average 1.3955555555555557) internal successors, (314), 225 states have internal predecessors, (314), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-13 14:48:10,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 338 transitions. [2022-07-13 14:48:10,968 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 338 transitions. Word has length 10 [2022-07-13 14:48:10,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:48:10,968 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 338 transitions. [2022-07-13 14:48:10,968 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) [2022-07-13 14:48:10,968 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 338 transitions. [2022-07-13 14:48:10,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-13 14:48:10,969 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:48:10,969 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:48:11,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-13 14:48:11,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:48:11,188 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:48:11,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:48:11,188 INFO L85 PathProgramCache]: Analyzing trace with hash 759304673, now seen corresponding path program 1 times [2022-07-13 14:48:11,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:48:11,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1029259792] [2022-07-13 14:48:11,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:48:11,189 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:48:11,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:48:11,190 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) [2022-07-13 14:48:11,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-13 14:48:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:48:12,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-13 14:48:12,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:48:12,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:48:12,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:48:12,668 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:48:12,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1029259792] [2022-07-13 14:48:12,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1029259792] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:48:12,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:48:12,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 14:48:12,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821931880] [2022-07-13 14:48:12,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:48:12,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 14:48:12,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:48:12,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 14:48:12,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-13 14:48:12,671 INFO L87 Difference]: Start difference. First operand 242 states and 338 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 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) [2022-07-13 14:48:15,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:48:17,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:48:19,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:48:22,493 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:48:23,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:48:25,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:48:27,257 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:48:29,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:48:32,051 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:48:34,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:48:36,398 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:48:39,563 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:48:41,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:48:45,285 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:48:51,977 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:48:53,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:48:55,290 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:48:56,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:00,533 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:01,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:04,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:49:04,432 INFO L93 Difference]: Finished difference Result 421 states and 592 transitions. [2022-07-13 14:49:04,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 14:49:04,444 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 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 [2022-07-13 14:49:04,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:49:04,447 INFO L225 Difference]: With dead ends: 421 [2022-07-13 14:49:04,447 INFO L226 Difference]: Without dead ends: 416 [2022-07-13 14:49:04,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-13 14:49:04,448 INFO L413 NwaCegarLoop]: 283 mSDtfsCounter, 518 mSDsluCounter, 1117 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 14 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.5s IncrementalHoareTripleChecker+Time [2022-07-13 14:49:04,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 1400 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 317 Invalid, 12 Unknown, 0 Unchecked, 51.5s Time] [2022-07-13 14:49:04,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2022-07-13 14:49:04,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 242. [2022-07-13 14:49:04,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 225 states have (on average 1.3911111111111112) internal successors, (313), 225 states have internal predecessors, (313), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-13 14:49:04,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 337 transitions. [2022-07-13 14:49:04,465 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 337 transitions. Word has length 11 [2022-07-13 14:49:04,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:49:04,465 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 337 transitions. [2022-07-13 14:49:04,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 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) [2022-07-13 14:49:04,465 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 337 transitions. [2022-07-13 14:49:04,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-13 14:49:04,466 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:49:04,466 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:49:04,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-13 14:49:04,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:49:04,672 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:49:04,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:49:04,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1245430414, now seen corresponding path program 1 times [2022-07-13 14:49:04,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:49:04,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [925248849] [2022-07-13 14:49:04,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:49:04,674 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:49:04,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:49:04,675 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) [2022-07-13 14:49:04,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-13 14:49:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:49:05,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-13 14:49:05,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:49:05,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:49:05,954 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:49:05,955 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:49:05,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [925248849] [2022-07-13 14:49:05,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [925248849] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:49:05,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:49:05,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 14:49:05,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600912028] [2022-07-13 14:49:05,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:49:05,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 14:49:05,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:49:05,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 14:49:05,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-13 14:49:05,958 INFO L87 Difference]: Start difference. First operand 242 states and 337 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 14:49:05,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:49:05,965 INFO L93 Difference]: Finished difference Result 261 states and 358 transitions. [2022-07-13 14:49:05,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 14:49:05,965 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-07-13 14:49:05,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:49:05,967 INFO L225 Difference]: With dead ends: 261 [2022-07-13 14:49:05,967 INFO L226 Difference]: Without dead ends: 240 [2022-07-13 14:49:05,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-13 14:49:05,971 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 0 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 14:49:05,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 986 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 6 Unchecked, 0.0s Time] [2022-07-13 14:49:05,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2022-07-13 14:49:05,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2022-07-13 14:49:05,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 224 states have (on average 1.3883928571428572) internal successors, (311), 224 states have internal predecessors, (311), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-13 14:49:05,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 333 transitions. [2022-07-13 14:49:05,988 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 333 transitions. Word has length 20 [2022-07-13 14:49:05,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:49:05,988 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 333 transitions. [2022-07-13 14:49:05,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 14:49:05,988 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 333 transitions. [2022-07-13 14:49:05,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-07-13 14:49:05,989 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:49:05,989 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:49:06,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-13 14:49:06,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:49:06,195 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:49:06,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:49:06,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1362280166, now seen corresponding path program 1 times [2022-07-13 14:49:06,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:49:06,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321992402] [2022-07-13 14:49:06,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:49:06,197 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:49:06,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:49:06,207 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 14:49:06,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-13 14:49:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:49:07,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-13 14:49:07,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:49:07,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:49:07,625 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:49:07,625 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:49:07,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [321992402] [2022-07-13 14:49:07,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [321992402] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:49:07,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:49:07,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 14:49:07,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812202211] [2022-07-13 14:49:07,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:49:07,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 14:49:07,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:49:07,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 14:49:07,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 14:49:07,626 INFO L87 Difference]: Start difference. First operand 240 states and 333 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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) [2022-07-13 14:49:07,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:49:07,633 INFO L93 Difference]: Finished difference Result 283 states and 388 transitions. [2022-07-13 14:49:07,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 14:49:07,633 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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 21 [2022-07-13 14:49:07,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:49:07,634 INFO L225 Difference]: With dead ends: 283 [2022-07-13 14:49:07,635 INFO L226 Difference]: Without dead ends: 240 [2022-07-13 14:49:07,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 14:49:07,636 INFO L413 NwaCegarLoop]: 327 mSDtfsCounter, 0 mSDsluCounter, 1280 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1607 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 28 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 14:49:07,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1607 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 28 Unchecked, 0.0s Time] [2022-07-13 14:49:07,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2022-07-13 14:49:07,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2022-07-13 14:49:07,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 224 states have (on average 1.3839285714285714) internal successors, (310), 224 states have internal predecessors, (310), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-13 14:49:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 332 transitions. [2022-07-13 14:49:07,642 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 332 transitions. Word has length 21 [2022-07-13 14:49:07,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:49:07,642 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 332 transitions. [2022-07-13 14:49:07,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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) [2022-07-13 14:49:07,643 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 332 transitions. [2022-07-13 14:49:07,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-13 14:49:07,643 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:49:07,644 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:49:07,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-13 14:49:07,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:49:07,863 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:49:07,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:49:07,864 INFO L85 PathProgramCache]: Analyzing trace with hash -154214555, now seen corresponding path program 1 times [2022-07-13 14:49:07,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:49:07,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1027325961] [2022-07-13 14:49:07,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:49:07,865 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:49:07,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:49:07,865 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 14:49:07,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-13 14:49:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:49:08,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-13 14:49:08,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:49:08,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:49:08,945 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:49:08,945 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:49:08,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1027325961] [2022-07-13 14:49:08,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1027325961] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:49:08,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:49:08,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 14:49:08,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024699857] [2022-07-13 14:49:08,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:49:08,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 14:49:08,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:49:08,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 14:49:08,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 14:49:08,947 INFO L87 Difference]: Start difference. First operand 240 states and 332 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2022-07-13 14:49:09,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:49:09,166 INFO L93 Difference]: Finished difference Result 287 states and 390 transitions. [2022-07-13 14:49:09,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 14:49:09,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 24 [2022-07-13 14:49:09,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:49:09,168 INFO L225 Difference]: With dead ends: 287 [2022-07-13 14:49:09,168 INFO L226 Difference]: Without dead ends: 248 [2022-07-13 14:49:09,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-13 14:49:09,169 INFO L413 NwaCegarLoop]: 333 mSDtfsCounter, 17 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 962 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 14:49:09,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 962 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 14:49:09,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-07-13 14:49:09,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 241. [2022-07-13 14:49:09,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 225 states have (on average 1.3777777777777778) internal successors, (310), 225 states have internal predecessors, (310), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-13 14:49:09,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 332 transitions. [2022-07-13 14:49:09,179 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 332 transitions. Word has length 24 [2022-07-13 14:49:09,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:49:09,180 INFO L495 AbstractCegarLoop]: Abstraction has 241 states and 332 transitions. [2022-07-13 14:49:09,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2022-07-13 14:49:09,180 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 332 transitions. [2022-07-13 14:49:09,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-13 14:49:09,185 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:49:09,185 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:49:09,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-13 14:49:09,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:49:09,408 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:49:09,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:49:09,408 INFO L85 PathProgramCache]: Analyzing trace with hash 977166461, now seen corresponding path program 1 times [2022-07-13 14:49:09,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:49:09,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1550900295] [2022-07-13 14:49:09,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:49:09,409 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:49:09,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:49:09,410 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 14:49:09,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-13 14:49:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:49:10,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 24 conjunts are in the unsatisfiable core [2022-07-13 14:49:10,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:49:11,165 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-07-13 14:49:11,245 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2022-07-13 14:49:11,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:49:11,897 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:49:11,897 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:49:11,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1550900295] [2022-07-13 14:49:11,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1550900295] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:49:11,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:49:11,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-13 14:49:11,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122459777] [2022-07-13 14:49:11,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:49:11,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-13 14:49:11,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:49:11,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-13 14:49:11,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-13 14:49:11,898 INFO L87 Difference]: Start difference. First operand 241 states and 332 transitions. Second operand has 11 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 14:49:16,437 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:20,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:23,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:26,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:28,649 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:30,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:32,959 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:34,962 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:36,966 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:38,973 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:41,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:43,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:45,000 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:47,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:49,200 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:51,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:53,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:55,592 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:57,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:49:59,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:02,622 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:04,632 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:06,636 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:08,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:13,000 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:16,906 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:19,150 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:21,151 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:23,154 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:24,461 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:25,619 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:28,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:50:28,300 INFO L93 Difference]: Finished difference Result 347 states and 474 transitions. [2022-07-13 14:50:28,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-13 14:50:28,313 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-07-13 14:50:28,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:50:28,315 INFO L225 Difference]: With dead ends: 347 [2022-07-13 14:50:28,315 INFO L226 Difference]: Without dead ends: 341 [2022-07-13 14:50:28,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2022-07-13 14:50:28,316 INFO L413 NwaCegarLoop]: 302 mSDtfsCounter, 268 mSDsluCounter, 2160 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 20 mSolverCounterUnsat, 25 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 73.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 2462 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 25 IncrementalHoareTripleChecker+Unknown, 182 IncrementalHoareTripleChecker+Unchecked, 75.4s IncrementalHoareTripleChecker+Time [2022-07-13 14:50:28,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 2462 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 360 Invalid, 25 Unknown, 182 Unchecked, 75.4s Time] [2022-07-13 14:50:28,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2022-07-13 14:50:28,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 293. [2022-07-13 14:50:28,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 269 states have (on average 1.3568773234200744) internal successors, (365), 272 states have internal predecessors, (365), 16 states have call successors, (16), 6 states have call predecessors, (16), 7 states have return successors, (18), 14 states have call predecessors, (18), 16 states have call successors, (18) [2022-07-13 14:50:28,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 399 transitions. [2022-07-13 14:50:28,327 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 399 transitions. Word has length 30 [2022-07-13 14:50:28,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:50:28,327 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 399 transitions. [2022-07-13 14:50:28,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 14:50:28,328 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 399 transitions. [2022-07-13 14:50:28,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-13 14:50:28,329 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:50:28,329 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:50:28,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-13 14:50:28,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:50:28,530 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:50:28,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:50:28,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1708438715, now seen corresponding path program 1 times [2022-07-13 14:50:28,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:50:28,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1072266651] [2022-07-13 14:50:28,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:50:28,531 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:50:28,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:50:28,532 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 14:50:28,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-13 14:50:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:50:29,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-13 14:50:29,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:50:30,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:50:30,017 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:50:30,017 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:50:30,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1072266651] [2022-07-13 14:50:30,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1072266651] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:50:30,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:50:30,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 14:50:30,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628954259] [2022-07-13 14:50:30,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:50:30,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 14:50:30,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:50:30,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 14:50:30,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 14:50:30,018 INFO L87 Difference]: Start difference. First operand 293 states and 399 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 14:50:30,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:50:30,025 INFO L93 Difference]: Finished difference Result 343 states and 463 transitions. [2022-07-13 14:50:30,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 14:50:30,025 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-07-13 14:50:30,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:50:30,026 INFO L225 Difference]: With dead ends: 343 [2022-07-13 14:50:30,026 INFO L226 Difference]: Without dead ends: 288 [2022-07-13 14:50:30,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 14:50:30,027 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 0 mSDsluCounter, 1242 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1557 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 19 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 14:50:30,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1557 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 19 Unchecked, 0.0s Time] [2022-07-13 14:50:30,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-07-13 14:50:30,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2022-07-13 14:50:30,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 264 states have (on average 1.3484848484848484) internal successors, (356), 267 states have internal predecessors, (356), 16 states have call successors, (16), 6 states have call predecessors, (16), 7 states have return successors, (18), 14 states have call predecessors, (18), 16 states have call successors, (18) [2022-07-13 14:50:30,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 390 transitions. [2022-07-13 14:50:30,043 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 390 transitions. Word has length 31 [2022-07-13 14:50:30,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:50:30,043 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 390 transitions. [2022-07-13 14:50:30,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 14:50:30,044 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 390 transitions. [2022-07-13 14:50:30,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-13 14:50:30,046 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:50:30,047 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:50:30,083 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-13 14:50:30,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:50:30,255 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:50:30,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:50:30,256 INFO L85 PathProgramCache]: Analyzing trace with hash 769706407, now seen corresponding path program 1 times [2022-07-13 14:50:30,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:50:30,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1930631975] [2022-07-13 14:50:30,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:50:30,257 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:50:30,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:50:30,257 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 14:50:30,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-13 14:50:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:50:31,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 24 conjunts are in the unsatisfiable core [2022-07-13 14:50:31,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:50:32,354 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-07-13 14:50:32,440 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2022-07-13 14:50:33,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:50:33,136 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:50:33,137 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:50:33,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1930631975] [2022-07-13 14:50:33,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1930631975] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:50:33,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:50:33,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-13 14:50:33,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865846643] [2022-07-13 14:50:33,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:50:33,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-13 14:50:33,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:50:33,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-13 14:50:33,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-13 14:50:33,138 INFO L87 Difference]: Start difference. First operand 288 states and 390 transitions. Second operand has 11 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 14:50:35,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:37,846 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:40,912 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:42,920 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:44,923 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:47,090 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:49,095 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:51,102 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:53,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:55,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:50:57,341 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:51:00,003 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:51:02,010 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:51:04,013 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:51:06,177 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:51:08,400 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:51:10,403 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:51:12,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:51:14,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:51:16,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:51:18,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:51:22,339 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:51:24,772 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:51:28,173 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:51:30,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:51:32,498 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:51:34,455 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:51:40,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:51:42,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:51:44,257 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:51:46,260 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-13 14:51:48,539 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:51:49,606 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 14:51:53,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:51:53,306 INFO L93 Difference]: Finished difference Result 465 states and 644 transitions. [2022-07-13 14:51:53,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 14:51:53,307 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-07-13 14:51:53,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:51:53,311 INFO L225 Difference]: With dead ends: 465 [2022-07-13 14:51:53,311 INFO L226 Difference]: Without dead ends: 459 [2022-07-13 14:51:53,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2022-07-13 14:51:53,312 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 454 mSDsluCounter, 2429 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 34 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 2721 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 231 IncrementalHoareTripleChecker+Unchecked, 79.2s IncrementalHoareTripleChecker+Time [2022-07-13 14:51:53,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 2721 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 497 Invalid, 26 Unknown, 231 Unchecked, 79.2s Time] [2022-07-13 14:51:53,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2022-07-13 14:51:53,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 288. [2022-07-13 14:51:53,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 264 states have (on average 1.3484848484848484) internal successors, (356), 267 states have internal predecessors, (356), 16 states have call successors, (16), 6 states have call predecessors, (16), 7 states have return successors, (18), 14 states have call predecessors, (18), 16 states have call successors, (18) [2022-07-13 14:51:53,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 390 transitions. [2022-07-13 14:51:53,335 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 390 transitions. Word has length 31 [2022-07-13 14:51:53,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:51:53,335 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 390 transitions. [2022-07-13 14:51:53,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 14:51:53,336 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 390 transitions. [2022-07-13 14:51:53,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-13 14:51:53,336 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:51:53,336 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:51:53,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-13 14:51:53,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:51:53,551 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:51:53,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:51:53,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1550816823, now seen corresponding path program 1 times [2022-07-13 14:51:53,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:51:53,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [338470777] [2022-07-13 14:51:53,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:51:53,552 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:51:53,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:51:53,553 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 14:51:53,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-13 14:51:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:51:55,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-13 14:51:55,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:51:55,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:51:55,390 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:51:55,390 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:51:55,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [338470777] [2022-07-13 14:51:55,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [338470777] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:51:55,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:51:55,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 14:51:55,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989557105] [2022-07-13 14:51:55,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:51:55,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 14:51:55,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:51:55,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 14:51:55,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-13 14:51:55,391 INFO L87 Difference]: Start difference. First operand 288 states and 390 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 14:51:55,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:51:55,393 INFO L93 Difference]: Finished difference Result 288 states and 390 transitions. [2022-07-13 14:51:55,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 14:51:55,394 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2022-07-13 14:51:55,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:51:55,394 INFO L225 Difference]: With dead ends: 288 [2022-07-13 14:51:55,394 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 14:51:55,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-13 14:51:55,395 INFO L413 NwaCegarLoop]: 3 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, 8 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 14:51:55,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time] [2022-07-13 14:51:55,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 14:51:55,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 14:51:55,396 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) [2022-07-13 14:51:55,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 14:51:55,396 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2022-07-13 14:51:55,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:51:55,396 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 14:51:55,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 14:51:55,397 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 14:51:55,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 14:51:55,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 14:51:55,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-13 14:51:55,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:51:55,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 14:51:56,064 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 544) no Hoare annotation was computed. [2022-07-13 14:51:56,064 INFO L899 garLoopResultBuilder]: For program point L541-2(lines 541 544) no Hoare annotation was computed. [2022-07-13 14:51:56,064 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 535 539) no Hoare annotation was computed. [2022-07-13 14:51:56,065 INFO L902 garLoopResultBuilder]: At program point L535-2(lines 535 539) the Hoare annotation is: true [2022-07-13 14:51:56,065 INFO L899 garLoopResultBuilder]: For program point L535-3(lines 535 539) no Hoare annotation was computed. [2022-07-13 14:51:56,065 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 560) no Hoare annotation was computed. [2022-07-13 14:51:56,065 INFO L902 garLoopResultBuilder]: At program point __kernel_cosfENTRY(lines 532 565) the Hoare annotation is: true [2022-07-13 14:51:56,065 INFO L899 garLoopResultBuilder]: For program point L542(lines 542 543) no Hoare annotation was computed. [2022-07-13 14:51:56,065 INFO L899 garLoopResultBuilder]: For program point __kernel_cosfFINAL(lines 532 565) no Hoare annotation was computed. [2022-07-13 14:51:56,065 INFO L899 garLoopResultBuilder]: For program point L555-1(lines 555 559) no Hoare annotation was computed. [2022-07-13 14:51:56,065 INFO L902 garLoopResultBuilder]: At program point L555-2(lines 555 559) the Hoare annotation is: true [2022-07-13 14:51:56,065 INFO L899 garLoopResultBuilder]: For program point L555-3(lines 552 560) no Hoare annotation was computed. [2022-07-13 14:51:56,065 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 564) no Hoare annotation was computed. [2022-07-13 14:51:56,065 INFO L899 garLoopResultBuilder]: For program point __kernel_cosfEXIT(lines 532 565) no Hoare annotation was computed. [2022-07-13 14:51:56,065 INFO L899 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 66 84) no Hoare annotation was computed. [2022-07-13 14:51:56,066 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 77) no Hoare annotation was computed. [2022-07-13 14:51:56,066 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 66 84) no Hoare annotation was computed. [2022-07-13 14:51:56,066 INFO L902 garLoopResultBuilder]: At program point copysign_floatENTRY(lines 66 84) the Hoare annotation is: true [2022-07-13 14:51:56,066 INFO L899 garLoopResultBuilder]: For program point L78(lines 78 82) no Hoare annotation was computed. [2022-07-13 14:51:56,066 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 66 84) no Hoare annotation was computed. [2022-07-13 14:51:56,066 INFO L899 garLoopResultBuilder]: For program point L78-2(lines 78 82) no Hoare annotation was computed. [2022-07-13 14:51:56,066 INFO L899 garLoopResultBuilder]: For program point copysign_floatFINAL(lines 66 84) no Hoare annotation was computed. [2022-07-13 14:51:56,066 INFO L899 garLoopResultBuilder]: For program point L68-1(lines 68 72) no Hoare annotation was computed. [2022-07-13 14:51:56,066 INFO L902 garLoopResultBuilder]: At program point L68-2(lines 68 72) the Hoare annotation is: true [2022-07-13 14:51:56,066 INFO L899 garLoopResultBuilder]: For program point L514-2(lines 514 517) no Hoare annotation was computed. [2022-07-13 14:51:56,066 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 508 512) no Hoare annotation was computed. [2022-07-13 14:51:56,066 INFO L902 garLoopResultBuilder]: At program point L508-2(lines 508 512) the Hoare annotation is: true [2022-07-13 14:51:56,067 INFO L899 garLoopResultBuilder]: For program point L508-3(lines 508 512) no Hoare annotation was computed. [2022-07-13 14:51:56,067 INFO L899 garLoopResultBuilder]: For program point __kernel_sinfEXIT(lines 505 525) no Hoare annotation was computed. [2022-07-13 14:51:56,067 INFO L899 garLoopResultBuilder]: For program point L521(lines 521 524) no Hoare annotation was computed. [2022-07-13 14:51:56,067 INFO L899 garLoopResultBuilder]: For program point L515(lines 515 516) no Hoare annotation was computed. [2022-07-13 14:51:56,067 INFO L902 garLoopResultBuilder]: At program point __kernel_sinfENTRY(lines 505 525) the Hoare annotation is: true [2022-07-13 14:51:56,067 INFO L899 garLoopResultBuilder]: For program point __kernel_sinfFINAL(lines 505 525) no Hoare annotation was computed. [2022-07-13 14:51:56,067 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 517) no Hoare annotation was computed. [2022-07-13 14:51:56,067 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2022-07-13 14:51:56,067 INFO L899 garLoopResultBuilder]: For program point L300(line 300) no Hoare annotation was computed. [2022-07-13 14:51:56,067 INFO L899 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2022-07-13 14:51:56,068 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 422) no Hoare annotation was computed. [2022-07-13 14:51:56,068 INFO L899 garLoopResultBuilder]: For program point L302-2(lines 302 303) no Hoare annotation was computed. [2022-07-13 14:51:56,068 INFO L895 garLoopResultBuilder]: At program point L302-3(lines 302 303) the Hoare annotation is: false [2022-07-13 14:51:56,068 INFO L899 garLoopResultBuilder]: For program point L302-4(lines 299 339) no Hoare annotation was computed. [2022-07-13 14:51:56,068 INFO L899 garLoopResultBuilder]: For program point L402(lines 402 409) no Hoare annotation was computed. [2022-07-13 14:51:56,068 INFO L899 garLoopResultBuilder]: For program point L402-2(lines 402 409) no Hoare annotation was computed. [2022-07-13 14:51:56,068 INFO L899 garLoopResultBuilder]: For program point L237(line 237) no Hoare annotation was computed. [2022-07-13 14:51:56,068 INFO L899 garLoopResultBuilder]: For program point L204(line 204) no Hoare annotation was computed. [2022-07-13 14:51:56,068 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 436 440) no Hoare annotation was computed. [2022-07-13 14:51:56,069 INFO L895 garLoopResultBuilder]: At program point L436-2(lines 436 440) the Hoare annotation is: false [2022-07-13 14:51:56,069 INFO L899 garLoopResultBuilder]: For program point L436-3(lines 436 440) no Hoare annotation was computed. [2022-07-13 14:51:56,069 INFO L899 garLoopResultBuilder]: For program point L304-1(line 304) no Hoare annotation was computed. [2022-07-13 14:51:56,069 INFO L899 garLoopResultBuilder]: For program point L271-1(lines 271 274) no Hoare annotation was computed. [2022-07-13 14:51:56,069 INFO L895 garLoopResultBuilder]: At program point L271-3(lines 271 274) the Hoare annotation is: false [2022-07-13 14:51:56,069 INFO L895 garLoopResultBuilder]: At program point L569(lines 569 599) the Hoare annotation is: (and (= |ULTIMATE.start_cos_float_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) (= (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_cos_float_#res#1|) (= currentRoundingMode roundNearestTiesToEven)) [2022-07-13 14:51:56,069 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 42) no Hoare annotation was computed. [2022-07-13 14:51:56,069 INFO L899 garLoopResultBuilder]: For program point L306(line 306) no Hoare annotation was computed. [2022-07-13 14:51:56,069 INFO L899 garLoopResultBuilder]: For program point L306-2(line 306) no Hoare annotation was computed. [2022-07-13 14:51:56,070 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 475) no Hoare annotation was computed. [2022-07-13 14:51:56,070 INFO L895 garLoopResultBuilder]: At program point L340(lines 170 341) the Hoare annotation is: false [2022-07-13 14:51:56,070 INFO L899 garLoopResultBuilder]: For program point L307(line 307) no Hoare annotation was computed. [2022-07-13 14:51:56,070 INFO L899 garLoopResultBuilder]: For program point L43(lines 43 47) no Hoare annotation was computed. [2022-07-13 14:51:56,070 INFO L899 garLoopResultBuilder]: For program point L209(lines 209 217) no Hoare annotation was computed. [2022-07-13 14:51:56,070 INFO L899 garLoopResultBuilder]: For program point L143-1(lines 143 147) no Hoare annotation was computed. [2022-07-13 14:51:56,070 INFO L895 garLoopResultBuilder]: At program point L143-2(lines 143 147) the Hoare annotation is: false [2022-07-13 14:51:56,070 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2022-07-13 14:51:56,070 INFO L899 garLoopResultBuilder]: For program point L44-2(lines 44 45) no Hoare annotation was computed. [2022-07-13 14:51:56,070 INFO L899 garLoopResultBuilder]: For program point L573-1(lines 573 577) no Hoare annotation was computed. [2022-07-13 14:51:56,071 INFO L895 garLoopResultBuilder]: At program point L573-2(lines 573 577) the Hoare annotation is: (and (= |ULTIMATE.start_cos_float_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven)) [2022-07-13 14:51:56,071 INFO L899 garLoopResultBuilder]: For program point L573-3(lines 573 577) no Hoare annotation was computed. [2022-07-13 14:51:56,071 INFO L895 garLoopResultBuilder]: At program point L276(line 276) the Hoare annotation is: false [2022-07-13 14:51:56,071 INFO L899 garLoopResultBuilder]: For program point L276-1(line 276) no Hoare annotation was computed. [2022-07-13 14:51:56,071 INFO L899 garLoopResultBuilder]: For program point L309-2(lines 309 310) no Hoare annotation was computed. [2022-07-13 14:51:56,071 INFO L895 garLoopResultBuilder]: At program point L309-3(lines 309 310) the Hoare annotation is: false [2022-07-13 14:51:56,071 INFO L899 garLoopResultBuilder]: For program point L309-4(lines 299 339) no Hoare annotation was computed. [2022-07-13 14:51:56,071 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 461) no Hoare annotation was computed. [2022-07-13 14:51:56,071 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 430 462) no Hoare annotation was computed. [2022-07-13 14:51:56,071 INFO L899 garLoopResultBuilder]: For program point L277(lines 277 284) no Hoare annotation was computed. [2022-07-13 14:51:56,072 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 245) no Hoare annotation was computed. [2022-07-13 14:51:56,072 INFO L895 garLoopResultBuilder]: At program point L277-2(lines 268 285) the Hoare annotation is: false [2022-07-13 14:51:56,072 INFO L899 garLoopResultBuilder]: For program point L311-1(line 311) no Hoare annotation was computed. [2022-07-13 14:51:56,072 INFO L895 garLoopResultBuilder]: At program point L245(line 245) the Hoare annotation is: false [2022-07-13 14:51:56,072 INFO L899 garLoopResultBuilder]: For program point L245-1(line 245) no Hoare annotation was computed. [2022-07-13 14:51:56,072 INFO L899 garLoopResultBuilder]: For program point L180(lines 180 181) no Hoare annotation was computed. [2022-07-13 14:51:56,072 INFO L899 garLoopResultBuilder]: For program point L180-2(lines 180 181) no Hoare annotation was computed. [2022-07-13 14:51:56,072 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 478 482) no Hoare annotation was computed. [2022-07-13 14:51:56,072 INFO L895 garLoopResultBuilder]: At program point L478-2(lines 478 482) the Hoare annotation is: false [2022-07-13 14:51:56,072 INFO L899 garLoopResultBuilder]: For program point L478-3(lines 478 482) no Hoare annotation was computed. [2022-07-13 14:51:56,073 INFO L899 garLoopResultBuilder]: For program point L313-2(lines 313 314) no Hoare annotation was computed. [2022-07-13 14:51:56,073 INFO L899 garLoopResultBuilder]: For program point L214(lines 214 217) no Hoare annotation was computed. [2022-07-13 14:51:56,073 INFO L895 garLoopResultBuilder]: At program point L313-3(lines 313 314) the Hoare annotation is: false [2022-07-13 14:51:56,073 INFO L899 garLoopResultBuilder]: For program point L313-4(lines 299 339) no Hoare annotation was computed. [2022-07-13 14:51:56,073 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 152) no Hoare annotation was computed. [2022-07-13 14:51:56,073 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 141 154) no Hoare annotation was computed. [2022-07-13 14:51:56,073 INFO L899 garLoopResultBuilder]: For program point L148-2(lines 148 152) no Hoare annotation was computed. [2022-07-13 14:51:56,073 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 420) no Hoare annotation was computed. [2022-07-13 14:51:56,073 INFO L899 garLoopResultBuilder]: For program point L413-2(lines 413 420) no Hoare annotation was computed. [2022-07-13 14:51:56,074 INFO L899 garLoopResultBuilder]: For program point L50(lines 50 53) no Hoare annotation was computed. [2022-07-13 14:51:56,074 INFO L899 garLoopResultBuilder]: For program point L612(lines 612 615) no Hoare annotation was computed. [2022-07-13 14:51:56,074 INFO L899 garLoopResultBuilder]: For program point L315-1(line 315) no Hoare annotation was computed. [2022-07-13 14:51:56,074 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 217) no Hoare annotation was computed. [2022-07-13 14:51:56,074 INFO L899 garLoopResultBuilder]: For program point L249-1(lines 171 341) no Hoare annotation was computed. [2022-07-13 14:51:56,074 INFO L899 garLoopResultBuilder]: For program point L216-2(lines 171 341) no Hoare annotation was computed. [2022-07-13 14:51:56,074 INFO L899 garLoopResultBuilder]: For program point L613(line 613) no Hoare annotation was computed. [2022-07-13 14:51:56,074 INFO L899 garLoopResultBuilder]: For program point L580(lines 580 598) no Hoare annotation was computed. [2022-07-13 14:51:56,074 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 448 452) no Hoare annotation was computed. [2022-07-13 14:51:56,074 INFO L895 garLoopResultBuilder]: At program point L448-2(lines 448 452) the Hoare annotation is: false [2022-07-13 14:51:56,075 INFO L899 garLoopResultBuilder]: For program point L448-3(lines 448 452) no Hoare annotation was computed. [2022-07-13 14:51:56,075 INFO L895 garLoopResultBuilder]: At program point L581(line 581) the Hoare annotation is: false [2022-07-13 14:51:56,075 INFO L899 garLoopResultBuilder]: For program point L581-1(line 581) no Hoare annotation was computed. [2022-07-13 14:51:56,075 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 14:51:56,075 INFO L899 garLoopResultBuilder]: For program point L317(line 317) no Hoare annotation was computed. [2022-07-13 14:51:56,075 INFO L899 garLoopResultBuilder]: For program point L251-2(lines 251 252) no Hoare annotation was computed. [2022-07-13 14:51:56,075 INFO L895 garLoopResultBuilder]: At program point L251-3(lines 251 252) the Hoare annotation is: false [2022-07-13 14:51:56,075 INFO L899 garLoopResultBuilder]: For program point L251-4(lines 249 266) no Hoare annotation was computed. [2022-07-13 14:51:56,075 INFO L899 garLoopResultBuilder]: For program point L483-2(lines 483 486) no Hoare annotation was computed. [2022-07-13 14:51:56,075 INFO L895 garLoopResultBuilder]: At program point L483-3(lines 483 486) the Hoare annotation is: false [2022-07-13 14:51:56,076 INFO L899 garLoopResultBuilder]: For program point L483-4(lines 483 486) no Hoare annotation was computed. [2022-07-13 14:51:56,076 INFO L899 garLoopResultBuilder]: For program point L318-2(lines 318 322) no Hoare annotation was computed. [2022-07-13 14:51:56,076 INFO L899 garLoopResultBuilder]: For program point L219(lines 171 341) no Hoare annotation was computed. [2022-07-13 14:51:56,076 INFO L895 garLoopResultBuilder]: At program point L318-3(lines 318 322) the Hoare annotation is: false [2022-07-13 14:51:56,076 INFO L899 garLoopResultBuilder]: For program point L318-4(lines 318 322) no Hoare annotation was computed. [2022-07-13 14:51:56,076 INFO L895 garLoopResultBuilder]: At program point L153(lines 141 154) the Hoare annotation is: false [2022-07-13 14:51:56,076 INFO L899 garLoopResultBuilder]: For program point L186-2(lines 186 187) no Hoare annotation was computed. [2022-07-13 14:51:56,076 INFO L895 garLoopResultBuilder]: At program point L186-3(lines 186 187) the Hoare annotation is: false [2022-07-13 14:51:56,076 INFO L899 garLoopResultBuilder]: For program point L186-4(lines 186 187) no Hoare annotation was computed. [2022-07-13 14:51:56,076 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 598) no Hoare annotation was computed. [2022-07-13 14:51:56,077 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-07-13 14:51:56,077 INFO L899 garLoopResultBuilder]: For program point L187-2(line 187) no Hoare annotation was computed. [2022-07-13 14:51:56,077 INFO L899 garLoopResultBuilder]: For program point L55(lines 55 59) no Hoare annotation was computed. [2022-07-13 14:51:56,077 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 20 61) no Hoare annotation was computed. [2022-07-13 14:51:56,077 INFO L899 garLoopResultBuilder]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2022-07-13 14:51:56,077 INFO L902 garLoopResultBuilder]: At program point L617(lines 601 618) the Hoare annotation is: true [2022-07-13 14:51:56,077 INFO L899 garLoopResultBuilder]: For program point L287(line 287) no Hoare annotation was computed. [2022-07-13 14:51:56,077 INFO L899 garLoopResultBuilder]: For program point L254-1(lines 254 255) no Hoare annotation was computed. [2022-07-13 14:51:56,077 INFO L899 garLoopResultBuilder]: For program point L254-3(lines 254 255) no Hoare annotation was computed. [2022-07-13 14:51:56,077 INFO L895 garLoopResultBuilder]: At program point L254-4(lines 254 255) the Hoare annotation is: false [2022-07-13 14:51:56,078 INFO L899 garLoopResultBuilder]: For program point L254-5(lines 254 255) no Hoare annotation was computed. [2022-07-13 14:51:56,078 INFO L899 garLoopResultBuilder]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2022-07-13 14:51:56,078 INFO L895 garLoopResultBuilder]: At program point L23-2(lines 23 27) the Hoare annotation is: false [2022-07-13 14:51:56,078 INFO L899 garLoopResultBuilder]: For program point L23-3(lines 23 27) no Hoare annotation was computed. [2022-07-13 14:51:56,078 INFO L899 garLoopResultBuilder]: For program point L288-2(lines 288 291) no Hoare annotation was computed. [2022-07-13 14:51:56,078 INFO L895 garLoopResultBuilder]: At program point L288-3(lines 288 291) the Hoare annotation is: false [2022-07-13 14:51:56,078 INFO L899 garLoopResultBuilder]: For program point L222-2(lines 222 231) no Hoare annotation was computed. [2022-07-13 14:51:56,078 INFO L899 garLoopResultBuilder]: For program point L288-4(lines 288 291) no Hoare annotation was computed. [2022-07-13 14:51:56,078 INFO L899 garLoopResultBuilder]: For program point L189-2(lines 189 193) no Hoare annotation was computed. [2022-07-13 14:51:56,078 INFO L895 garLoopResultBuilder]: At program point L222-3(lines 222 231) the Hoare annotation is: false [2022-07-13 14:51:56,079 INFO L895 garLoopResultBuilder]: At program point L189-3(lines 189 193) the Hoare annotation is: false [2022-07-13 14:51:56,079 INFO L899 garLoopResultBuilder]: For program point L222-4(lines 219 247) no Hoare annotation was computed. [2022-07-13 14:51:56,079 INFO L899 garLoopResultBuilder]: For program point L189-4(lines 189 193) no Hoare annotation was computed. [2022-07-13 14:51:56,079 INFO L899 garLoopResultBuilder]: For program point L454(lines 454 460) no Hoare annotation was computed. [2022-07-13 14:51:56,079 INFO L899 garLoopResultBuilder]: For program point L388-1(lines 388 392) no Hoare annotation was computed. [2022-07-13 14:51:56,079 INFO L895 garLoopResultBuilder]: At program point L388-2(lines 388 392) the Hoare annotation is: false [2022-07-13 14:51:56,079 INFO L899 garLoopResultBuilder]: For program point L388-3(lines 388 392) no Hoare annotation was computed. [2022-07-13 14:51:56,079 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 14:51:56,079 INFO L899 garLoopResultBuilder]: For program point L190-2(lines 190 191) no Hoare annotation was computed. [2022-07-13 14:51:56,080 INFO L895 garLoopResultBuilder]: At program point L190-3(lines 190 191) the Hoare annotation is: false [2022-07-13 14:51:56,080 INFO L899 garLoopResultBuilder]: For program point L190-4(lines 190 191) no Hoare annotation was computed. [2022-07-13 14:51:56,080 INFO L899 garLoopResultBuilder]: For program point L323-2(lines 323 327) no Hoare annotation was computed. [2022-07-13 14:51:56,080 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 230) no Hoare annotation was computed. [2022-07-13 14:51:56,080 INFO L895 garLoopResultBuilder]: At program point L323-3(lines 323 327) the Hoare annotation is: false [2022-07-13 14:51:56,080 INFO L899 garLoopResultBuilder]: For program point L257-2(lines 257 262) no Hoare annotation was computed. [2022-07-13 14:51:56,080 INFO L899 garLoopResultBuilder]: For program point L323-4(lines 323 327) no Hoare annotation was computed. [2022-07-13 14:51:56,080 INFO L895 garLoopResultBuilder]: At program point L257-3(lines 257 262) the Hoare annotation is: false [2022-07-13 14:51:56,080 INFO L899 garLoopResultBuilder]: For program point L257-4(lines 257 262) no Hoare annotation was computed. [2022-07-13 14:51:56,080 INFO L899 garLoopResultBuilder]: For program point L588(lines 588 597) no Hoare annotation was computed. [2022-07-13 14:51:56,081 INFO L899 garLoopResultBuilder]: For program point L489-1(lines 489 490) no Hoare annotation was computed. [2022-07-13 14:51:56,081 INFO L895 garLoopResultBuilder]: At program point L489-3(lines 489 490) the Hoare annotation is: false [2022-07-13 14:51:56,081 INFO L899 garLoopResultBuilder]: For program point L489-4(lines 489 490) no Hoare annotation was computed. [2022-07-13 14:51:56,081 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 228) no Hoare annotation was computed. [2022-07-13 14:51:56,081 INFO L895 garLoopResultBuilder]: At program point L60(lines 20 61) the Hoare annotation is: false [2022-07-13 14:51:56,081 INFO L899 garLoopResultBuilder]: For program point L589(line 589) no Hoare annotation was computed. [2022-07-13 14:51:56,081 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 470) no Hoare annotation was computed. [2022-07-13 14:51:56,081 INFO L899 garLoopResultBuilder]: For program point L259-2(lines 259 260) no Hoare annotation was computed. [2022-07-13 14:51:56,081 INFO L895 garLoopResultBuilder]: At program point L259-3(lines 259 260) the Hoare annotation is: false [2022-07-13 14:51:56,082 INFO L899 garLoopResultBuilder]: For program point L259-4(lines 259 260) no Hoare annotation was computed. [2022-07-13 14:51:56,082 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 14:51:56,082 INFO L895 garLoopResultBuilder]: At program point L590(line 590) the Hoare annotation is: false [2022-07-13 14:51:56,082 INFO L899 garLoopResultBuilder]: For program point L590-1(line 590) no Hoare annotation was computed. [2022-07-13 14:51:56,082 INFO L899 garLoopResultBuilder]: For program point L293-2(lines 293 297) no Hoare annotation was computed. [2022-07-13 14:51:56,082 INFO L895 garLoopResultBuilder]: At program point L293-3(lines 293 297) the Hoare annotation is: false [2022-07-13 14:51:56,082 INFO L899 garLoopResultBuilder]: For program point L293-4(lines 293 297) no Hoare annotation was computed. [2022-07-13 14:51:56,082 INFO L899 garLoopResultBuilder]: For program point L591(line 591) no Hoare annotation was computed. [2022-07-13 14:51:56,082 INFO L899 garLoopResultBuilder]: For program point L492(lines 492 496) no Hoare annotation was computed. [2022-07-13 14:51:56,082 INFO L899 garLoopResultBuilder]: For program point L294-2(lines 294 295) no Hoare annotation was computed. [2022-07-13 14:51:56,083 INFO L895 garLoopResultBuilder]: At program point L294-3(lines 294 295) the Hoare annotation is: false [2022-07-13 14:51:56,083 INFO L899 garLoopResultBuilder]: For program point L294-4(lines 294 295) no Hoare annotation was computed. [2022-07-13 14:51:56,083 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 54) no Hoare annotation was computed. [2022-07-13 14:51:56,083 INFO L895 garLoopResultBuilder]: At program point L592(line 592) the Hoare annotation is: false [2022-07-13 14:51:56,083 INFO L899 garLoopResultBuilder]: For program point L592-1(line 592) no Hoare annotation was computed. [2022-07-13 14:51:56,083 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 398) no Hoare annotation was computed. [2022-07-13 14:51:56,083 INFO L899 garLoopResultBuilder]: For program point L328-2(lines 328 329) no Hoare annotation was computed. [2022-07-13 14:51:56,083 INFO L895 garLoopResultBuilder]: At program point L328-3(lines 328 329) the Hoare annotation is: false [2022-07-13 14:51:56,083 INFO L899 garLoopResultBuilder]: For program point L328-4(lines 299 339) no Hoare annotation was computed. [2022-07-13 14:51:56,083 INFO L895 garLoopResultBuilder]: At program point L64(line 64) the Hoare annotation is: (and (= |ULTIMATE.start_cos_float_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) (= (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_cos_float_#res#1|) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res#1|)) [2022-07-13 14:51:56,084 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 48) no Hoare annotation was computed. [2022-07-13 14:51:56,084 INFO L899 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2022-07-13 14:51:56,084 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 38) no Hoare annotation was computed. [2022-07-13 14:51:56,084 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 14:51:56,084 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 613) no Hoare annotation was computed. [2022-07-13 14:51:56,084 INFO L895 garLoopResultBuilder]: At program point L594(line 594) the Hoare annotation is: false [2022-07-13 14:51:56,084 INFO L899 garLoopResultBuilder]: For program point L594-1(line 594) no Hoare annotation was computed. [2022-07-13 14:51:56,084 INFO L895 garLoopResultBuilder]: At program point L264(lines 171 341) the Hoare annotation is: false [2022-07-13 14:51:56,084 INFO L899 garLoopResultBuilder]: For program point L198-2(lines 198 202) no Hoare annotation was computed. [2022-07-13 14:51:56,085 INFO L895 garLoopResultBuilder]: At program point L198-3(lines 198 202) the Hoare annotation is: false [2022-07-13 14:51:56,085 INFO L895 garLoopResultBuilder]: At program point L198-4(lines 198 202) the Hoare annotation is: false [2022-07-13 14:51:56,085 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 37) no Hoare annotation was computed. [2022-07-13 14:51:56,085 INFO L899 garLoopResultBuilder]: For program point L595(line 595) no Hoare annotation was computed. [2022-07-13 14:51:56,085 INFO L899 garLoopResultBuilder]: For program point L430(line 430) no Hoare annotation was computed. [2022-07-13 14:51:56,085 INFO L899 garLoopResultBuilder]: For program point L430-2(lines 430 462) no Hoare annotation was computed. [2022-07-13 14:51:56,085 INFO L899 garLoopResultBuilder]: For program point L232-1(lines 219 247) no Hoare annotation was computed. [2022-07-13 14:51:56,085 INFO L895 garLoopResultBuilder]: At program point L596(line 596) the Hoare annotation is: false [2022-07-13 14:51:56,085 INFO L899 garLoopResultBuilder]: For program point L596-1(line 596) no Hoare annotation was computed. [2022-07-13 14:51:56,085 INFO L895 garLoopResultBuilder]: At program point L497(lines 382 498) the Hoare annotation is: false [2022-07-13 14:51:56,086 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 469) no Hoare annotation was computed. [2022-07-13 14:51:56,086 INFO L895 garLoopResultBuilder]: At program point L299(lines 299 339) the Hoare annotation is: false [2022-07-13 14:51:56,086 INFO L895 garLoopResultBuilder]: At program point L233(lines 233 240) the Hoare annotation is: false [2022-07-13 14:51:56,086 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 37) no Hoare annotation was computed. [2022-07-13 14:51:56,086 INFO L902 garLoopResultBuilder]: At program point L118(line 118) the Hoare annotation is: true [2022-07-13 14:51:56,086 INFO L899 garLoopResultBuilder]: For program point L118-1(line 118) no Hoare annotation was computed. [2022-07-13 14:51:56,086 INFO L902 garLoopResultBuilder]: At program point L131(line 131) the Hoare annotation is: true [2022-07-13 14:51:56,086 INFO L899 garLoopResultBuilder]: For program point L131-1(line 131) no Hoare annotation was computed. [2022-07-13 14:51:56,086 INFO L899 garLoopResultBuilder]: For program point L127(lines 127 132) no Hoare annotation was computed. [2022-07-13 14:51:56,086 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2022-07-13 14:51:56,087 INFO L902 garLoopResultBuilder]: At program point L94-2(lines 94 98) the Hoare annotation is: true [2022-07-13 14:51:56,087 INFO L899 garLoopResultBuilder]: For program point L94-3(lines 94 98) no Hoare annotation was computed. [2022-07-13 14:51:56,087 INFO L899 garLoopResultBuilder]: For program point L119(lines 119 126) no Hoare annotation was computed. [2022-07-13 14:51:56,087 INFO L899 garLoopResultBuilder]: For program point scalbn_floatFINAL(lines 90 140) no Hoare annotation was computed. [2022-07-13 14:51:56,087 INFO L899 garLoopResultBuilder]: For program point L107-1(lines 107 111) no Hoare annotation was computed. [2022-07-13 14:51:56,087 INFO L902 garLoopResultBuilder]: At program point L107-2(lines 107 111) the Hoare annotation is: true [2022-07-13 14:51:56,087 INFO L899 garLoopResultBuilder]: For program point L107-3(lines 107 111) no Hoare annotation was computed. [2022-07-13 14:51:56,087 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 104) no Hoare annotation was computed. [2022-07-13 14:51:56,087 INFO L899 garLoopResultBuilder]: For program point L128(lines 128 131) no Hoare annotation was computed. [2022-07-13 14:51:56,088 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2022-07-13 14:51:56,088 INFO L902 garLoopResultBuilder]: At program point L120-2(lines 120 124) the Hoare annotation is: true [2022-07-13 14:51:56,091 INFO L899 garLoopResultBuilder]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2022-07-13 14:51:56,091 INFO L899 garLoopResultBuilder]: For program point scalbn_floatEXIT(lines 90 140) no Hoare annotation was computed. [2022-07-13 14:51:56,091 INFO L902 garLoopResultBuilder]: At program point scalbn_floatENTRY(lines 90 140) the Hoare annotation is: true [2022-07-13 14:51:56,091 INFO L902 garLoopResultBuilder]: At program point L129(line 129) the Hoare annotation is: true [2022-07-13 14:51:56,091 INFO L899 garLoopResultBuilder]: For program point L129-1(line 129) no Hoare annotation was computed. [2022-07-13 14:51:56,091 INFO L899 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2022-07-13 14:51:56,091 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 114) no Hoare annotation was computed. [2022-07-13 14:51:56,092 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 115) no Hoare annotation was computed. [2022-07-13 14:51:56,092 INFO L899 garLoopResultBuilder]: For program point L105-2(lines 105 115) no Hoare annotation was computed. [2022-07-13 14:51:56,092 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 102) no Hoare annotation was computed. [2022-07-13 14:51:56,092 INFO L899 garLoopResultBuilder]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2022-07-13 14:51:56,092 INFO L902 garLoopResultBuilder]: At program point L134-2(lines 134 138) the Hoare annotation is: true [2022-07-13 14:51:56,092 INFO L899 garLoopResultBuilder]: For program point L134-3(lines 134 138) no Hoare annotation was computed. [2022-07-13 14:51:56,094 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:51:56,096 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 14:51:56,101 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,101 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,101 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,101 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,109 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,109 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,109 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,110 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,111 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,111 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,113 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,114 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,114 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,114 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,115 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,116 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,116 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,116 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 02:51:56 BoogieIcfgContainer [2022-07-13 14:51:56,117 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 14:51:56,118 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 14:51:56,118 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 14:51:56,118 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 14:51:56,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:48:09" (3/4) ... [2022-07-13 14:51:56,120 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 14:51:56,124 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_cosf [2022-07-13 14:51:56,124 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2022-07-13 14:51:56,124 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_sinf [2022-07-13 14:51:56,124 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2022-07-13 14:51:56,142 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 77 nodes and edges [2022-07-13 14:51:56,144 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-07-13 14:51:56,145 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 14:51:56,145 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 14:51:56,162 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-07-13 14:51:56,163 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result [2022-07-13 14:51:56,233 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 14:51:56,234 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 14:51:56,234 INFO L158 Benchmark]: Toolchain (without parser) took 263599.05ms. Allocated memory was 54.5MB in the beginning and 88.1MB in the end (delta: 33.6MB). Free memory was 31.9MB in the beginning and 37.6MB in the end (delta: -5.7MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2022-07-13 14:51:56,234 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory is still 36.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:51:56,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.17ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 31.7MB in the beginning and 44.4MB in the end (delta: -12.7MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2022-07-13 14:51:56,235 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.89ms. Allocated memory is still 69.2MB. Free memory was 44.1MB in the beginning and 37.2MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 14:51:56,236 INFO L158 Benchmark]: Boogie Preprocessor took 100.66ms. Allocated memory is still 69.2MB. Free memory was 37.2MB in the beginning and 45.5MB in the end (delta: -8.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2022-07-13 14:51:56,236 INFO L158 Benchmark]: RCFGBuilder took 36293.36ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 45.5MB in the beginning and 60.9MB in the end (delta: -15.4MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2022-07-13 14:51:56,237 INFO L158 Benchmark]: TraceAbstraction took 226547.33ms. Allocated memory is still 88.1MB. Free memory was 60.0MB in the beginning and 57.7MB in the end (delta: 2.2MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2022-07-13 14:51:56,237 INFO L158 Benchmark]: Witness Printer took 115.97ms. Allocated memory is still 88.1MB. Free memory was 57.7MB in the beginning and 37.6MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-13 14:51:56,242 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory is still 36.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.17ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 31.7MB in the beginning and 44.4MB in the end (delta: -12.7MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.89ms. Allocated memory is still 69.2MB. Free memory was 44.1MB in the beginning and 37.2MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.66ms. Allocated memory is still 69.2MB. Free memory was 37.2MB in the beginning and 45.5MB in the end (delta: -8.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * RCFGBuilder took 36293.36ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 45.5MB in the beginning and 60.9MB in the end (delta: -15.4MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * TraceAbstraction took 226547.33ms. Allocated memory is still 88.1MB. Free memory was 60.0MB in the beginning and 57.7MB in the end (delta: 2.2MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * Witness Printer took 115.97ms. Allocated memory is still 88.1MB. Free memory was 57.7MB in the beginning and 37.6MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - 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 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 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 * 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: 613]: 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 5 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 226.5s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 208.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 63 mSolverCounterUnknown, 1275 SdHoareTripleChecker+Valid, 206.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1257 mSDsluCounter, 12044 SdHoareTripleChecker+Invalid, 201.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 470 IncrementalHoareTripleChecker+Unchecked, 9518 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1190 IncrementalHoareTripleChecker+Invalid, 1798 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 2526 mSDtfsCounter, 1190 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=293occurred in iteration=6, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 400 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 193 PreInvPairs, 198 NumberOfFragments, 116 HoareAnnotationTreeSize, 193 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 9.0s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 202 ConstructedInterpolants, 39 QuantifiedInterpolants, 1207 SizeOfPredicates, 75 NumberOfNonLiveVariables, 3654 ConjunctsInSsa, 108 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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: 569]: Loop Invariant [2022-07-13 14:51:56,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,258 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 573]: Loop Invariant [2022-07-13 14:51:56,262 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,262 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant [2022-07-13 14:51:56,264 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,264 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,264 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,265 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,265 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,265 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,265 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-13 14:51:56,265 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-07-13 14:51:56,437 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