/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/floats-cbmc-regression/float6.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 04:43:46,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 04:43:46,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 04:43:46,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 04:43:46,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 04:43:46,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 04:43:46,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 04:43:46,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 04:43:46,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 04:43:46,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 04:43:46,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 04:43:46,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 04:43:46,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 04:43:46,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 04:43:46,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 04:43:46,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 04:43:46,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 04:43:46,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 04:43:46,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 04:43:46,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 04:43:46,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 04:43:46,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 04:43:46,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 04:43:46,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 04:43:46,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 04:43:46,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 04:43:46,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 04:43:46,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 04:43:46,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 04:43:46,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 04:43:46,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 04:43:46,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 04:43:46,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 04:43:46,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 04:43:46,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 04:43:46,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 04:43:46,630 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 04:43:46,664 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 04:43:46,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 04:43:46,665 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 04:43:46,665 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 04:43:46,666 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 04:43:46,666 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 04:43:46,666 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 04:43:46,667 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 04:43:46,667 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 04:43:46,667 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 04:43:46,667 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 04:43:46,668 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 04:43:46,668 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 04:43:46,668 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 04:43:46,668 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 04:43:46,668 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 04:43:46,668 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 04:43:46,668 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 04:43:46,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 04:43:46,669 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 04:43:46,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 04:43:46,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 04:43:46,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 04:43:46,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 04:43:46,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 04:43:46,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 04:43:46,670 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 04:43:46,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 04:43:46,671 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 04:43:46,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 04:43:46,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 04:43:46,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 04:43:46,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 04:43:46,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 04:43:46,671 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 04:43:46,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 04:43:46,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 04:43:46,672 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 04:43:46,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 04:43:46,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 04:43:46,672 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 04:43:46,672 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 04:43:46,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 04:43:46,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 04:43:46,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 04:43:46,931 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 04:43:46,932 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 04:43:46,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float6.c [2023-04-01 04:43:48,154 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 04:43:48,348 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 04:43:48,348 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c [2023-04-01 04:43:48,355 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fb97c4b1/06d89806e5994758939d92dd56ca944c/FLAG0ea0c14aa [2023-04-01 04:43:48,377 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fb97c4b1/06d89806e5994758939d92dd56ca944c [2023-04-01 04:43:48,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 04:43:48,381 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 04:43:48,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 04:43:48,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 04:43:48,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 04:43:48,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 04:43:48" (1/1) ... [2023-04-01 04:43:48,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79cd898e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:43:48, skipping insertion in model container [2023-04-01 04:43:48,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 04:43:48" (1/1) ... [2023-04-01 04:43:48,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 04:43:48,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 04:43:48,557 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[369,382] [2023-04-01 04:43:48,561 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[412,425] [2023-04-01 04:43:48,562 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[454,467] [2023-04-01 04:43:48,562 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[501,514] [2023-04-01 04:43:48,563 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[543,556] [2023-04-01 04:43:48,563 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[590,603] [2023-04-01 04:43:48,564 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[635,648] [2023-04-01 04:43:48,564 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[682,695] [2023-04-01 04:43:48,565 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[727,740] [2023-04-01 04:43:48,566 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[774,787] [2023-04-01 04:43:48,566 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[817,830] [2023-04-01 04:43:48,568 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[862,875] [2023-04-01 04:43:48,569 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[905,918] [2023-04-01 04:43:48,570 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[950,963] [2023-04-01 04:43:48,570 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[993,1006] [2023-04-01 04:43:48,571 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1041,1054] [2023-04-01 04:43:48,571 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1084,1097] [2023-04-01 04:43:48,571 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1132,1145] [2023-04-01 04:43:48,575 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1291,1304] [2023-04-01 04:43:48,576 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1330,1343] [2023-04-01 04:43:48,578 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1368,1381] [2023-04-01 04:43:48,578 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1411,1424] [2023-04-01 04:43:48,579 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1449,1462] [2023-04-01 04:43:48,579 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1492,1505] [2023-04-01 04:43:48,580 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1533,1546] [2023-04-01 04:43:48,580 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1576,1589] [2023-04-01 04:43:48,581 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1617,1630] [2023-04-01 04:43:48,581 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1660,1673] [2023-04-01 04:43:48,582 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1699,1712] [2023-04-01 04:43:48,582 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1740,1753] [2023-04-01 04:43:48,583 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1779,1792] [2023-04-01 04:43:48,583 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1820,1833] [2023-04-01 04:43:48,584 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1859,1872] [2023-04-01 04:43:48,584 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1903,1916] [2023-04-01 04:43:48,585 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1942,1955] [2023-04-01 04:43:48,585 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1986,1999] [2023-04-01 04:43:48,587 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 04:43:48,596 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 04:43:48,609 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[369,382] [2023-04-01 04:43:48,609 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[412,425] [2023-04-01 04:43:48,610 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[454,467] [2023-04-01 04:43:48,610 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[501,514] [2023-04-01 04:43:48,611 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[543,556] [2023-04-01 04:43:48,611 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[590,603] [2023-04-01 04:43:48,612 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[635,648] [2023-04-01 04:43:48,612 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[682,695] [2023-04-01 04:43:48,612 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[727,740] [2023-04-01 04:43:48,618 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[774,787] [2023-04-01 04:43:48,619 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[817,830] [2023-04-01 04:43:48,619 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[862,875] [2023-04-01 04:43:48,619 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[905,918] [2023-04-01 04:43:48,620 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[950,963] [2023-04-01 04:43:48,620 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[993,1006] [2023-04-01 04:43:48,621 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1041,1054] [2023-04-01 04:43:48,621 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1084,1097] [2023-04-01 04:43:48,621 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1132,1145] [2023-04-01 04:43:48,623 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1291,1304] [2023-04-01 04:43:48,623 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1330,1343] [2023-04-01 04:43:48,623 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1368,1381] [2023-04-01 04:43:48,624 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1411,1424] [2023-04-01 04:43:48,624 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1449,1462] [2023-04-01 04:43:48,625 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1492,1505] [2023-04-01 04:43:48,625 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1533,1546] [2023-04-01 04:43:48,626 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1576,1589] [2023-04-01 04:43:48,626 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1617,1630] [2023-04-01 04:43:48,627 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1660,1673] [2023-04-01 04:43:48,627 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1699,1712] [2023-04-01 04:43:48,627 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1740,1753] [2023-04-01 04:43:48,628 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1779,1792] [2023-04-01 04:43:48,628 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1820,1833] [2023-04-01 04:43:48,634 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1859,1872] [2023-04-01 04:43:48,635 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1903,1916] [2023-04-01 04:43:48,642 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1942,1955] [2023-04-01 04:43:48,642 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c[1986,1999] [2023-04-01 04:43:48,643 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 04:43:48,654 INFO L208 MainTranslator]: Completed translation [2023-04-01 04:43:48,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:43:48 WrapperNode [2023-04-01 04:43:48,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 04:43:48,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 04:43:48,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 04:43:48,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 04:43:48,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:43:48" (1/1) ... [2023-04-01 04:43:48,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:43:48" (1/1) ... [2023-04-01 04:43:48,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:43:48" (1/1) ... [2023-04-01 04:43:48,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:43:48" (1/1) ... [2023-04-01 04:43:48,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:43:48" (1/1) ... [2023-04-01 04:43:48,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:43:48" (1/1) ... [2023-04-01 04:43:48,692 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:43:48" (1/1) ... [2023-04-01 04:43:48,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:43:48" (1/1) ... [2023-04-01 04:43:48,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 04:43:48,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 04:43:48,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 04:43:48,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 04:43:48,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:43:48" (1/1) ... [2023-04-01 04:43:48,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 04:43:48,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 04:43:48,791 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) [2023-04-01 04:43:48,793 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 [2023-04-01 04:43:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 04:43:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 04:43:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 04:43:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 04:43:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 04:43:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 04:43:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 04:43:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 04:43:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2023-04-01 04:43:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 04:43:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 04:43:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 04:43:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 04:43:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 04:43:48,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 04:43:48,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 04:43:48,877 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 04:43:48,879 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 04:43:49,070 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 04:43:49,091 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 04:43:49,091 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-01 04:43:49,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 04:43:49 BoogieIcfgContainer [2023-04-01 04:43:49,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 04:43:49,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 04:43:49,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 04:43:49,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 04:43:49,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 04:43:48" (1/3) ... [2023-04-01 04:43:49,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@726f6104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 04:43:49, skipping insertion in model container [2023-04-01 04:43:49,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:43:48" (2/3) ... [2023-04-01 04:43:49,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@726f6104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 04:43:49, skipping insertion in model container [2023-04-01 04:43:49,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 04:43:49" (3/3) ... [2023-04-01 04:43:49,098 INFO L112 eAbstractionObserver]: Analyzing ICFG float6.c [2023-04-01 04:43:49,109 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 04:43:49,110 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-04-01 04:43:49,186 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 04:43:49,207 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@76826050, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 04:43:49,208 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2023-04-01 04:43:49,218 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 76 states have (on average 1.9473684210526316) internal successors, (148), 112 states have internal predecessors, (148), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 04:43:49,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-04-01 04:43:49,224 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 04:43:49,224 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-04-01 04:43:49,225 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2023-04-01 04:43:49,229 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 04:43:49,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1265996168, now seen corresponding path program 1 times [2023-04-01 04:43:49,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 04:43:49,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663949395] [2023-04-01 04:43:49,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 04:43:49,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 04:43:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-01 04:43:49,330 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-04-01 04:43:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-01 04:43:49,355 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-04-01 04:43:49,357 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-04-01 04:43:49,358 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 36 remaining) [2023-04-01 04:43:49,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr1ASSERT_VIOLATIONERROR_FUNCTION (34 of 36 remaining) [2023-04-01 04:43:49,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr2ASSERT_VIOLATIONERROR_FUNCTION (33 of 36 remaining) [2023-04-01 04:43:49,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr3ASSERT_VIOLATIONERROR_FUNCTION (32 of 36 remaining) [2023-04-01 04:43:49,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr4ASSERT_VIOLATIONERROR_FUNCTION (31 of 36 remaining) [2023-04-01 04:43:49,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr5ASSERT_VIOLATIONERROR_FUNCTION (30 of 36 remaining) [2023-04-01 04:43:49,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr6ASSERT_VIOLATIONERROR_FUNCTION (29 of 36 remaining) [2023-04-01 04:43:49,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr7ASSERT_VIOLATIONERROR_FUNCTION (28 of 36 remaining) [2023-04-01 04:43:49,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr8ASSERT_VIOLATIONERROR_FUNCTION (27 of 36 remaining) [2023-04-01 04:43:49,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr9ASSERT_VIOLATIONERROR_FUNCTION (26 of 36 remaining) [2023-04-01 04:43:49,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr10ASSERT_VIOLATIONERROR_FUNCTION (25 of 36 remaining) [2023-04-01 04:43:49,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr11ASSERT_VIOLATIONERROR_FUNCTION (24 of 36 remaining) [2023-04-01 04:43:49,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr12ASSERT_VIOLATIONERROR_FUNCTION (23 of 36 remaining) [2023-04-01 04:43:49,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr13ASSERT_VIOLATIONERROR_FUNCTION (22 of 36 remaining) [2023-04-01 04:43:49,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr14ASSERT_VIOLATIONERROR_FUNCTION (21 of 36 remaining) [2023-04-01 04:43:49,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr15ASSERT_VIOLATIONERROR_FUNCTION (20 of 36 remaining) [2023-04-01 04:43:49,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr16ASSERT_VIOLATIONERROR_FUNCTION (19 of 36 remaining) [2023-04-01 04:43:49,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr17ASSERT_VIOLATIONERROR_FUNCTION (18 of 36 remaining) [2023-04-01 04:43:49,364 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr18ASSERT_VIOLATIONERROR_FUNCTION (17 of 36 remaining) [2023-04-01 04:43:49,364 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr19ASSERT_VIOLATIONERROR_FUNCTION (16 of 36 remaining) [2023-04-01 04:43:49,364 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr20ASSERT_VIOLATIONERROR_FUNCTION (15 of 36 remaining) [2023-04-01 04:43:49,364 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr21ASSERT_VIOLATIONERROR_FUNCTION (14 of 36 remaining) [2023-04-01 04:43:49,365 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr22ASSERT_VIOLATIONERROR_FUNCTION (13 of 36 remaining) [2023-04-01 04:43:49,365 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr23ASSERT_VIOLATIONERROR_FUNCTION (12 of 36 remaining) [2023-04-01 04:43:49,365 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr24ASSERT_VIOLATIONERROR_FUNCTION (11 of 36 remaining) [2023-04-01 04:43:49,365 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr25ASSERT_VIOLATIONERROR_FUNCTION (10 of 36 remaining) [2023-04-01 04:43:49,365 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr26ASSERT_VIOLATIONERROR_FUNCTION (9 of 36 remaining) [2023-04-01 04:43:49,366 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr27ASSERT_VIOLATIONERROR_FUNCTION (8 of 36 remaining) [2023-04-01 04:43:49,366 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr28ASSERT_VIOLATIONERROR_FUNCTION (7 of 36 remaining) [2023-04-01 04:43:49,366 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr29ASSERT_VIOLATIONERROR_FUNCTION (6 of 36 remaining) [2023-04-01 04:43:49,366 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr30ASSERT_VIOLATIONERROR_FUNCTION (5 of 36 remaining) [2023-04-01 04:43:49,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr31ASSERT_VIOLATIONERROR_FUNCTION (4 of 36 remaining) [2023-04-01 04:43:49,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr32ASSERT_VIOLATIONERROR_FUNCTION (3 of 36 remaining) [2023-04-01 04:43:49,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr33ASSERT_VIOLATIONERROR_FUNCTION (2 of 36 remaining) [2023-04-01 04:43:49,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr34ASSERT_VIOLATIONERROR_FUNCTION (1 of 36 remaining) [2023-04-01 04:43:49,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr35ASSERT_VIOLATIONERROR_FUNCTION (0 of 36 remaining) [2023-04-01 04:43:49,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 04:43:49,372 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-04-01 04:43:49,376 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 04:43:49,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 04:43:49 BoogieIcfgContainer [2023-04-01 04:43:49,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 04:43:49,397 INFO L158 Benchmark]: Toolchain (without parser) took 1015.98ms. Allocated memory is still 335.5MB. Free memory was 287.9MB in the beginning and 240.0MB in the end (delta: 47.9MB). Peak memory consumption was 48.2MB. Max. memory is 8.0GB. [2023-04-01 04:43:49,398 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 203.4MB. Free memory is still 151.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 04:43:49,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.57ms. Allocated memory is still 335.5MB. Free memory was 287.5MB in the beginning and 272.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-04-01 04:43:49,399 INFO L158 Benchmark]: Boogie Preprocessor took 39.58ms. Allocated memory is still 335.5MB. Free memory was 272.8MB in the beginning and 271.1MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-04-01 04:43:49,400 INFO L158 Benchmark]: RCFGBuilder took 396.58ms. Allocated memory is still 335.5MB. Free memory was 270.8MB in the beginning and 256.4MB in the end (delta: 14.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-04-01 04:43:49,405 INFO L158 Benchmark]: TraceAbstraction took 301.76ms. Allocated memory is still 335.5MB. Free memory was 255.7MB in the beginning and 240.0MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-04-01 04:43:49,407 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 203.4MB. Free memory is still 151.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 271.57ms. Allocated memory is still 335.5MB. Free memory was 287.5MB in the beginning and 272.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.58ms. Allocated memory is still 335.5MB. Free memory was 272.8MB in the beginning and 271.1MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 396.58ms. Allocated memory is still 335.5MB. Free memory was 270.8MB in the beginning and 256.4MB in the end (delta: 14.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 301.76ms. Allocated memory is still 335.5MB. Free memory was 255.7MB in the beginning and 240.0MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. 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: 9]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 9. Possible FailurePath: [L9] COND TRUE !(1.0!=2.0) [L9] reach_error() - UnprovableResult [Line: 10]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 11]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 14]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 15]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 16]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 17]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 21]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 22]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 23]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 24]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 25]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 26]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 32]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 37]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 38]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 119 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2023-04-01 04:43:49,433 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...