/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/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/float-benchs/interpolation.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 00:02:05,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 00:02:05,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 00:02:05,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 00:02:05,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 00:02:05,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 00:02:05,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 00:02:05,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 00:02:05,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 00:02:05,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 00:02:05,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 00:02:05,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 00:02:05,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 00:02:05,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 00:02:05,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 00:02:05,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 00:02:05,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 00:02:05,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 00:02:05,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 00:02:05,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 00:02:05,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 00:02:05,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 00:02:05,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 00:02:05,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 00:02:05,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 00:02:05,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 00:02:05,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 00:02:05,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 00:02:05,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 00:02:05,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 00:02:05,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 00:02:05,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 00:02:05,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 00:02:05,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 00:02:05,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 00:02:05,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 00:02:05,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 00:02:05,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 00:02:05,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 00:02:05,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 00:02:05,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 00:02:05,916 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 00:02:05,946 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 00:02:05,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 00:02:05,947 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 00:02:05,947 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 00:02:05,948 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 00:02:05,948 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 00:02:05,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 00:02:05,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 00:02:05,949 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 00:02:05,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 00:02:05,950 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 00:02:05,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 00:02:05,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 00:02:05,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 00:02:05,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 00:02:05,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 00:02:05,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 00:02:05,951 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 00:02:05,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 00:02:05,951 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 00:02:05,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 00:02:05,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 00:02:05,952 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 00:02:05,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 00:02:05,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:02:05,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 00:02:05,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 00:02:05,953 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 00:02:05,953 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 00:02:05,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 00:02:05,953 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 00:02:05,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 00:02:05,954 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 00:02:05,954 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 00:02:05,954 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 00:02:05,954 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 00:02:06,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 00:02:06,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 00:02:06,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 00:02:06,214 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 00:02:06,214 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 00:02:06,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation.c.v+nlh-reducer.c [2023-03-31 00:02:07,436 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 00:02:07,619 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 00:02:07,620 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation.c.v+nlh-reducer.c [2023-03-31 00:02:07,624 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0b528419/d3e00066e0ba4f98aeabfecc8d3f03d2/FLAGbae84fe82 [2023-03-31 00:02:07,635 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0b528419/d3e00066e0ba4f98aeabfecc8d3f03d2 [2023-03-31 00:02:07,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 00:02:07,638 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 00:02:07,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 00:02:07,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 00:02:07,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 00:02:07,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:02:07" (1/1) ... [2023-03-31 00:02:07,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb6a8ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:02:07, skipping insertion in model container [2023-03-31 00:02:07,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:02:07" (1/1) ... [2023-03-31 00:02:07,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 00:02:07,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 00:02:07,840 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/float-benchs/interpolation.c.v+nlh-reducer.c[1314,1327] [2023-03-31 00:02:07,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:02:07,868 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 00:02:07,887 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/float-benchs/interpolation.c.v+nlh-reducer.c[1314,1327] [2023-03-31 00:02:07,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:02:07,902 INFO L208 MainTranslator]: Completed translation [2023-03-31 00:02:07,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:02:07 WrapperNode [2023-03-31 00:02:07,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 00:02:07,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 00:02:07,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 00:02:07,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 00:02:07,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:02:07" (1/1) ... [2023-03-31 00:02:07,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:02:07" (1/1) ... [2023-03-31 00:02:07,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:02:07" (1/1) ... [2023-03-31 00:02:07,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:02:07" (1/1) ... [2023-03-31 00:02:07,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:02:07" (1/1) ... [2023-03-31 00:02:07,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:02:07" (1/1) ... [2023-03-31 00:02:07,929 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:02:07" (1/1) ... [2023-03-31 00:02:07,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:02:07" (1/1) ... [2023-03-31 00:02:07,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 00:02:07,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 00:02:07,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 00:02:07,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 00:02:07,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:02:07" (1/1) ... [2023-03-31 00:02:07,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:02:07,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:02:07,974 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) [2023-03-31 00:02:08,002 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 [2023-03-31 00:02:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 00:02:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 00:02:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 00:02:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 00:02:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 00:02:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 00:02:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 00:02:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 00:02:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 00:02:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2023-03-31 00:02:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 00:02:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-03-31 00:02:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 00:02:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 00:02:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-03-31 00:02:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-03-31 00:02:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 00:02:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 00:02:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 00:02:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 00:02:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 00:02:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 00:02:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-03-31 00:02:08,083 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 00:02:08,085 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 00:02:08,263 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 00:02:08,268 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 00:02:08,268 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-31 00:02:08,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:02:08 BoogieIcfgContainer [2023-03-31 00:02:08,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 00:02:08,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 00:02:08,272 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 00:02:08,274 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 00:02:08,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 12:02:07" (1/3) ... [2023-03-31 00:02:08,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@266c55ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:02:08, skipping insertion in model container [2023-03-31 00:02:08,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:02:07" (2/3) ... [2023-03-31 00:02:08,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@266c55ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:02:08, skipping insertion in model container [2023-03-31 00:02:08,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:02:08" (3/3) ... [2023-03-31 00:02:08,277 INFO L112 eAbstractionObserver]: Analyzing ICFG interpolation.c.v+nlh-reducer.c [2023-03-31 00:02:08,293 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 00:02:08,293 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 00:02:08,336 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 00:02:08,342 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=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@49e4a100, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 00:02:08,343 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 00:02:08,346 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 24 states have (on average 1.625) internal successors, (39), 25 states have internal predecessors, (39), 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) [2023-03-31 00:02:08,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-03-31 00:02:08,355 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:02:08,356 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:02:08,357 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:02:08,361 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:02:08,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1607275382, now seen corresponding path program 1 times [2023-03-31 00:02:08,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:02:08,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441693173] [2023-03-31 00:02:08,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:02:08,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:02:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:02:08,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:02:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:02:08,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:02:08,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:02:08,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441693173] [2023-03-31 00:02:08,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441693173] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:02:08,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:02:08,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 00:02:08,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477997286] [2023-03-31 00:02:08,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:02:08,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 00:02:08,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:02:08,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 00:02:08,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-03-31 00:02:08,737 INFO L87 Difference]: Start difference. First operand has 30 states, 24 states have (on average 1.625) internal successors, (39), 25 states have internal predecessors, (39), 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) Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:02:08,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:02:08,968 INFO L93 Difference]: Finished difference Result 44 states and 57 transitions. [2023-03-31 00:02:08,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 00:02:08,971 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-03-31 00:02:08,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:02:08,978 INFO L225 Difference]: With dead ends: 44 [2023-03-31 00:02:08,978 INFO L226 Difference]: Without dead ends: 26 [2023-03-31 00:02:08,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-03-31 00:02:08,990 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 73 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 00:02:08,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 36 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 00:02:09,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-03-31 00:02:09,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2023-03-31 00:02:09,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 22 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:02:09,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2023-03-31 00:02:09,029 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 17 [2023-03-31 00:02:09,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:02:09,030 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2023-03-31 00:02:09,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:02:09,030 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2023-03-31 00:02:09,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-03-31 00:02:09,031 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:02:09,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:02:09,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 00:02:09,032 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:02:09,032 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:02:09,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1592171345, now seen corresponding path program 1 times [2023-03-31 00:02:09,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:02:09,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938635385] [2023-03-31 00:02:09,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:02:09,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:02:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-31 00:02:09,058 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-03-31 00:02:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-31 00:02:09,106 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-03-31 00:02:09,107 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-03-31 00:02:09,110 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 00:02:09,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 00:02:09,115 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-03-31 00:02:09,119 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 00:02:09,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 12:02:09 BoogieIcfgContainer [2023-03-31 00:02:09,148 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 00:02:09,149 INFO L158 Benchmark]: Toolchain (without parser) took 1510.22ms. Allocated memory is still 176.2MB. Free memory was 135.5MB in the beginning and 123.1MB in the end (delta: 12.4MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-03-31 00:02:09,149 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 00:02:09,149 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.45ms. Allocated memory is still 176.2MB. Free memory was 135.5MB in the beginning and 124.3MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-03-31 00:02:09,150 INFO L158 Benchmark]: Boogie Preprocessor took 29.73ms. Allocated memory is still 176.2MB. Free memory was 124.3MB in the beginning and 122.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-31 00:02:09,150 INFO L158 Benchmark]: RCFGBuilder took 336.14ms. Allocated memory is still 176.2MB. Free memory was 122.3MB in the beginning and 109.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-03-31 00:02:09,151 INFO L158 Benchmark]: TraceAbstraction took 876.33ms. Allocated memory is still 176.2MB. Free memory was 108.3MB in the beginning and 123.1MB in the end (delta: -14.8MB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 00:02:09,152 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 176.2MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 263.45ms. Allocated memory is still 176.2MB. Free memory was 135.5MB in the beginning and 124.3MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.73ms. Allocated memory is still 176.2MB. Free memory was 124.3MB in the beginning and 122.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 336.14ms. Allocated memory is still 176.2MB. Free memory was 122.3MB in the beginning and 109.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 876.33ms. Allocated memory is still 176.2MB. Free memory was 108.3MB in the beginning and 123.1MB in the end (delta: -14.8MB). There was no memory consumed. 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: 51]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 32, overapproximation of someBinaryDOUBLEComparisonOperation at line 38, overapproximation of to_real at line 18, overapproximation of someBinaryArithmeticFLOAToperation at line 36. Possible FailurePath: [L1] int __return_main; [L12] int __return_132; VAL [\old(__return_132)=50, \old(__return_main)=52, __return_132=0, __return_main=0] [L15] int main__i; [L16] float main__z; [L17] float main__t; [L18] float main__min[5] = { 5, 10, 12, 30, 150 }; [L19] float main__max[5] = { 10, 12, 30, 150, 300 }; [L20] main__t = __VERIFIER_nondet_float() [L21] int main____CPAchecker_TMP_0; [L22] EXPR main__min[0] VAL [\old(__return_132)=0, __return_132=0, __return_main=0, main__max={5:0}, main__min={4:0}, main__min[0]=60] [L22] COND TRUE main__t >= (main__min[0]) [L24] EXPR main__max[4UL] VAL [\old(__return_132)=0, __return_132=0, __return_main=0, main__max={5:0}, main__max[4UL]=59, main__min={4:0}] [L24] COND TRUE main__t <= (main__max[4UL]) [L26] main____CPAchecker_TMP_0 = 1 VAL [\old(__return_132)=0, __return_132=0, __return_main=0, main____CPAchecker_TMP_0=1, main__max={5:0}, main__min={4:0}] [L27] COND TRUE main____CPAchecker_TMP_0 != 0 [L29] main__i = 0 VAL [\old(__return_132)=0, __return_132=0, __return_main=0, main____CPAchecker_TMP_0=1, main__i=0, main__max={5:0}, main__min={4:0}] [L30] COND TRUE main__i < 5UL [L32] EXPR main__max[main__i] VAL [\old(__return_132)=0, __return_132=0, __return_main=0, main____CPAchecker_TMP_0=1, main__i=0, main__max={5:0}, main__max[main__i]=61, main__min={4:0}] [L32] COND TRUE main__t <= (main__max[main__i]) [L36] EXPR main__min[main__i] [L36] EXPR main__max[main__i] [L36] EXPR main__min[main__i] [L36] main__z = (main__t - (main__min[main__i])) / ((main__max[main__i]) - (main__min[main__i])) [L37] int main____CPAchecker_TMP_1; VAL [\old(__return_132)=0, __return_132=0, __return_main=0, main____CPAchecker_TMP_0=1, main__i=0, main__max={5:0}, main__min={4:0}] [L38] COND FALSE !(main__z >= 0.0) VAL [\old(__return_132)=0, __return_132=0, __return_main=0, main____CPAchecker_TMP_0=1, main__i=0, main__max={5:0}, main__min={4:0}] [L64] main____CPAchecker_TMP_1 = 0 VAL [\old(__return_132)=0, __return_132=0, __return_main=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__i=0, main__max={5:0}, main__min={4:0}] [L45] int __tmp_1; [L46] __tmp_1 = main____CPAchecker_TMP_1 [L47] int __VERIFIER_assert__cond; [L48] __VERIFIER_assert__cond = __tmp_1 VAL [\old(__return_132)=0, __VERIFIER_assert__cond=0, __return_132=0, __return_main=0, __tmp_1=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__i=0, main__max={5:0}, main__min={4:0}] [L49] COND TRUE __VERIFIER_assert__cond == 0 VAL [\old(__return_132)=0, __VERIFIER_assert__cond=0, __return_132=0, __return_main=0, __tmp_1=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__i=0, main__max={5:0}, main__min={4:0}] [L51] reach_error() VAL [\old(__return_132)=0, __VERIFIER_assert__cond=0, __return_132=0, __return_main=0, __tmp_1=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__i=0, main__max={5:0}, main__min={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 73 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 73 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 10 mSDtfsCounter, 119 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 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 [2023-03-31 00:02:09,171 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...