/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_LAZY.epf -i ../../../trunk/examples/svcomp/float-benchs/bary_diverge.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 17:38:04,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 17:38:04,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 17:38:04,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 17:38:04,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 17:38:04,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 17:38:04,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 17:38:04,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 17:38:04,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 17:38:04,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 17:38:04,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 17:38:04,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 17:38:04,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 17:38:04,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 17:38:04,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 17:38:04,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 17:38:04,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 17:38:04,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 17:38:04,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 17:38:04,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 17:38:04,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 17:38:04,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 17:38:04,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 17:38:04,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 17:38:04,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 17:38:04,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 17:38:04,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 17:38:04,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 17:38:04,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 17:38:04,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 17:38:04,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 17:38:04,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 17:38:04,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 17:38:04,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 17:38:04,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 17:38:04,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 17:38:04,303 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf [2022-01-10 17:38:04,331 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 17:38:04,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 17:38:04,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 17:38:04,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 17:38:04,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 17:38:04,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 17:38:04,334 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 17:38:04,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 17:38:04,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 17:38:04,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 17:38:04,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 17:38:04,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 17:38:04,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 17:38:04,335 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 17:38:04,335 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 17:38:04,336 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 17:38:04,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 17:38:04,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 17:38:04,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 17:38:04,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 17:38:04,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 17:38:04,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 17:38:04,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 17:38:04,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 17:38:04,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 17:38:04,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 17:38:04,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 17:38:04,337 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 17:38:04,337 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 17:38:04,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 17:38:04,338 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 17:38:04,338 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 17:38:04,339 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 17:38:04,339 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_LAZY 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 17:38:04,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 17:38:04,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 17:38:04,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 17:38:04,619 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 17:38:04,619 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 17:38:04,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/bary_diverge.c [2022-01-10 17:38:04,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/064532bc2/9868550f1c6e4af9a32896454cb9e812/FLAG58b3c8edc [2022-01-10 17:38:05,124 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 17:38:05,124 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/bary_diverge.c [2022-01-10 17:38:05,134 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/064532bc2/9868550f1c6e4af9a32896454cb9e812/FLAG58b3c8edc [2022-01-10 17:38:05,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/064532bc2/9868550f1c6e4af9a32896454cb9e812 [2022-01-10 17:38:05,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 17:38:05,161 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 17:38:05,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 17:38:05,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 17:38:05,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 17:38:05,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 05:38:05" (1/1) ... [2022-01-10 17:38:05,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34aadb28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:05, skipping insertion in model container [2022-01-10 17:38:05,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 05:38:05" (1/1) ... [2022-01-10 17:38:05,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 17:38:05,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 17:38:05,345 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/bary_diverge.c[632,645] [2022-01-10 17:38:05,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 17:38:05,382 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 17:38:05,400 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/bary_diverge.c[632,645] [2022-01-10 17:38:05,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 17:38:05,433 INFO L208 MainTranslator]: Completed translation [2022-01-10 17:38:05,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:05 WrapperNode [2022-01-10 17:38:05,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 17:38:05,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 17:38:05,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 17:38:05,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 17:38:05,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:05" (1/1) ... [2022-01-10 17:38:05,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:05" (1/1) ... [2022-01-10 17:38:05,482 INFO L137 Inliner]: procedures = 18, calls = 16, calls flagged for inlining = 11, calls inlined = 15, statements flattened = 106 [2022-01-10 17:38:05,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 17:38:05,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 17:38:05,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 17:38:05,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 17:38:05,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:05" (1/1) ... [2022-01-10 17:38:05,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:05" (1/1) ... [2022-01-10 17:38:05,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:05" (1/1) ... [2022-01-10 17:38:05,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:05" (1/1) ... [2022-01-10 17:38:05,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:05" (1/1) ... [2022-01-10 17:38:05,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:05" (1/1) ... [2022-01-10 17:38:05,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:05" (1/1) ... [2022-01-10 17:38:05,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 17:38:05,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 17:38:05,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 17:38:05,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 17:38:05,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:05" (1/1) ... [2022-01-10 17:38:05,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 17:38:05,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 17:38:05,560 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) [2022-01-10 17:38:05,584 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 [2022-01-10 17:38:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 17:38:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 17:38:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 17:38:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 17:38:05,680 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 17:38:05,681 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 17:38:05,871 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 17:38:05,876 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 17:38:05,876 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 17:38:05,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:38:05 BoogieIcfgContainer [2022-01-10 17:38:05,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 17:38:05,878 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 17:38:05,878 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 17:38:05,879 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 17:38:05,882 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:38:05" (1/1) ... [2022-01-10 17:38:05,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 05:38:05 BasicIcfg [2022-01-10 17:38:05,974 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 17:38:05,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 17:38:05,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 17:38:05,978 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 17:38:05,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 05:38:05" (1/4) ... [2022-01-10 17:38:05,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@768d57e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 05:38:05, skipping insertion in model container [2022-01-10 17:38:05,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:38:05" (2/4) ... [2022-01-10 17:38:05,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@768d57e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 05:38:05, skipping insertion in model container [2022-01-10 17:38:05,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:38:05" (3/4) ... [2022-01-10 17:38:05,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@768d57e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 05:38:05, skipping insertion in model container [2022-01-10 17:38:05,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 05:38:05" (4/4) ... [2022-01-10 17:38:05,981 INFO L111 eAbstractionObserver]: Analyzing ICFG bary_diverge.cTransformedIcfg [2022-01-10 17:38:05,986 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 17:38:05,986 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 17:38:06,040 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 17:38:06,047 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 [2022-01-10 17:38:06,047 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 17:38:06,062 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 31 states have internal predecessors, (41), 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) [2022-01-10 17:38:06,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-01-10 17:38:06,067 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 17:38:06,067 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 17:38:06,067 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 17:38:06,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 17:38:06,073 INFO L85 PathProgramCache]: Analyzing trace with hash -331695700, now seen corresponding path program 1 times [2022-01-10 17:38:06,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 17:38:06,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754712761] [2022-01-10 17:38:06,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 17:38:06,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 17:38:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 17:38:06,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 17:38:06,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 17:38:06,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754712761] [2022-01-10 17:38:06,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754712761] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 17:38:06,280 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 17:38:06,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 17:38:06,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844983253] [2022-01-10 17:38:06,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 17:38:06,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 17:38:06,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 17:38:06,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 17:38:06,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 17:38:06,319 INFO L87 Difference]: Start difference. First operand has 32 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 31 states have internal predecessors, (41), 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 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 17:38:06,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 17:38:06,341 INFO L93 Difference]: Finished difference Result 61 states and 78 transitions. [2022-01-10 17:38:06,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 17:38:06,343 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-01-10 17:38:06,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 17:38:06,352 INFO L225 Difference]: With dead ends: 61 [2022-01-10 17:38:06,352 INFO L226 Difference]: Without dead ends: 28 [2022-01-10 17:38:06,355 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 [2022-01-10 17:38:06,359 INFO L933 BasicCegarLoop]: 34 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, 34 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 [2022-01-10 17:38:06,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 17:38:06,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-01-10 17:38:06,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-01-10 17:38:06,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 27 states have internal predecessors, (30), 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) [2022-01-10 17:38:06,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2022-01-10 17:38:06,397 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 14 [2022-01-10 17:38:06,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 17:38:06,398 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2022-01-10 17:38:06,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 17:38:06,400 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2022-01-10 17:38:06,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-01-10 17:38:06,401 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 17:38:06,401 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 17:38:06,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 17:38:06,401 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 17:38:06,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 17:38:06,404 INFO L85 PathProgramCache]: Analyzing trace with hash -2139150163, now seen corresponding path program 1 times [2022-01-10 17:38:06,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 17:38:06,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377933175] [2022-01-10 17:38:06,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 17:38:06,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 17:38:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 17:38:06,461 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 17:38:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 17:38:06,532 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-10 17:38:06,533 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 17:38:06,535 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 17:38:06,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 17:38:06,541 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-10 17:38:06,543 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 17:38:06,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 05:38:06 BasicIcfg [2022-01-10 17:38:06,585 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 17:38:06,586 INFO L158 Benchmark]: Toolchain (without parser) took 1424.95ms. Allocated memory was 190.8MB in the beginning and 256.9MB in the end (delta: 66.1MB). Free memory was 137.5MB in the beginning and 183.8MB in the end (delta: -46.3MB). Peak memory consumption was 19.5MB. Max. memory is 8.0GB. [2022-01-10 17:38:06,587 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 190.8MB. Free memory is still 154.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 17:38:06,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.96ms. Allocated memory was 190.8MB in the beginning and 256.9MB in the end (delta: 66.1MB). Free memory was 137.3MB in the beginning and 230.9MB in the end (delta: -93.7MB). Peak memory consumption was 7.4MB. Max. memory is 8.0GB. [2022-01-10 17:38:06,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.67ms. Allocated memory is still 256.9MB. Free memory was 230.9MB in the beginning and 229.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 17:38:06,593 INFO L158 Benchmark]: Boogie Preprocessor took 45.06ms. Allocated memory is still 256.9MB. Free memory was 229.4MB in the beginning and 227.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 17:38:06,593 INFO L158 Benchmark]: RCFGBuilder took 349.26ms. Allocated memory is still 256.9MB. Free memory was 227.8MB in the beginning and 215.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-01-10 17:38:06,593 INFO L158 Benchmark]: IcfgTransformer took 95.56ms. Allocated memory is still 256.9MB. Free memory was 215.2MB in the beginning and 212.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 17:38:06,594 INFO L158 Benchmark]: TraceAbstraction took 610.17ms. Allocated memory is still 256.9MB. Free memory was 211.5MB in the beginning and 183.8MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-01-10 17:38:06,599 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 190.8MB. Free memory is still 154.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 271.96ms. Allocated memory was 190.8MB in the beginning and 256.9MB in the end (delta: 66.1MB). Free memory was 137.3MB in the beginning and 230.9MB in the end (delta: -93.7MB). Peak memory consumption was 7.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.67ms. Allocated memory is still 256.9MB. Free memory was 230.9MB in the beginning and 229.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.06ms. Allocated memory is still 256.9MB. Free memory was 229.4MB in the beginning and 227.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 349.26ms. Allocated memory is still 256.9MB. Free memory was 227.8MB in the beginning and 215.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * IcfgTransformer took 95.56ms. Allocated memory is still 256.9MB. Free memory was 215.2MB in the beginning and 212.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 610.17ms. Allocated memory is still 256.9MB. Free memory was 211.5MB in the beginning and 183.8MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. 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: 14]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of fp.geq at line 50, overapproximation of fp.gt at line 36, overapproximation of fp.leq at line 50, overapproximation of floatingLiteral_0_FLOAT at line 20. Possible FailurePath: [L19] BOOLEAN INIT; [L20] float C1, I; [L34] static float X,Y,Z; VAL [INIT=0] [L55] int i; [L57] INIT = TRUE [L58] CALL, EXPR RANDOM_INPUT() [L24] float x; [L25] x = __VERIFIER_nondet_float() [L26] CALL assume_abort_if_not(x >= -1.f && x <= 1.f) [L12] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, INIT=1] [L26] RET assume_abort_if_not(x >= -1.f && x <= 1.f) [L27] return x; VAL [INIT=1] [L58] RET, EXPR RANDOM_INPUT() [L58] C1 = RANDOM_INPUT() [L59] CALL, EXPR RANDOM_INPUT() [L24] float x; [L25] x = __VERIFIER_nondet_float() [L26] CALL assume_abort_if_not(x >= -1.f && x <= 1.f) [L12] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, INIT=1] [L26] RET assume_abort_if_not(x >= -1.f && x <= 1.f) [L27] return x; VAL [INIT=1] [L59] RET, EXPR RANDOM_INPUT() [L59] I = RANDOM_INPUT() [L61] i = 0 VAL [i=0, INIT=1] [L61] COND TRUE i < 3600000 [L62] CALL bary() [L36] COND TRUE C1 > 0.f [L37] Z = Y [L38] Y = X VAL [INIT=1] [L41] COND TRUE INIT == TRUE [L42] X = I [L43] Y = I [L44] Z = I VAL [INIT=1] [L50] CALL __VERIFIER_assert(X >= -5.f && X <= 5.f) [L14] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, INIT=1] [L14] reach_error() VAL [\old(cond)=0, cond=0, INIT=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 34 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, 34 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=32occurred 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, 0.1s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 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 [2022-01-10 17:38:06,646 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...