/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/double_req_bl_1051.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 16:50:53,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 16:50:53,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 16:50:53,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 16:50:53,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 16:50:53,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 16:50:53,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 16:50:53,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 16:50:53,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 16:50:53,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 16:50:53,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 16:50:53,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 16:50:53,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 16:50:53,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 16:50:53,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 16:50:53,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 16:50:53,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 16:50:53,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 16:50:53,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 16:50:53,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 16:50:53,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 16:50:53,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 16:50:53,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 16:50:53,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 16:50:53,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 16:50:53,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 16:50:53,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 16:50:53,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 16:50:53,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 16:50:53,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 16:50:53,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 16:50:53,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 16:50:53,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 16:50:53,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 16:50:53,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 16:50:53,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 16:50:53,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 16:50:53,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 16:50:53,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 16:50:53,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 16:50:53,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 16:50:53,593 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-01-31 16:50:53,606 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 16:50:53,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 16:50:53,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 16:50:53,608 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 16:50:53,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 16:50:53,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 16:50:53,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 16:50:53,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 16:50:53,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 16:50:53,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 16:50:53,609 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 16:50:53,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 16:50:53,610 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 16:50:53,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 16:50:53,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 16:50:53,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 16:50:53,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 16:50:53,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 16:50:53,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:50:53,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 16:50:53,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 16:50:53,611 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-31 16:50:53,611 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 16:50:53,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 16:50:53,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 16:50:53,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 16:50:53,883 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 16:50:53,884 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 16:50:53,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1051.c [2022-01-31 16:50:53,939 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80143c5f2/1d2be85c7ab64233aa31aa39aa882411/FLAG58863e6f2 [2022-01-31 16:50:54,366 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 16:50:54,367 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1051.c [2022-01-31 16:50:54,384 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80143c5f2/1d2be85c7ab64233aa31aa39aa882411/FLAG58863e6f2 [2022-01-31 16:50:54,400 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80143c5f2/1d2be85c7ab64233aa31aa39aa882411 [2022-01-31 16:50:54,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 16:50:54,405 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-31 16:50:54,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 16:50:54,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 16:50:54,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 16:50:54,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:50:54" (1/1) ... [2022-01-31 16:50:54,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4756180a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:50:54, skipping insertion in model container [2022-01-31 16:50:54,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:50:54" (1/1) ... [2022-01-31 16:50:54,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 16:50:54,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 16:50:54,610 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/double_req_bl_1051.c[2106,2119] [2022-01-31 16:50:54,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:50:54,618 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 16:50:54,641 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/double_req_bl_1051.c[2106,2119] [2022-01-31 16:50:54,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:50:54,652 INFO L208 MainTranslator]: Completed translation [2022-01-31 16:50:54,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:50:54 WrapperNode [2022-01-31 16:50:54,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 16:50:54,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 16:50:54,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 16:50:54,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 16:50:54,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:50:54" (1/1) ... [2022-01-31 16:50:54,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:50:54" (1/1) ... [2022-01-31 16:50:54,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:50:54" (1/1) ... [2022-01-31 16:50:54,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:50:54" (1/1) ... [2022-01-31 16:50:54,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:50:54" (1/1) ... [2022-01-31 16:50:54,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:50:54" (1/1) ... [2022-01-31 16:50:54,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:50:54" (1/1) ... [2022-01-31 16:50:54,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 16:50:54,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 16:50:54,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 16:50:54,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 16:50:54,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:50:54" (1/1) ... [2022-01-31 16:50:54,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:50:54,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:50:54,721 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 16:50:54,728 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 16:50:54,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 16:50:54,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 16:50:54,753 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 16:50:54,753 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2022-01-31 16:50:54,754 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2022-01-31 16:50:54,754 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 16:50:54,754 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 16:50:54,754 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 16:50:54,754 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 16:50:54,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 16:50:54,754 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2022-01-31 16:50:54,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 16:50:54,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 16:50:54,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 16:50:54,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 16:50:54,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 16:50:54,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 16:50:54,755 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2022-01-31 16:50:54,755 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 16:50:54,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 16:50:54,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 16:50:54,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 16:50:54,814 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 16:50:54,817 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 16:50:54,980 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 16:50:54,986 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 16:50:54,986 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-01-31 16:50:54,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:50:54 BoogieIcfgContainer [2022-01-31 16:50:54,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 16:50:54,989 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-31 16:50:54,989 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-31 16:50:54,990 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-31 16:50:54,993 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:50:54" (1/1) ... [2022-01-31 16:50:55,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:50:55 BasicIcfg [2022-01-31 16:50:55,048 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-31 16:50:55,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 16:50:55,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 16:50:55,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 16:50:55,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:50:54" (1/4) ... [2022-01-31 16:50:55,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc2665e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:50:55, skipping insertion in model container [2022-01-31 16:50:55,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:50:54" (2/4) ... [2022-01-31 16:50:55,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc2665e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:50:55, skipping insertion in model container [2022-01-31 16:50:55,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:50:54" (3/4) ... [2022-01-31 16:50:55,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc2665e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:50:55, skipping insertion in model container [2022-01-31 16:50:55,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:50:55" (4/4) ... [2022-01-31 16:50:55,055 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1051.cJordan [2022-01-31 16:50:55,061 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-01-31 16:50:55,061 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 16:50:55,100 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 16:50:55,106 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 16:50:55,106 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 16:50:55,117 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 37 states have (on average 1.5675675675675675) internal successors, (58), 38 states have internal predecessors, (58), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-01-31 16:50:55,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-31 16:50:55,125 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:50:55,125 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] [2022-01-31 16:50:55,126 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:50:55,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:50:55,130 INFO L85 PathProgramCache]: Analyzing trace with hash -2118304177, now seen corresponding path program 1 times [2022-01-31 16:50:55,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:50:55,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185972190] [2022-01-31 16:50:55,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:50:55,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:50:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:50:55,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:50:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:50:55,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:50:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:50:55,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-01-31 16:50:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:50:55,383 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 16:50:55,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:50:55,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185972190] [2022-01-31 16:50:55,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185972190] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:50:55,384 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:50:55,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 16:50:55,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378323265] [2022-01-31 16:50:55,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:50:55,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 16:50:55,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:50:55,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 16:50:55,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 16:50:55,424 INFO L87 Difference]: Start difference. First operand has 47 states, 37 states have (on average 1.5675675675675675) internal successors, (58), 38 states have internal predecessors, (58), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-31 16:50:55,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:50:55,591 INFO L93 Difference]: Finished difference Result 47 states and 61 transitions. [2022-01-31 16:50:55,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 16:50:55,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-01-31 16:50:55,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:50:55,604 INFO L225 Difference]: With dead ends: 47 [2022-01-31 16:50:55,605 INFO L226 Difference]: Without dead ends: 43 [2022-01-31 16:50:55,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 16:50:55,611 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 54 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 16:50:55,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 59 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 16:50:55,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-01-31 16:50:55,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-01-31 16:50:55,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 35 states have internal predecessors, (50), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-31 16:50:55,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 57 transitions. [2022-01-31 16:50:55,652 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 57 transitions. Word has length 23 [2022-01-31 16:50:55,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:50:55,654 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 57 transitions. [2022-01-31 16:50:55,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-31 16:50:55,654 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2022-01-31 16:50:55,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-01-31 16:50:55,656 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:50:55,656 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] [2022-01-31 16:50:55,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 16:50:55,657 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:50:55,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:50:55,659 INFO L85 PathProgramCache]: Analyzing trace with hash 191010848, now seen corresponding path program 1 times [2022-01-31 16:50:55,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:50:55,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718757467] [2022-01-31 16:50:55,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:50:55,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:50:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:50:55,725 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 16:50:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:50:55,775 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-31 16:50:55,775 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 16:50:55,777 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 16:50:55,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 16:50:55,781 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 16:50:55,783 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 16:50:55,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:50:55 BasicIcfg [2022-01-31 16:50:55,819 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 16:50:55,820 INFO L158 Benchmark]: Toolchain (without parser) took 1413.99ms. Allocated memory was 191.9MB in the beginning and 287.3MB in the end (delta: 95.4MB). Free memory was 136.9MB in the beginning and 203.6MB in the end (delta: -66.7MB). Peak memory consumption was 29.3MB. Max. memory is 8.0GB. [2022-01-31 16:50:55,821 INFO L158 Benchmark]: CDTParser took 1.45ms. Allocated memory is still 191.9MB. Free memory is still 153.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 16:50:55,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.79ms. Allocated memory was 191.9MB in the beginning and 287.3MB in the end (delta: 95.4MB). Free memory was 136.8MB in the beginning and 257.0MB in the end (delta: -120.2MB). Peak memory consumption was 8.5MB. Max. memory is 8.0GB. [2022-01-31 16:50:55,822 INFO L158 Benchmark]: Boogie Preprocessor took 29.37ms. Allocated memory is still 287.3MB. Free memory was 257.0MB in the beginning and 255.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-31 16:50:55,823 INFO L158 Benchmark]: RCFGBuilder took 304.29ms. Allocated memory is still 287.3MB. Free memory was 255.0MB in the beginning and 240.8MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-01-31 16:50:55,823 INFO L158 Benchmark]: IcfgTransformer took 59.21ms. Allocated memory is still 287.3MB. Free memory was 240.8MB in the beginning and 239.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-31 16:50:55,823 INFO L158 Benchmark]: TraceAbstraction took 769.51ms. Allocated memory is still 287.3MB. Free memory was 238.7MB in the beginning and 203.6MB in the end (delta: 35.1MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2022-01-31 16:50:55,827 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.45ms. Allocated memory is still 191.9MB. Free memory is still 153.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 237.79ms. Allocated memory was 191.9MB in the beginning and 287.3MB in the end (delta: 95.4MB). Free memory was 136.8MB in the beginning and 257.0MB in the end (delta: -120.2MB). Peak memory consumption was 8.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.37ms. Allocated memory is still 287.3MB. Free memory was 257.0MB in the beginning and 255.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 304.29ms. Allocated memory is still 287.3MB. Free memory was 255.0MB in the beginning and 240.8MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * IcfgTransformer took 59.21ms. Allocated memory is still 287.3MB. Free memory was 240.8MB in the beginning and 239.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 769.51ms. Allocated memory is still 287.3MB. Free memory was 238.7MB in the beginning and 203.6MB in the end (delta: 35.1MB). Peak memory consumption was 35.7MB. 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: 95]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of shiftRight at line 39, overapproximation of bitwiseOr at line 40, overapproximation of someBinaryArithmeticDOUBLEoperation at line 90, overapproximation of bitwiseAnd at line 27, overapproximation of someBinaryDOUBLEComparisonOperation at line 82. Possible FailurePath: [L16] static const double huge_floor = 1.0e300; VAL [\old(huge_floor)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L90] double x = 0.0 / 0.0; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L91] CALL, EXPR floor_double(x) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L19] __int32_t i0, i1, j0; [L20] __uint32_t i, j; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (i0) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (i1) = ew_u.parts.lsw [L27] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L28] COND TRUE j0 < 20 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=0, j0=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L29] COND FALSE !(j0 < 0) [L39] i = (0x000fffff) >> j0 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=0, j0=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L40] COND TRUE ((i0 & i) | i1) == 0 [L41] return x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, \result=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=0, j0=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L91] RET, EXPR floor_double(x) VAL [floor_double(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L91] double res = floor_double(x); [L94] CALL, EXPR isnan_double(res) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L82] return x != x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, \result=0, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L94] RET, EXPR isnan_double(res) VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, isnan_double(res)=0, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L94] COND TRUE !isnan_double(res) [L95] reach_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 57 mSDtfsCounter, 58 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred 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, 0.2s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 43 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 16:50:55,861 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...