/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/float-newlib/float_req_bl_0686b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:02:50,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:02:50,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:02:50,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:02:50,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:02:50,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:02:50,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:02:50,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:02:50,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:02:50,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:02:50,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:02:50,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:02:50,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:02:50,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:02:50,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:02:50,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:02:50,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:02:50,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:02:50,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:02:50,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:02:50,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:02:50,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:02:50,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:02:50,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:02:50,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:02:50,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:02:50,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:02:50,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:02:50,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:02:50,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:02:50,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:02:50,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:02:50,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:02:50,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:02:50,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:02:50,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:02:50,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:02:50,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:02:50,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:02:50,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:02:50,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:02:50,217 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 12:02:50,277 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:02:50,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:02:50,278 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:02:50,278 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:02:50,279 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:02:50,279 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:02:50,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:02:50,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:02:50,284 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:02:50,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:02:50,285 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:02:50,286 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:02:50,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:02:50,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:02:50,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:02:50,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:02:50,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:02:50,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:02:50,287 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:02:50,287 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:02:50,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:02:50,288 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:02:50,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:02:50,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:02:50,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:02:50,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:02:50,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:02:50,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:02:50,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:02:50,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:02:50,290 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:02:50,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:02:50,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:02:50,291 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:02:50,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:02:50,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:02:50,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:02:50,753 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:02:50,753 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:02:50,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0686b.c [2022-10-16 12:02:50,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12d7ed250/e4e8ef857d204fa5ae6846547f635d8d/FLAGb0fc45e60 [2022-10-16 12:02:51,456 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:02:51,457 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0686b.c [2022-10-16 12:02:51,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12d7ed250/e4e8ef857d204fa5ae6846547f635d8d/FLAGb0fc45e60 [2022-10-16 12:02:51,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12d7ed250/e4e8ef857d204fa5ae6846547f635d8d [2022-10-16 12:02:51,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:02:51,781 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:02:51,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:02:51,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:02:51,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:02:51,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:02:51" (1/1) ... [2022-10-16 12:02:51,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b7dda0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:51, skipping insertion in model container [2022-10-16 12:02:51,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:02:51" (1/1) ... [2022-10-16 12:02:51,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:02:51,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:02:52,240 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_0686b.c[5269,5282] [2022-10-16 12:02:52,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:02:52,259 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:02:52,390 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_0686b.c[5269,5282] [2022-10-16 12:02:52,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:02:52,416 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:02:52,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:52 WrapperNode [2022-10-16 12:02:52,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:02:52,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:02:52,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:02:52,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:02:52,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:52" (1/1) ... [2022-10-16 12:02:52,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:52" (1/1) ... [2022-10-16 12:02:52,483 INFO L138 Inliner]: procedures = 19, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 254 [2022-10-16 12:02:52,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:02:52,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:02:52,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:02:52,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:02:52,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:52" (1/1) ... [2022-10-16 12:02:52,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:52" (1/1) ... [2022-10-16 12:02:52,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:52" (1/1) ... [2022-10-16 12:02:52,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:52" (1/1) ... [2022-10-16 12:02:52,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:52" (1/1) ... [2022-10-16 12:02:52,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:52" (1/1) ... [2022-10-16 12:02:52,532 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:52" (1/1) ... [2022-10-16 12:02:52,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:52" (1/1) ... [2022-10-16 12:02:52,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:02:52,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:02:52,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:02:52,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:02:52,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:52" (1/1) ... [2022-10-16 12:02:52,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:02:52,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:02:52,592 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) [2022-10-16 12:02:52,612 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 [2022-10-16 12:02:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:02:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:02:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:02:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-10-16 12:02:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:02:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-10-16 12:02:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-10-16 12:02:52,657 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-10-16 12:02:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:02:52,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:02:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:02:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-10-16 12:02:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2022-10-16 12:02:52,658 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2022-10-16 12:02:52,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:02:52,768 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:02:52,770 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:02:53,417 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:02:53,426 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:02:53,427 INFO L300 CfgBuilder]: Removed 14 assume(true) statements. [2022-10-16 12:02:53,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:02:53 BoogieIcfgContainer [2022-10-16 12:02:53,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:02:53,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:02:53,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:02:53,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:02:53,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:02:51" (1/3) ... [2022-10-16 12:02:53,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc9d462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:02:53, skipping insertion in model container [2022-10-16 12:02:53,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:52" (2/3) ... [2022-10-16 12:02:53,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc9d462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:02:53, skipping insertion in model container [2022-10-16 12:02:53,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:02:53" (3/3) ... [2022-10-16 12:02:53,443 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0686b.c [2022-10-16 12:02:53,469 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:02:53,469 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-16 12:02:53,538 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:02:53,548 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=FINITE_AUTOMATA, 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@66d26970, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:02:53,549 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-16 12:02:53,554 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 96 states have (on average 1.7395833333333333) internal successors, (167), 98 states have internal predecessors, (167), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-16 12:02:53,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 12:02:53,566 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:02:53,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:02:53,567 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-16 12:02:53,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:02:53,575 INFO L85 PathProgramCache]: Analyzing trace with hash -144666247, now seen corresponding path program 1 times [2022-10-16 12:02:53,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:02:53,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512564604] [2022-10-16 12:02:53,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:02:53,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:02:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:53,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:02:53,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:02:53,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512564604] [2022-10-16 12:02:53,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512564604] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:02:53,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:02:53,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:02:53,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433845947] [2022-10-16 12:02:53,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:02:53,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 12:02:53,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:02:53,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 12:02:53,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 12:02:53,869 INFO L87 Difference]: Start difference. First operand has 105 states, 96 states have (on average 1.7395833333333333) internal successors, (167), 98 states have internal predecessors, (167), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2022-10-16 12:02:53,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:02:53,915 INFO L93 Difference]: Finished difference Result 208 states and 352 transitions. [2022-10-16 12:02:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 12:02:53,918 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 14 [2022-10-16 12:02:53,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:02:53,928 INFO L225 Difference]: With dead ends: 208 [2022-10-16 12:02:53,928 INFO L226 Difference]: Without dead ends: 45 [2022-10-16 12:02:53,934 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 [2022-10-16 12:02:53,939 INFO L413 NwaCegarLoop]: 154 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, 154 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 [2022-10-16 12:02:53,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:02:53,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-10-16 12:02:53,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-10-16 12:02:53,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 43 states have (on average 1.302325581395349) internal successors, (56), 44 states have internal predecessors, (56), 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) [2022-10-16 12:02:53,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2022-10-16 12:02:53,986 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 56 transitions. Word has length 14 [2022-10-16 12:02:53,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:02:53,987 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 56 transitions. [2022-10-16 12:02:53,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2022-10-16 12:02:53,988 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2022-10-16 12:02:53,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 12:02:53,989 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:02:53,989 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:02:53,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:02:53,990 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-16 12:02:53,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:02:53,992 INFO L85 PathProgramCache]: Analyzing trace with hash -487127375, now seen corresponding path program 1 times [2022-10-16 12:02:53,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:02:53,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733454978] [2022-10-16 12:02:53,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:02:53,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:02:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:54,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:02:54,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:02:54,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733454978] [2022-10-16 12:02:54,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733454978] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:02:54,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:02:54,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:02:54,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74884526] [2022-10-16 12:02:54,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:02:54,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:02:54,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:02:54,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:02:54,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:02:54,266 INFO L87 Difference]: Start difference. First operand 45 states and 56 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-10-16 12:02:54,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:02:54,351 INFO L93 Difference]: Finished difference Result 83 states and 101 transitions. [2022-10-16 12:02:54,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:02:54,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 16 [2022-10-16 12:02:54,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:02:54,356 INFO L225 Difference]: With dead ends: 83 [2022-10-16 12:02:54,356 INFO L226 Difference]: Without dead ends: 65 [2022-10-16 12:02:54,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:02:54,360 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 28 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:02:54,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 98 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:02:54,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-10-16 12:02:54,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 55. [2022-10-16 12:02:54,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 54 states have internal predecessors, (71), 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) [2022-10-16 12:02:54,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 71 transitions. [2022-10-16 12:02:54,381 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 71 transitions. Word has length 16 [2022-10-16 12:02:54,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:02:54,383 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 71 transitions. [2022-10-16 12:02:54,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-10-16 12:02:54,385 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2022-10-16 12:02:54,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 12:02:54,386 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:02:54,387 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:02:54,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:02:54,387 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-16 12:02:54,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:02:54,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1631043390, now seen corresponding path program 1 times [2022-10-16 12:02:54,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:02:54,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004497361] [2022-10-16 12:02:54,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:02:54,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:02:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:54,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:02:54,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:02:54,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004497361] [2022-10-16 12:02:54,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004497361] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:02:54,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:02:54,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:02:54,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133001490] [2022-10-16 12:02:54,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:02:54,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:02:54,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:02:54,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:02:54,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:02:54,521 INFO L87 Difference]: Start difference. First operand 55 states and 71 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-10-16 12:02:54,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:02:54,547 INFO L93 Difference]: Finished difference Result 102 states and 132 transitions. [2022-10-16 12:02:54,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:02:54,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2022-10-16 12:02:54,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:02:54,549 INFO L225 Difference]: With dead ends: 102 [2022-10-16 12:02:54,549 INFO L226 Difference]: Without dead ends: 55 [2022-10-16 12:02:54,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:02:54,552 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 17 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:02:54,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 100 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:02:54,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-10-16 12:02:54,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-10-16 12:02:54,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 53 states have (on average 1.320754716981132) internal successors, (70), 54 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:02:54,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2022-10-16 12:02:54,560 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 19 [2022-10-16 12:02:54,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:02:54,561 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2022-10-16 12:02:54,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-10-16 12:02:54,561 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2022-10-16 12:02:54,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 12:02:54,563 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:02:54,563 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] [2022-10-16 12:02:54,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:02:54,564 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-16 12:02:54,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:02:54,564 INFO L85 PathProgramCache]: Analyzing trace with hash -2041954487, now seen corresponding path program 1 times [2022-10-16 12:02:54,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:02:54,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150802135] [2022-10-16 12:02:54,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:02:54,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:02:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:55,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:02:55,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:02:55,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150802135] [2022-10-16 12:02:55,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150802135] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:02:55,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:02:55,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:02:55,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774525213] [2022-10-16 12:02:55,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:02:55,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:02:55,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:02:55,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:02:55,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:02:55,200 INFO L87 Difference]: Start difference. First operand 55 states and 70 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2022-10-16 12:02:55,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:02:55,272 INFO L93 Difference]: Finished difference Result 162 states and 200 transitions. [2022-10-16 12:02:55,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:02:55,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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 22 [2022-10-16 12:02:55,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:02:55,275 INFO L225 Difference]: With dead ends: 162 [2022-10-16 12:02:55,275 INFO L226 Difference]: Without dead ends: 129 [2022-10-16 12:02:55,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:02:55,277 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 118 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:02:55,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 158 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:02:55,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-10-16 12:02:55,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 72. [2022-10-16 12:02:55,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 70 states have (on average 1.2857142857142858) internal successors, (90), 71 states have internal predecessors, (90), 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) [2022-10-16 12:02:55,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 90 transitions. [2022-10-16 12:02:55,288 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 90 transitions. Word has length 22 [2022-10-16 12:02:55,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:02:55,289 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 90 transitions. [2022-10-16 12:02:55,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2022-10-16 12:02:55,289 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 90 transitions. [2022-10-16 12:02:55,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 12:02:55,290 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:02:55,290 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] [2022-10-16 12:02:55,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:02:55,291 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-16 12:02:55,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:02:55,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1361896117, now seen corresponding path program 1 times [2022-10-16 12:02:55,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:02:55,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70707000] [2022-10-16 12:02:55,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:02:55,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:02:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 12:02:55,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-16 12:02:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 12:02:55,438 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-16 12:02:55,439 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-16 12:02:55,440 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-10-16 12:02:55,443 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-10-16 12:02:55,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 12:02:55,449 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-10-16 12:02:55,453 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 12:02:55,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:02:55 BoogieIcfgContainer [2022-10-16 12:02:55,533 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 12:02:55,534 INFO L158 Benchmark]: Toolchain (without parser) took 3757.93ms. Allocated memory was 164.6MB in the beginning and 211.8MB in the end (delta: 47.2MB). Free memory was 143.2MB in the beginning and 179.7MB in the end (delta: -36.5MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. [2022-10-16 12:02:55,535 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 164.6MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 12:02:55,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 630.78ms. Allocated memory is still 164.6MB. Free memory was 142.8MB in the beginning and 144.8MB in the end (delta: -2.0MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. [2022-10-16 12:02:55,536 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.47ms. Allocated memory is still 164.6MB. Free memory was 144.8MB in the beginning and 142.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 12:02:55,540 INFO L158 Benchmark]: Boogie Preprocessor took 59.22ms. Allocated memory is still 164.6MB. Free memory was 142.1MB in the beginning and 139.5MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-16 12:02:55,540 INFO L158 Benchmark]: RCFGBuilder took 886.56ms. Allocated memory is still 164.6MB. Free memory was 139.5MB in the beginning and 113.0MB in the end (delta: 26.5MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-10-16 12:02:55,541 INFO L158 Benchmark]: TraceAbstraction took 2099.23ms. Allocated memory was 164.6MB in the beginning and 211.8MB in the end (delta: 47.2MB). Free memory was 112.3MB in the beginning and 179.7MB in the end (delta: -67.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 12:02:55,547 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 164.6MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 630.78ms. Allocated memory is still 164.6MB. Free memory was 142.8MB in the beginning and 144.8MB in the end (delta: -2.0MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 65.47ms. Allocated memory is still 164.6MB. Free memory was 144.8MB in the beginning and 142.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 59.22ms. Allocated memory is still 164.6MB. Free memory was 142.1MB in the beginning and 139.5MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 886.56ms. Allocated memory is still 164.6MB. Free memory was 139.5MB in the beginning and 113.0MB in the end (delta: 26.5MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * TraceAbstraction took 2099.23ms. Allocated memory was 164.6MB in the beginning and 211.8MB in the end (delta: 47.2MB). Free memory was 112.3MB in the beginning and 179.7MB in the end (delta: -67.4MB). There was no memory consumed. Max. memory is 8.0GB. * 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: 186]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 224, overapproximation of bitwiseAnd at line 140. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L224] float x = 1.0f / 0.0f; [L225] float y = -1.0f / 0.0f; [L227] CALL __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483646, ix=-2147483647, ix = hx & 0x7fffffff=2147483646, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483646, hy=-1, ix=-2147483647, ix = hx & 0x7fffffff=2147483646, iy=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L136] COND FALSE !(((ix) > 0x7f800000L) || ((iy) > 0x7f800000L)) VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483646, hy=-1, ix=-2147483647, ix = hx & 0x7fffffff=2147483646, iy=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L138] COND FALSE !(hx == 0x3f800000) VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483646, hy=-1, ix=-2147483647, ix = hx & 0x7fffffff=2147483646, iy=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L140] m = ((hy >> 31) & 1) | ((hx >> 30) & 2) VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483646, hy=-1, ix=-2147483647, ix = hx & 0x7fffffff=2147483646, iy=1, m=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L142] COND FALSE !(((iy) == 0)) VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483646, hy=-1, ix=-2147483647, ix = hx & 0x7fffffff=2147483646, iy=1, m=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L154] COND FALSE !(((ix) == 0)) VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483646, hy=-1, ix=-2147483647, ix = hx & 0x7fffffff=2147483646, iy=1, m=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L157] COND FALSE !(((ix) == 0x7f800000L)) VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483646, hy=-1, ix=-2147483647, ix = hx & 0x7fffffff=2147483646, iy=1, m=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L183] COND FALSE !(((iy) == 0x7f800000L)) VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483646, hy=-1, ix=-2147483647, ix = hx & 0x7fffffff=2147483646, iy=1, m=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] [L186] iy - ix VAL [\old(x)=1000000000000000000000000000002, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483646, hy=-1, ix=-2147483647, ix = hx & 0x7fffffff=2147483646, iy=1, m=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000002, y=1000000000000000000000000000001, zero_atan2=0] - UnprovableResult [Line: 186]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 105 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 163 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 163 mSDsluCounter, 510 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 168 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 77 IncrementalHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 342 mSDtfsCounter, 77 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 67 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 212 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 [2022-10-16 12:02:55,595 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...