/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/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf -i ../../../trunk/examples/svcomp/float-benchs/sqrt_Newton_pseudoconstant.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 05:16:10,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 05:16:10,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 05:16:10,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 05:16:10,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 05:16:10,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 05:16:10,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 05:16:10,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 05:16:10,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 05:16:10,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 05:16:10,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 05:16:10,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 05:16:10,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 05:16:10,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 05:16:10,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 05:16:10,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 05:16:10,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 05:16:10,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 05:16:10,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 05:16:10,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 05:16:10,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 05:16:10,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 05:16:10,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 05:16:10,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 05:16:10,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-11 05:16:10,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 05:16:10,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 05:16:10,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 05:16:10,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 05:16:10,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 05:16:10,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 05:16:10,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 05:16:10,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 05:16:10,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 05:16:10,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 05:16:10,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 05:16:10,991 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf [2022-01-11 05:16:11,018 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 05:16:11,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 05:16:11,019 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 05:16:11,019 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 05:16:11,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 05:16:11,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 05:16:11,020 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 05:16:11,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 05:16:11,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 05:16:11,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 05:16:11,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 05:16:11,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 05:16:11,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 05:16:11,021 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 05:16:11,021 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 05:16:11,022 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 05:16:11,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 05:16:11,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 05:16:11,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 05:16:11,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 05:16:11,022 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 05:16:11,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 05:16:11,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 05:16:11,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 05:16:11,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 05:16:11,023 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 05:16:11,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 05:16:11,023 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 05:16:11,023 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 05:16:11,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 05:16:11,024 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 05:16:11,024 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 05:16:11,024 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 05:16:11,024 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_SUM 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 05:16:11,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 05:16:11,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 05:16:11,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 05:16:11,275 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 05:16:11,276 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 05:16:11,277 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/sqrt_Newton_pseudoconstant.c [2022-01-11 05:16:11,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04dc20eb2/4217d904d562432f8c1f8a32a74262e4/FLAG22f921877 [2022-01-11 05:16:11,758 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 05:16:11,758 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/sqrt_Newton_pseudoconstant.c [2022-01-11 05:16:11,768 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04dc20eb2/4217d904d562432f8c1f8a32a74262e4/FLAG22f921877 [2022-01-11 05:16:11,782 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04dc20eb2/4217d904d562432f8c1f8a32a74262e4 [2022-01-11 05:16:11,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 05:16:11,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 05:16:11,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 05:16:11,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 05:16:11,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 05:16:11,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 05:16:11" (1/1) ... [2022-01-11 05:16:11,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aadfd18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:16:11, skipping insertion in model container [2022-01-11 05:16:11,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 05:16:11" (1/1) ... [2022-01-11 05:16:11,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 05:16:11,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 05:16:11,995 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-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2022-01-11 05:16:12,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 05:16:12,023 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 05:16:12,033 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-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2022-01-11 05:16:12,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 05:16:12,051 INFO L208 MainTranslator]: Completed translation [2022-01-11 05:16:12,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:16:12 WrapperNode [2022-01-11 05:16:12,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 05:16:12,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 05:16:12,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 05:16:12,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 05:16:12,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:16:12" (1/1) ... [2022-01-11 05:16:12,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:16:12" (1/1) ... [2022-01-11 05:16:12,092 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2022-01-11 05:16:12,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 05:16:12,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 05:16:12,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 05:16:12,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 05:16:12,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:16:12" (1/1) ... [2022-01-11 05:16:12,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:16:12" (1/1) ... [2022-01-11 05:16:12,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:16:12" (1/1) ... [2022-01-11 05:16:12,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:16:12" (1/1) ... [2022-01-11 05:16:12,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:16:12" (1/1) ... [2022-01-11 05:16:12,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:16:12" (1/1) ... [2022-01-11 05:16:12,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:16:12" (1/1) ... [2022-01-11 05:16:12,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 05:16:12,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 05:16:12,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 05:16:12,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 05:16:12,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:16:12" (1/1) ... [2022-01-11 05:16:12,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 05:16:12,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 05:16:12,172 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) [2022-01-11 05:16:12,189 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 [2022-01-11 05:16:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 05:16:12,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 05:16:12,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 05:16:12,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 05:16:12,261 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 05:16:12,263 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 05:16:12,416 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 05:16:12,421 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 05:16:12,421 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-11 05:16:12,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:16:12 BoogieIcfgContainer [2022-01-11 05:16:12,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 05:16:12,423 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 05:16:12,423 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 05:16:12,440 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 05:16:12,442 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:16:12" (1/1) ... [2022-01-11 05:16:12,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 05:16:12 BasicIcfg [2022-01-11 05:16:12,523 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 05:16:12,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 05:16:12,525 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 05:16:12,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 05:16:12,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 05:16:11" (1/4) ... [2022-01-11 05:16:12,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d00c6b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 05:16:12, skipping insertion in model container [2022-01-11 05:16:12,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:16:12" (2/4) ... [2022-01-11 05:16:12,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d00c6b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 05:16:12, skipping insertion in model container [2022-01-11 05:16:12,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:16:12" (3/4) ... [2022-01-11 05:16:12,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d00c6b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 05:16:12, skipping insertion in model container [2022-01-11 05:16:12,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 05:16:12" (4/4) ... [2022-01-11 05:16:12,529 INFO L111 eAbstractionObserver]: Analyzing ICFG sqrt_Newton_pseudoconstant.cTransformedIcfg [2022-01-11 05:16:12,533 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 05:16:12,533 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-11 05:16:12,567 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 05:16:12,572 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-11 05:16:12,572 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-11 05:16:12,596 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 18 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:16:12,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-01-11 05:16:12,601 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:16:12,601 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 05:16:12,602 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 05:16:12,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:16:12,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1359376950, now seen corresponding path program 1 times [2022-01-11 05:16:12,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:16:12,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811370720] [2022-01-11 05:16:12,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:16:12,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:16:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:16:12,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 05:16:12,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:16:12,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811370720] [2022-01-11 05:16:12,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811370720] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:16:12,788 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:16:12,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 05:16:12,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653829046] [2022-01-11 05:16:12,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:16:12,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-11 05:16:12,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:16:12,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-11 05:16:12,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-11 05:16:12,819 INFO L87 Difference]: Start difference. First operand has 19 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 18 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:16:12,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:16:12,830 INFO L93 Difference]: Finished difference Result 36 states and 48 transitions. [2022-01-11 05:16:12,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-11 05:16:12,833 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-01-11 05:16:12,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:16:12,840 INFO L225 Difference]: With dead ends: 36 [2022-01-11 05:16:12,840 INFO L226 Difference]: Without dead ends: 15 [2022-01-11 05:16:12,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-11 05:16:12,849 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 05:16:12,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 05:16:12,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-01-11 05:16:12,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-01-11 05:16:12,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:16:12,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-01-11 05:16:12,881 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2022-01-11 05:16:12,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:16:12,881 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-01-11 05:16:12,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:16:12,881 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-01-11 05:16:12,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-01-11 05:16:12,882 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:16:12,882 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 05:16:12,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 05:16:12,883 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 05:16:12,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:16:12,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1129059404, now seen corresponding path program 1 times [2022-01-11 05:16:12,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:16:12,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029283046] [2022-01-11 05:16:12,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:16:12,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:16:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 05:16:12,921 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-11 05:16:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 05:16:12,956 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-11 05:16:12,956 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-11 05:16:12,959 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-11 05:16:12,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-11 05:16:12,965 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-11 05:16:12,968 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-11 05:16:12,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 05:16:12 BasicIcfg [2022-01-11 05:16:12,993 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-11 05:16:12,993 INFO L158 Benchmark]: Toolchain (without parser) took 1206.52ms. Allocated memory was 167.8MB in the beginning and 248.5MB in the end (delta: 80.7MB). Free memory was 112.7MB in the beginning and 176.8MB in the end (delta: -64.1MB). Peak memory consumption was 16.6MB. Max. memory is 8.0GB. [2022-01-11 05:16:12,994 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 167.8MB. Free memory is still 129.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 05:16:12,994 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.42ms. Allocated memory was 167.8MB in the beginning and 248.5MB in the end (delta: 80.7MB). Free memory was 112.5MB in the beginning and 220.4MB in the end (delta: -107.9MB). Peak memory consumption was 11.8MB. Max. memory is 8.0GB. [2022-01-11 05:16:12,995 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.67ms. Allocated memory is still 248.5MB. Free memory was 220.4MB in the beginning and 218.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-11 05:16:12,995 INFO L158 Benchmark]: Boogie Preprocessor took 45.41ms. Allocated memory is still 248.5MB. Free memory was 218.8MB in the beginning and 217.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-11 05:16:12,996 INFO L158 Benchmark]: RCFGBuilder took 282.75ms. Allocated memory is still 248.5MB. Free memory was 217.2MB in the beginning and 205.7MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-01-11 05:16:12,996 INFO L158 Benchmark]: IcfgTransformer took 100.30ms. Allocated memory is still 248.5MB. Free memory was 205.7MB in the beginning and 203.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-11 05:16:12,997 INFO L158 Benchmark]: TraceAbstraction took 468.06ms. Allocated memory is still 248.5MB. Free memory was 202.5MB in the beginning and 176.8MB in the end (delta: 25.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-01-11 05:16:13,000 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 167.8MB. Free memory is still 129.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 258.42ms. Allocated memory was 167.8MB in the beginning and 248.5MB in the end (delta: 80.7MB). Free memory was 112.5MB in the beginning and 220.4MB in the end (delta: -107.9MB). Peak memory consumption was 11.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.67ms. Allocated memory is still 248.5MB. Free memory was 220.4MB in the beginning and 218.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.41ms. Allocated memory is still 248.5MB. Free memory was 218.8MB in the beginning and 217.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 282.75ms. Allocated memory is still 248.5MB. Free memory was 217.2MB in the beginning and 205.7MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * IcfgTransformer took 100.30ms. Allocated memory is still 248.5MB. Free memory was 205.7MB in the beginning and 203.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 468.06ms. Allocated memory is still 248.5MB. Free memory was 202.5MB in the beginning and 176.8MB in the end (delta: 25.7MB). Peak memory consumption was 26.2MB. 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: 13]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of floatingLiteral_0.000001_DOUBLE at line 15, overapproximation of fp.geq at line 52, overapproximation of fp.gt at line 26, overapproximation of fp.div at line 37, overapproximation of fp.neg at line 25, overapproximation of floatingLiteral_1.0_DOUBLE at line 21, overapproximation of floatingLiteral_1_DOUBLE at line 45, overapproximation of fp.leq at line 52, overapproximation of fp.lt at line 26, overapproximation of floatingLiteral_1E-8_DOUBLE at line 43, overapproximation of fp.mul at line 23. Possible FailurePath: [L15] double _EPS = 1e-6; [L42] double d, dd, r; [L43] double epsilon = 1e-8; [L45] d = 1. [L45] COND TRUE d <= 20. [L47] dd = __VERIFIER_nondet_double() [L48] CALL assume_abort_if_not(dd >= d-epsilon && dd <= d+epsilon) [L11] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L48] RET assume_abort_if_not(dd >= d-epsilon && dd <= d+epsilon) [L50] CALL, EXPR SqrtR(dd) [L19] double xn, xnp1, residu, lsup, linf; [L20] int i, cond; [L21] COND TRUE Input <= 1.0 [L21] xn = 1.0 [L22] xnp1 = xn [L23] residu = 2.0*_EPS*(xn+xnp1) [L24] lsup = _EPS * (xn+xnp1) [L25] linf = -lsup [L26] cond = ((residu > lsup) || (residu < linf)) [L27] i = 0 VAL [cond=0, i=0] [L28] COND FALSE !(\read(cond)) VAL [cond=0, i=0] [L37] return 1.0 / xnp1; VAL [cond=0, i=0] [L50] RET, EXPR SqrtR(dd) [L50] r = SqrtR(dd) [L52] CALL __VERIFIER_assert(r >= 0.9 && r <= 5.) [L13] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L13] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 21 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 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 [2022-01-11 05:16:13,039 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...