/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1271a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 16:53:23,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 16:53:23,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 16:53:23,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 16:53:23,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 16:53:23,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 16:53:23,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 16:53:23,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 16:53:23,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 16:53:23,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 16:53:23,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 16:53:23,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 16:53:23,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 16:53:23,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 16:53:23,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 16:53:23,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 16:53:23,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 16:53:23,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 16:53:23,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 16:53:23,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 16:53:23,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 16:53:23,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 16:53:23,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 16:53:23,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 16:53:23,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-31 16:53:23,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 16:53:23,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 16:53:23,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 16:53:23,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 16:53:23,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 16:53:23,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 16:53:23,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 16:53:23,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 16:53:23,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 16:53:23,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 16:53:23,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 16:53:23,607 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-01-31 16:53:23,621 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 16:53:23,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 16:53:23,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 16:53:23,622 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 16:53:23,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 16:53:23,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 16:53:23,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 16:53:23,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 16:53:23,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 16:53:23,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 16:53:23,623 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 16:53:23,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 16:53:23,623 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 16:53:23,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 16:53:23,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 16:53:23,623 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 16:53:23,623 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 16:53:23,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 16:53:23,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:53:23,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 16:53:23,624 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 16:53:23,624 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-31 16:53:23,625 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 16:53:23,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 16:53:23,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 16:53:23,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 16:53:23,797 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 16:53:23,799 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 16:53:23,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1271a.c [2022-01-31 16:53:23,855 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aaa47993/c1a473e654ea4b6588a530f702aa7602/FLAG1d82cbc9c [2022-01-31 16:53:24,223 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 16:53:24,223 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1271a.c [2022-01-31 16:53:24,228 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aaa47993/c1a473e654ea4b6588a530f702aa7602/FLAG1d82cbc9c [2022-01-31 16:53:24,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aaa47993/c1a473e654ea4b6588a530f702aa7602 [2022-01-31 16:53:24,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 16:53:24,238 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-31 16:53:24,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 16:53:24,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 16:53:24,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 16:53:24,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:53:24" (1/1) ... [2022-01-31 16:53:24,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41279de8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:53:24, skipping insertion in model container [2022-01-31 16:53:24,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:53:24" (1/1) ... [2022-01-31 16:53:24,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 16:53:24,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 16:53:24,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1271a.c[4883,4896] [2022-01-31 16:53:24,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:53:24,409 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 16:53:24,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1271a.c[4883,4896] [2022-01-31 16:53:24,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:53:24,461 INFO L208 MainTranslator]: Completed translation [2022-01-31 16:53:24,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:53:24 WrapperNode [2022-01-31 16:53:24,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 16:53:24,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 16:53:24,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 16:53:24,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 16:53:24,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:53:24" (1/1) ... [2022-01-31 16:53:24,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:53:24" (1/1) ... [2022-01-31 16:53:24,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:53:24" (1/1) ... [2022-01-31 16:53:24,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:53:24" (1/1) ... [2022-01-31 16:53:24,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:53:24" (1/1) ... [2022-01-31 16:53:24,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:53:24" (1/1) ... [2022-01-31 16:53:24,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:53:24" (1/1) ... [2022-01-31 16:53:24,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 16:53:24,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 16:53:24,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 16:53:24,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 16:53:24,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:53:24" (1/1) ... [2022-01-31 16:53:24,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:53:24,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:53:24,536 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) [2022-01-31 16:53:24,537 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 [2022-01-31 16:53:24,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 16:53:24,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 16:53:24,582 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 16:53:24,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2022-01-31 16:53:24,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2022-01-31 16:53:24,583 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2022-01-31 16:53:24,583 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2022-01-31 16:53:24,583 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 16:53:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 16:53:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 16:53:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 16:53:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 16:53:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2022-01-31 16:53:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2022-01-31 16:53:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 16:53:24,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 16:53:24,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 16:53:24,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 16:53:24,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 16:53:24,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 16:53:24,584 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2022-01-31 16:53:24,584 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2022-01-31 16:53:24,584 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2022-01-31 16:53:24,584 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 16:53:24,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 16:53:24,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 16:53:24,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 16:53:24,647 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 16:53:24,648 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 16:53:24,919 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 16:53:24,924 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 16:53:24,924 INFO L299 CfgBuilder]: Removed 34 assume(true) statements. [2022-01-31 16:53:24,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:53:24 BoogieIcfgContainer [2022-01-31 16:53:24,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 16:53:24,926 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-31 16:53:24,926 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-31 16:53:24,927 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-31 16:53:24,933 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:53:24" (1/1) ... [2022-01-31 16:53:24,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:53:24 BasicIcfg [2022-01-31 16:53:24,994 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-31 16:53:24,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 16:53:24,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 16:53:24,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 16:53:24,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:53:24" (1/4) ... [2022-01-31 16:53:24,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64328f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:53:24, skipping insertion in model container [2022-01-31 16:53:24,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:53:24" (2/4) ... [2022-01-31 16:53:24,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64328f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:53:24, skipping insertion in model container [2022-01-31 16:53:24,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:53:24" (3/4) ... [2022-01-31 16:53:24,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64328f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:53:24, skipping insertion in model container [2022-01-31 16:53:24,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:53:24" (4/4) ... [2022-01-31 16:53:24,999 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271a.cJordan [2022-01-31 16:53:25,003 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-01-31 16:53:25,003 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 16:53:25,042 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 16:53:25,050 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-31 16:53:25,050 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 16:53:25,067 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 94 states have (on average 1.627659574468085) internal successors, (153), 95 states have internal predecessors, (153), 7 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-01-31 16:53:25,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-01-31 16:53:25,074 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:53:25,074 INFO L514 BasicCegarLoop]: 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, 1] [2022-01-31 16:53:25,075 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:53:25,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:53:25,094 INFO L85 PathProgramCache]: Analyzing trace with hash 453492738, now seen corresponding path program 1 times [2022-01-31 16:53:25,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:53:25,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213259595] [2022-01-31 16:53:25,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:53:25,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:53:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:53:25,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:53:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:53:25,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:53:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:53:25,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-01-31 16:53:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:53:25,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-01-31 16:53:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:53:25,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:53:25,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:53:25,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213259595] [2022-01-31 16:53:25,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213259595] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:53:25,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:53:25,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 16:53:25,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66130900] [2022-01-31 16:53:25,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:53:25,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:53:25,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:53:25,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:53:25,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 16:53:25,331 INFO L87 Difference]: Start difference. First operand has 109 states, 94 states have (on average 1.627659574468085) internal successors, (153), 95 states have internal predecessors, (153), 7 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-31 16:53:25,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:53:25,606 INFO L93 Difference]: Finished difference Result 109 states and 132 transitions. [2022-01-31 16:53:25,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:53:25,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 34 [2022-01-31 16:53:25,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:53:25,613 INFO L225 Difference]: With dead ends: 109 [2022-01-31 16:53:25,613 INFO L226 Difference]: Without dead ends: 104 [2022-01-31 16:53:25,614 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-31 16:53:25,617 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 119 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-31 16:53:25,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 125 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-31 16:53:25,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-01-31 16:53:25,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2022-01-31 16:53:25,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 91 states have (on average 1.2417582417582418) internal successors, (113), 91 states have internal predecessors, (113), 7 states have call successors, (7), 6 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-01-31 16:53:25,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 126 transitions. [2022-01-31 16:53:25,660 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 126 transitions. Word has length 34 [2022-01-31 16:53:25,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:53:25,660 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 126 transitions. [2022-01-31 16:53:25,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-01-31 16:53:25,661 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 126 transitions. [2022-01-31 16:53:25,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-31 16:53:25,662 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:53:25,662 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1] [2022-01-31 16:53:25,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 16:53:25,662 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:53:25,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:53:25,663 INFO L85 PathProgramCache]: Analyzing trace with hash -952163639, now seen corresponding path program 1 times [2022-01-31 16:53:25,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:53:25,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033087914] [2022-01-31 16:53:25,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:53:25,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:53:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:53:25,752 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 16:53:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:53:25,797 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-31 16:53:25,797 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 16:53:25,798 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 16:53:25,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 16:53:25,802 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 16:53:25,803 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 16:53:25,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:53:25 BasicIcfg [2022-01-31 16:53:25,830 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 16:53:25,831 INFO L158 Benchmark]: Toolchain (without parser) took 1592.88ms. Allocated memory is still 219.2MB. Free memory was 171.0MB in the beginning and 114.1MB in the end (delta: 56.9MB). Peak memory consumption was 57.1MB. Max. memory is 8.0GB. [2022-01-31 16:53:25,831 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 219.2MB. Free memory is still 187.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 16:53:25,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.61ms. Allocated memory is still 219.2MB. Free memory was 170.7MB in the beginning and 193.8MB in the end (delta: -23.1MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. [2022-01-31 16:53:25,832 INFO L158 Benchmark]: Boogie Preprocessor took 38.74ms. Allocated memory is still 219.2MB. Free memory was 193.8MB in the beginning and 191.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-31 16:53:25,832 INFO L158 Benchmark]: RCFGBuilder took 424.34ms. Allocated memory is still 219.2MB. Free memory was 191.2MB in the beginning and 168.7MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-01-31 16:53:25,832 INFO L158 Benchmark]: IcfgTransformer took 68.25ms. Allocated memory is still 219.2MB. Free memory was 168.7MB in the beginning and 165.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-31 16:53:25,832 INFO L158 Benchmark]: TraceAbstraction took 834.98ms. Allocated memory is still 219.2MB. Free memory was 165.5MB in the beginning and 114.1MB in the end (delta: 51.4MB). Peak memory consumption was 51.4MB. Max. memory is 8.0GB. [2022-01-31 16:53:25,834 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 219.2MB. Free memory is still 187.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 222.61ms. Allocated memory is still 219.2MB. Free memory was 170.7MB in the beginning and 193.8MB in the end (delta: -23.1MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.74ms. Allocated memory is still 219.2MB. Free memory was 193.8MB in the beginning and 191.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 424.34ms. Allocated memory is still 219.2MB. Free memory was 191.2MB in the beginning and 168.7MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * IcfgTransformer took 68.25ms. Allocated memory is still 219.2MB. Free memory was 168.7MB in the beginning and 165.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 834.98ms. Allocated memory is still 219.2MB. Free memory was 165.5MB in the beginning and 114.1MB in the end (delta: 51.4MB). Peak memory consumption was 51.4MB. 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: 241]: 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 213, overapproximation of someBinaryArithmeticFLOAToperation at line 120, overapproximation of bitwiseAnd at line 98. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=8589934599, \old(tiny_sqrt)=8589934598, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L234] float x = 0.0f / 0.0f; [L235] float y = __VERIFIER_nondet_float(); [L237] CALL isfinite_float(y) VAL [\old(x)=8589934594, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L217] __int32_t ix; VAL [\old(x)=8589934594, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934594] [L219] ieee_float_shape_type gf_u; [L220] gf_u.value = (x) [L221] EXPR gf_u.word [L221] (ix) = gf_u.word [L223] ix &= 0x7fffffff [L224] return (((ix) < 0x7f800000L)); VAL [\old(x)=8589934594, \result=1, ix=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934594] [L237] RET isfinite_float(y) VAL [isfinite_float(y)=1, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, y=8589934594] [L237] COND TRUE isfinite_float(y) [L238] CALL, EXPR __ieee754_hypotf(x, y) VAL [\old(x)=8589934593, \old(y)=8589934594, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L84] float a = x, b = y, t1, t2, y1, y2, w; [L85] __int32_t j, k, ha, hb; VAL [\old(x)=8589934593, \old(y)=8589934594, a=8589934593, b=8589934594, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934593, y=8589934594] [L88] ieee_float_shape_type gf_u; [L89] gf_u.value = (x) [L90] EXPR gf_u.word [L90] (ha) = gf_u.word [L92] ha &= 0x7fffffffL VAL [\old(x)=8589934593, \old(y)=8589934594, a=8589934593, b=8589934594, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934593, y=8589934594] [L94] ieee_float_shape_type gf_u; [L95] gf_u.value = (y) [L96] EXPR gf_u.word [L96] (hb) = gf_u.word [L98] hb &= 0x7fffffffL VAL [\old(x)=8589934593, \old(y)=8589934594, a=8589934593, b=8589934594, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934593, y=8589934594] [L99] COND TRUE hb > ha [L100] a = y [L101] b = x [L102] j = ha [L103] ha = hb [L104] hb = j VAL [\old(x)=8589934593, \old(y)=8589934594, a=8589934594, b=8589934593, ha=251658241, hb=0, j=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934593, y=8589934594] [L110] ieee_float_shape_type sf_u; [L111] sf_u.word = (ha) [L112] EXPR sf_u.value [L112] (a) = sf_u.value [L115] ieee_float_shape_type sf_u; [L116] sf_u.word = (hb) [L117] EXPR sf_u.value [L117] (b) = sf_u.value [L119] COND TRUE (ha - hb) > 0xf000000L [L120] return a + b; VAL [\old(x)=8589934593, \old(y)=8589934594, a=8589934595, b=8589934592, ha=251658241, hb=0, j=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934593, y=8589934594] [L238] RET, EXPR __ieee754_hypotf(x, y) VAL [__ieee754_hypotf(x, y)=8589934597, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934593, y=8589934594] [L238] float res = __ieee754_hypotf(x, y); [L240] CALL, EXPR isnan_float(res) VAL [\old(x)=8589934597, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L213] return x != x; VAL [\old(x)=8589934597, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934597] [L240] RET, EXPR isnan_float(res) VAL [isnan_float(res)=0, one_sqrt=1, res=8589934597, tiny_sqrt=1/1000000000000000000000000000000, x=8589934593, y=8589934594] [L240] COND TRUE !isnan_float(res) [L241] reach_error() VAL [one_sqrt=1, res=8589934597, tiny_sqrt=1/1000000000000000000000000000000, x=8589934593, y=8589934594] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 109 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 123 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 125 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 129 IncrementalHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 123 mSDtfsCounter, 129 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 69 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 [2022-01-31 16:53:25,859 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...