./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 26d01a9c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6d6de59cf2b416f7340c8c861064933450d6034e9a050a1b7fe5107e8fa4152f --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-18 08:19:54,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 08:19:54,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 08:19:54,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 08:19:54,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 08:19:54,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 08:19:54,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 08:19:54,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 08:19:54,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 08:19:54,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 08:19:54,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 08:19:54,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 08:19:54,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 08:19:54,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 08:19:54,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 08:19:54,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 08:19:54,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 08:19:54,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 08:19:54,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 08:19:54,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 08:19:54,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 08:19:54,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 08:19:54,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 08:19:54,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 08:19:54,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 08:19:54,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 08:19:54,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 08:19:54,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 08:19:54,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 08:19:54,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 08:19:54,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 08:19:54,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 08:19:54,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 08:19:54,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 08:19:54,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 08:19:54,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 08:19:54,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 08:19:54,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 08:19:54,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 08:19:54,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 08:19:54,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 08:19:54,212 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-18 08:19:54,230 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 08:19:54,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 08:19:54,230 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 08:19:54,231 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 08:19:54,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 08:19:54,232 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 08:19:54,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 08:19:54,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 08:19:54,232 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 08:19:54,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 08:19:54,233 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 08:19:54,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 08:19:54,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 08:19:54,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-18 08:19:54,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 08:19:54,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-18 08:19:54,234 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-18 08:19:54,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 08:19:54,234 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 08:19:54,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-18 08:19:54,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 08:19:54,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 08:19:54,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 08:19:54,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 08:19:54,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 08:19:54,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 08:19:54,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-18 08:19:54,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 08:19:54,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 08:19:54,237 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 08:19:54,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-18 08:19:54,237 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 08:19:54,237 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 08:19:54,237 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 08:19:54,238 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d6de59cf2b416f7340c8c861064933450d6034e9a050a1b7fe5107e8fa4152f [2023-02-18 08:19:54,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 08:19:54,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 08:19:54,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 08:19:54,464 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 08:19:54,465 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 08:19:54,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c [2023-02-18 08:19:55,562 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 08:19:55,732 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 08:19:55,732 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c [2023-02-18 08:19:55,737 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0d7da84b/e097e41c78864aa89dd2941f0c02cfa3/FLAG58f0d4ed7 [2023-02-18 08:19:55,754 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0d7da84b/e097e41c78864aa89dd2941f0c02cfa3 [2023-02-18 08:19:55,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 08:19:55,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 08:19:55,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 08:19:55,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 08:19:55,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 08:19:55,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 08:19:55" (1/1) ... [2023-02-18 08:19:55,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d82cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:55, skipping insertion in model container [2023-02-18 08:19:55,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 08:19:55" (1/1) ... [2023-02-18 08:19:55,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 08:19:55,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 08:19:55,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 08:19:55,924 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 08:19:55,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 08:19:55,947 INFO L208 MainTranslator]: Completed translation [2023-02-18 08:19:55,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:55 WrapperNode [2023-02-18 08:19:55,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 08:19:55,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 08:19:55,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 08:19:55,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 08:19:55,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:55" (1/1) ... [2023-02-18 08:19:55,959 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:55" (1/1) ... [2023-02-18 08:19:55,970 INFO L138 Inliner]: procedures = 5, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2023-02-18 08:19:55,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 08:19:55,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 08:19:55,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 08:19:55,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 08:19:55,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:55" (1/1) ... [2023-02-18 08:19:55,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:55" (1/1) ... [2023-02-18 08:19:55,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:55" (1/1) ... [2023-02-18 08:19:55,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:55" (1/1) ... [2023-02-18 08:19:55,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:55" (1/1) ... [2023-02-18 08:19:55,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:55" (1/1) ... [2023-02-18 08:19:55,986 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:55" (1/1) ... [2023-02-18 08:19:55,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:55" (1/1) ... [2023-02-18 08:19:55,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 08:19:55,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 08:19:55,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 08:19:55,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 08:19:55,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:55" (1/1) ... [2023-02-18 08:19:55,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 08:19:56,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:19:56,017 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) [2023-02-18 08:19:56,022 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 [2023-02-18 08:19:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 08:19:56,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 08:19:56,089 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 08:19:56,090 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 08:19:56,167 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 08:19:56,173 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 08:19:56,173 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-18 08:19:56,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 08:19:56 BoogieIcfgContainer [2023-02-18 08:19:56,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 08:19:56,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 08:19:56,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 08:19:56,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 08:19:56,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 08:19:55" (1/3) ... [2023-02-18 08:19:56,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431616cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 08:19:56, skipping insertion in model container [2023-02-18 08:19:56,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:19:55" (2/3) ... [2023-02-18 08:19:56,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431616cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 08:19:56, skipping insertion in model container [2023-02-18 08:19:56,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 08:19:56" (3/3) ... [2023-02-18 08:19:56,182 INFO L112 eAbstractionObserver]: Analyzing ICFG java_LogBuiltIn.c [2023-02-18 08:19:56,196 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 08:19:56,196 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-02-18 08:19:56,233 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 08:19:56,239 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;@4b9a45b5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 08:19:56,239 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-02-18 08:19:56,243 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 15 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) [2023-02-18 08:19:56,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-02-18 08:19:56,246 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:19:56,246 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-02-18 08:19:56,247 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 08:19:56,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:19:56,251 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2023-02-18 08:19:56,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:19:56,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968849827] [2023-02-18 08:19:56,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:19:56,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:19:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:19:56,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:19:56,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:19:56,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968849827] [2023-02-18 08:19:56,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968849827] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:19:56,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:19:56,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-18 08:19:56,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544085525] [2023-02-18 08:19:56,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:19:56,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-18 08:19:56,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:19:56,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-18 08:19:56,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-18 08:19:56,427 INFO L87 Difference]: Start difference. First operand has 16 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 15 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) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-02-18 08:19:56,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:19:56,455 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2023-02-18 08:19:56,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-18 08:19:56,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2023-02-18 08:19:56,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:19:56,463 INFO L225 Difference]: With dead ends: 21 [2023-02-18 08:19:56,463 INFO L226 Difference]: Without dead ends: 10 [2023-02-18 08:19:56,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-18 08:19:56,468 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 2 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:19:56,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 21 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:19:56,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-02-18 08:19:56,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-02-18 08:19:56,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 9 states have internal predecessors, (10), 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) [2023-02-18 08:19:56,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-02-18 08:19:56,492 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 4 [2023-02-18 08:19:56,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:19:56,493 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2023-02-18 08:19:56,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-02-18 08:19:56,493 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-02-18 08:19:56,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-18 08:19:56,494 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:19:56,494 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-18 08:19:56,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-18 08:19:56,494 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 08:19:56,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:19:56,495 INFO L85 PathProgramCache]: Analyzing trace with hash 28699721, now seen corresponding path program 1 times [2023-02-18 08:19:56,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:19:56,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343401994] [2023-02-18 08:19:56,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:19:56,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:19:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:19:56,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:19:56,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:19:56,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343401994] [2023-02-18 08:19:56,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343401994] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:19:56,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:19:56,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 08:19:56,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745662235] [2023-02-18 08:19:56,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:19:56,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 08:19:56,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:19:56,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 08:19:56,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-18 08:19:56,687 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2023-02-18 08:19:56,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:19:56,723 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2023-02-18 08:19:56,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 08:19:56,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2023-02-18 08:19:56,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:19:56,724 INFO L225 Difference]: With dead ends: 10 [2023-02-18 08:19:56,724 INFO L226 Difference]: Without dead ends: 9 [2023-02-18 08:19:56,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-18 08:19:56,726 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:19:56,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 11 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:19:56,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-02-18 08:19:56,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-02-18 08:19:56,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 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) [2023-02-18 08:19:56,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-02-18 08:19:56,729 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-02-18 08:19:56,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:19:56,729 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-02-18 08:19:56,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2023-02-18 08:19:56,730 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-02-18 08:19:56,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-18 08:19:56,730 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:19:56,730 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-18 08:19:56,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-18 08:19:56,731 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 08:19:56,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:19:56,731 INFO L85 PathProgramCache]: Analyzing trace with hash 889691398, now seen corresponding path program 1 times [2023-02-18 08:19:56,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:19:56,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083216702] [2023-02-18 08:19:56,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:19:56,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:19:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:19:56,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:19:56,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:19:56,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083216702] [2023-02-18 08:19:56,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083216702] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:19:56,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:19:56,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 08:19:56,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83329008] [2023-02-18 08:19:56,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:19:56,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 08:19:56,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:19:56,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 08:19:56,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 08:19:56,815 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2023-02-18 08:19:56,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:19:56,845 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2023-02-18 08:19:56,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 08:19:56,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 6 [2023-02-18 08:19:56,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:19:56,849 INFO L225 Difference]: With dead ends: 9 [2023-02-18 08:19:56,849 INFO L226 Difference]: Without dead ends: 8 [2023-02-18 08:19:56,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-18 08:19:56,860 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 5 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:19:56,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 8 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:19:56,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2023-02-18 08:19:56,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-02-18 08:19:56,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2023-02-18 08:19:56,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-02-18 08:19:56,871 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2023-02-18 08:19:56,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:19:56,872 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-02-18 08:19:56,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2023-02-18 08:19:56,872 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-02-18 08:19:56,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-18 08:19:56,873 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:19:56,874 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:19:56,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-18 08:19:56,874 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 08:19:56,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:19:56,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1810629611, now seen corresponding path program 1 times [2023-02-18 08:19:56,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:19:56,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49762016] [2023-02-18 08:19:56,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:19:56,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:19:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:19:56,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:19:56,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:19:56,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49762016] [2023-02-18 08:19:56,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49762016] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:19:56,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:19:56,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 08:19:56,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028504952] [2023-02-18 08:19:56,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:19:56,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 08:19:56,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:19:56,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 08:19:56,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 08:19:56,941 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2023-02-18 08:19:56,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:19:56,967 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-02-18 08:19:56,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 08:19:56,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2023-02-18 08:19:56,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:19:56,969 INFO L225 Difference]: With dead ends: 14 [2023-02-18 08:19:56,970 INFO L226 Difference]: Without dead ends: 13 [2023-02-18 08:19:56,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-18 08:19:56,972 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:19:56,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:19:56,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-02-18 08:19:56,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-02-18 08:19:56,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 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) [2023-02-18 08:19:56,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2023-02-18 08:19:56,980 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 7 [2023-02-18 08:19:56,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:19:56,980 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2023-02-18 08:19:56,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2023-02-18 08:19:56,980 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2023-02-18 08:19:56,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-18 08:19:56,981 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:19:56,981 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1] [2023-02-18 08:19:56,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-18 08:19:56,982 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 08:19:56,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:19:56,982 INFO L85 PathProgramCache]: Analyzing trace with hash -646531742, now seen corresponding path program 1 times [2023-02-18 08:19:56,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:19:56,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307664791] [2023-02-18 08:19:56,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:19:56,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:19:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:19:57,095 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:19:57,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:19:57,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307664791] [2023-02-18 08:19:57,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307664791] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 08:19:57,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050102868] [2023-02-18 08:19:57,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:19:57,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 08:19:57,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:19:57,109 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 08:19:57,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-18 08:19:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:19:57,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-18 08:19:57,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 08:19:57,194 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:19:57,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 08:19:57,242 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:19:57,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050102868] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 08:19:57,243 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 08:19:57,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-02-18 08:19:57,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158630467] [2023-02-18 08:19:57,243 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 08:19:57,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-02-18 08:19:57,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:19:57,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-02-18 08:19:57,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-02-18 08:19:57,245 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 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) [2023-02-18 08:19:57,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:19:57,309 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2023-02-18 08:19:57,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-02-18 08:19:57,310 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 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 [2023-02-18 08:19:57,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:19:57,312 INFO L225 Difference]: With dead ends: 29 [2023-02-18 08:19:57,312 INFO L226 Difference]: Without dead ends: 28 [2023-02-18 08:19:57,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2023-02-18 08:19:57,319 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 14 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:19:57,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 22 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:19:57,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2023-02-18 08:19:57,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2023-02-18 08:19:57,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.037037037037037) internal successors, (28), 27 states have internal predecessors, (28), 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) [2023-02-18 08:19:57,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2023-02-18 08:19:57,324 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 12 [2023-02-18 08:19:57,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:19:57,324 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2023-02-18 08:19:57,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 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) [2023-02-18 08:19:57,324 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2023-02-18 08:19:57,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-02-18 08:19:57,325 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:19:57,325 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1, 1] [2023-02-18 08:19:57,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-18 08:19:57,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 08:19:57,526 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 08:19:57,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:19:57,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1214197931, now seen corresponding path program 2 times [2023-02-18 08:19:57,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:19:57,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316106475] [2023-02-18 08:19:57,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:19:57,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:19:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:19:57,742 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:19:57,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:19:57,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316106475] [2023-02-18 08:19:57,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316106475] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 08:19:57,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456495335] [2023-02-18 08:19:57,743 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-18 08:19:57,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 08:19:57,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:19:57,744 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 08:19:57,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-18 08:19:57,791 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-18 08:19:57,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 08:19:57,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjunts are in the unsatisfiable core [2023-02-18 08:19:57,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 08:19:57,847 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:19:57,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 08:19:57,983 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:19:57,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456495335] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 08:19:57,983 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 08:19:57,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2023-02-18 08:19:57,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979196288] [2023-02-18 08:19:57,984 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 08:19:57,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-02-18 08:19:57,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:19:57,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-02-18 08:19:57,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2023-02-18 08:19:57,989 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand has 22 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 22 states have internal predecessors, (53), 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) [2023-02-18 08:19:58,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:19:58,120 INFO L93 Difference]: Finished difference Result 59 states and 64 transitions. [2023-02-18 08:19:58,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-02-18 08:19:58,121 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 22 states have internal predecessors, (53), 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 27 [2023-02-18 08:19:58,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:19:58,123 INFO L225 Difference]: With dead ends: 59 [2023-02-18 08:19:58,123 INFO L226 Difference]: Without dead ends: 58 [2023-02-18 08:19:58,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 39 SyntacticMatches, 4 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=306, Invalid=686, Unknown=0, NotChecked=0, Total=992 [2023-02-18 08:19:58,127 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 58 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:19:58,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 37 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:19:58,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-02-18 08:19:58,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-02-18 08:19:58,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.0175438596491229) internal successors, (58), 57 states have internal predecessors, (58), 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) [2023-02-18 08:19:58,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2023-02-18 08:19:58,140 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 27 [2023-02-18 08:19:58,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:19:58,141 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2023-02-18 08:19:58,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 22 states have internal predecessors, (53), 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) [2023-02-18 08:19:58,142 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2023-02-18 08:19:58,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-02-18 08:19:58,146 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:19:58,146 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 1, 1, 1] [2023-02-18 08:19:58,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-18 08:19:58,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-02-18 08:19:58,352 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 08:19:58,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:19:58,352 INFO L85 PathProgramCache]: Analyzing trace with hash -869666869, now seen corresponding path program 3 times [2023-02-18 08:19:58,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:19:58,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552855011] [2023-02-18 08:19:58,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:19:58,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:19:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:19:58,885 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:19:58,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:19:58,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552855011] [2023-02-18 08:19:58,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552855011] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 08:19:58,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135814217] [2023-02-18 08:19:58,887 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-18 08:19:58,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 08:19:58,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:19:58,888 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 08:19:58,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-18 08:19:58,951 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-18 08:19:58,952 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 08:19:58,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 23 conjunts are in the unsatisfiable core [2023-02-18 08:19:58,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 08:19:59,076 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:19:59,076 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 08:19:59,548 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:19:59,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135814217] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 08:19:59,549 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 08:19:59,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2023-02-18 08:19:59,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530390220] [2023-02-18 08:19:59,549 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 08:19:59,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-02-18 08:19:59,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:19:59,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-02-18 08:19:59,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2023-02-18 08:19:59,552 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand has 46 states, 45 states have (on average 2.511111111111111) internal successors, (113), 46 states have internal predecessors, (113), 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) [2023-02-18 08:19:59,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:19:59,934 INFO L93 Difference]: Finished difference Result 119 states and 130 transitions. [2023-02-18 08:19:59,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-02-18 08:19:59,934 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 2.511111111111111) internal successors, (113), 46 states have internal predecessors, (113), 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 57 [2023-02-18 08:19:59,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:19:59,936 INFO L225 Difference]: With dead ends: 119 [2023-02-18 08:19:59,936 INFO L226 Difference]: Without dead ends: 118 [2023-02-18 08:19:59,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 81 SyntacticMatches, 10 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1007 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1332, Invalid=3224, Unknown=0, NotChecked=0, Total=4556 [2023-02-18 08:19:59,938 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 108 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 08:19:59,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 72 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 08:19:59,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-02-18 08:19:59,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2023-02-18 08:19:59,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.0085470085470085) internal successors, (118), 117 states have internal predecessors, (118), 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) [2023-02-18 08:19:59,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 118 transitions. [2023-02-18 08:19:59,947 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 118 transitions. Word has length 57 [2023-02-18 08:19:59,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:19:59,948 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 118 transitions. [2023-02-18 08:19:59,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 2.511111111111111) internal successors, (113), 46 states have internal predecessors, (113), 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) [2023-02-18 08:19:59,948 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 118 transitions. [2023-02-18 08:19:59,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-02-18 08:19:59,949 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:19:59,950 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 1, 1, 1] [2023-02-18 08:19:59,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-18 08:20:00,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 08:20:00,156 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 08:20:00,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:20:00,157 INFO L85 PathProgramCache]: Analyzing trace with hash 389269003, now seen corresponding path program 4 times [2023-02-18 08:20:00,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:20:00,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579800972] [2023-02-18 08:20:00,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:20:00,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:20:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:20:01,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:20:01,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:20:01,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579800972] [2023-02-18 08:20:01,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579800972] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 08:20:01,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935691310] [2023-02-18 08:20:01,570 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-18 08:20:01,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 08:20:01,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:20:01,577 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 08:20:01,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-18 08:20:01,688 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-18 08:20:01,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 08:20:01,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 47 conjunts are in the unsatisfiable core [2023-02-18 08:20:01,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 08:20:02,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:20:02,050 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 08:20:03,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:20:03,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935691310] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 08:20:03,711 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 08:20:03,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 93 [2023-02-18 08:20:03,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707028500] [2023-02-18 08:20:03,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 08:20:03,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2023-02-18 08:20:03,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:20:03,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2023-02-18 08:20:03,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2023-02-18 08:20:03,723 INFO L87 Difference]: Start difference. First operand 118 states and 118 transitions. Second operand has 94 states, 93 states have (on average 2.5053763440860215) internal successors, (233), 94 states have internal predecessors, (233), 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) [2023-02-18 08:20:05,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:20:05,105 INFO L93 Difference]: Finished difference Result 239 states and 262 transitions. [2023-02-18 08:20:05,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-02-18 08:20:05,106 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 93 states have (on average 2.5053763440860215) internal successors, (233), 94 states have internal predecessors, (233), 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 117 [2023-02-18 08:20:05,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:20:05,108 INFO L225 Difference]: With dead ends: 239 [2023-02-18 08:20:05,108 INFO L226 Difference]: Without dead ends: 238 [2023-02-18 08:20:05,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 165 SyntacticMatches, 22 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4721 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=5544, Invalid=13916, Unknown=0, NotChecked=0, Total=19460 [2023-02-18 08:20:05,125 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 282 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-18 08:20:05,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 117 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-18 08:20:05,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-02-18 08:20:05,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2023-02-18 08:20:05,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 237 states have (on average 1.0042194092827004) internal successors, (238), 237 states have internal predecessors, (238), 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) [2023-02-18 08:20:05,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 238 transitions. [2023-02-18 08:20:05,148 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 238 transitions. Word has length 117 [2023-02-18 08:20:05,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:20:05,149 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 238 transitions. [2023-02-18 08:20:05,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 2.5053763440860215) internal successors, (233), 94 states have internal predecessors, (233), 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) [2023-02-18 08:20:05,149 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 238 transitions. [2023-02-18 08:20:05,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-02-18 08:20:05,158 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:20:05,159 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 1, 1, 1] [2023-02-18 08:20:05,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-18 08:20:05,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 08:20:05,365 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 08:20:05,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:20:05,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1928277365, now seen corresponding path program 5 times [2023-02-18 08:20:05,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:20:05,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8756109] [2023-02-18 08:20:05,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:20:05,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:20:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:20:13,161 INFO L134 CoverageAnalysis]: Checked inductivity of 5405 backedges. 4741 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2023-02-18 08:20:13,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:20:13,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8756109] [2023-02-18 08:20:13,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8756109] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:20:13,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:20:13,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [63] imperfect sequences [] total 63 [2023-02-18 08:20:13,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337445345] [2023-02-18 08:20:13,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:20:13,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2023-02-18 08:20:13,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:20:13,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2023-02-18 08:20:13,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1488, Invalid=2418, Unknown=0, NotChecked=0, Total=3906 [2023-02-18 08:20:13,167 INFO L87 Difference]: Start difference. First operand 238 states and 238 transitions. Second operand has 63 states, 63 states have (on average 2.5238095238095237) internal successors, (159), 63 states have internal predecessors, (159), 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) [2023-02-18 08:20:13,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:20:13,477 INFO L93 Difference]: Finished difference Result 238 states and 238 transitions. [2023-02-18 08:20:13,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-02-18 08:20:13,477 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 2.5238095238095237) internal successors, (159), 63 states have internal predecessors, (159), 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 237 [2023-02-18 08:20:13,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:20:13,478 INFO L225 Difference]: With dead ends: 238 [2023-02-18 08:20:13,478 INFO L226 Difference]: Without dead ends: 0 [2023-02-18 08:20:13,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 2 SyntacticMatches, 30 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1488, Invalid=2418, Unknown=0, NotChecked=0, Total=3906 [2023-02-18 08:20:13,481 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-18 08:20:13,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 474 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-18 08:20:13,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-18 08:20:13,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-18 08:20:13,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2023-02-18 08:20:13,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-18 08:20:13,483 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 237 [2023-02-18 08:20:13,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:20:13,483 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-18 08:20:13,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.5238095238095237) internal successors, (159), 63 states have internal predecessors, (159), 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) [2023-02-18 08:20:13,484 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-18 08:20:13,484 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-18 08:20:13,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-02-18 08:20:13,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-02-18 08:20:13,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-02-18 08:20:13,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-02-18 08:20:13,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-02-18 08:20:13,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-18 08:20:13,495 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 9) no Hoare annotation was computed. [2023-02-18 08:20:13,495 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-18 08:20:13,495 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2023-02-18 08:20:13,496 INFO L902 garLoopResultBuilder]: At program point mlog_returnLabel#1(lines 3 16) the Hoare annotation is: true [2023-02-18 08:20:13,496 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-18 08:20:13,496 INFO L899 garLoopResultBuilder]: For program point L9(line 9) no Hoare annotation was computed. [2023-02-18 08:20:13,496 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 18 20) the Hoare annotation is: true [2023-02-18 08:20:13,496 INFO L899 garLoopResultBuilder]: For program point L9-1(line 9) no Hoare annotation was computed. [2023-02-18 08:20:13,498 INFO L895 garLoopResultBuilder]: At program point L7-2(lines 7 12) the Hoare annotation is: (let ((.cse3 (< |ULTIMATE.start_mlog_~res~0#1| 2147483647)) (.cse2 (< |ULTIMATE.start_mlog_~res~0#1| 2147483646)) (.cse4 (< |ULTIMATE.start_mlog_~res~0#1| 2147483645)) (.cse6 (< |ULTIMATE.start_mlog_~res~0#1| 2147483643)) (.cse5 (< |ULTIMATE.start_mlog_~res~0#1| 2147483644)) (.cse0 (<= 0 |ULTIMATE.start_mlog_~res~0#1|)) (.cse1 (<= |ULTIMATE.start_mlog_~x#1| 2147483647))) (or (and .cse0 (< |ULTIMATE.start_mlog_~res~0#1| 2147483626) (<= |ULTIMATE.start_mlog_~x#1| 127) .cse1) (and .cse0 (<= |ULTIMATE.start_mlog_~res~0#1| 0) .cse1) (and .cse0 .cse2 (<= |ULTIMATE.start_mlog_~res~0#1| 8) .cse1 (<= |ULTIMATE.start_mlog_~x#1| 8388607)) (and (< |ULTIMATE.start_mlog_~res~0#1| 2147483640) (<= |ULTIMATE.start_mlog_~x#1| 131071) .cse0 (<= |ULTIMATE.start_mlog_~res~0#1| 14) .cse1) (and .cse0 (<= |ULTIMATE.start_mlog_~x#1| 2047) .cse2 (<= |ULTIMATE.start_mlog_~res~0#1| 20) .cse1) (and .cse0 (< |ULTIMATE.start_mlog_~res~0#1| 2147483629) (<= |ULTIMATE.start_mlog_~x#1| 15) .cse1) (and .cse3 .cse0 (<= |ULTIMATE.start_mlog_~x#1| 1023) .cse1 (<= |ULTIMATE.start_mlog_~res~0#1| 21)) (and .cse0 (< |ULTIMATE.start_mlog_~res~0#1| 2147483630) (<= |ULTIMATE.start_mlog_~x#1| 7) .cse1) (and .cse0 (<= |ULTIMATE.start_mlog_~res~0#1| 1) .cse1 (<= |ULTIMATE.start_mlog_~x#1| 1073741823)) (and .cse0 (<= |ULTIMATE.start_mlog_~x#1| 16777215) .cse4 .cse1 (<= |ULTIMATE.start_mlog_~res~0#1| 7)) (and .cse0 (<= |ULTIMATE.start_mlog_~x#1| 65535) (<= |ULTIMATE.start_mlog_~res~0#1| 15) (< |ULTIMATE.start_mlog_~res~0#1| 2147483641) .cse1) (and (< |ULTIMATE.start_mlog_~res~0#1| 2147483625) .cse0 (<= |ULTIMATE.start_mlog_~x#1| 255) .cse1) (and .cse0 (< |ULTIMATE.start_mlog_~res~0#1| 2147483627) (<= |ULTIMATE.start_mlog_~x#1| 63) .cse1) (and .cse3 .cse0 (<= |ULTIMATE.start_mlog_~x#1| 268435455) (<= |ULTIMATE.start_mlog_~res~0#1| 3) .cse1) (and .cse3 .cse0 (<= |ULTIMATE.start_mlog_~res~0#1| 9) (<= |ULTIMATE.start_mlog_~x#1| 4194303) .cse1) (and (<= |ULTIMATE.start_mlog_~res~0#1| 12) .cse0 (< |ULTIMATE.start_mlog_~res~0#1| 2147483638) (<= |ULTIMATE.start_mlog_~x#1| 524287) .cse1) (and .cse0 (<= |ULTIMATE.start_mlog_~x#1| 3) (< |ULTIMATE.start_mlog_~res~0#1| 2147483631) .cse1) (and (< |ULTIMATE.start_mlog_~res~0#1| 2147483628) .cse0 (<= |ULTIMATE.start_mlog_~x#1| 31) .cse1) (and .cse0 (<= |ULTIMATE.start_mlog_~x#1| 536870911) .cse2 (<= |ULTIMATE.start_mlog_~res~0#1| 2) .cse1) (and .cse0 (< |ULTIMATE.start_mlog_~res~0#1| 2147483642) (<= |ULTIMATE.start_mlog_~x#1| 32767) (<= |ULTIMATE.start_mlog_~res~0#1| 16) .cse1) (and .cse0 (<= |ULTIMATE.start_mlog_~res~0#1| 4) (<= |ULTIMATE.start_mlog_~x#1| 134217727) .cse1) (and (<= |ULTIMATE.start_mlog_~x#1| 1048575) (<= |ULTIMATE.start_mlog_~res~0#1| 11) .cse0 (< |ULTIMATE.start_mlog_~res~0#1| 2147483637) .cse1) (and (<= |ULTIMATE.start_mlog_~x#1| 511) .cse0 (<= |ULTIMATE.start_mlog_~res~0#1| 22) .cse1) (and (<= |ULTIMATE.start_mlog_~res~0#1| 18) .cse0 (<= |ULTIMATE.start_mlog_~x#1| 8191) .cse5 .cse1) (and (<= |ULTIMATE.start_mlog_~x#1| 4095) .cse0 .cse4 (<= |ULTIMATE.start_mlog_~res~0#1| 19) .cse1) (and .cse0 (<= |ULTIMATE.start_mlog_~x#1| 2097151) (<= |ULTIMATE.start_mlog_~res~0#1| 10) .cse1) (and (<= |ULTIMATE.start_mlog_~res~0#1| 13) .cse0 (<= |ULTIMATE.start_mlog_~x#1| 262143) (< |ULTIMATE.start_mlog_~res~0#1| 2147483639) .cse1) (and .cse6 .cse0 (<= |ULTIMATE.start_mlog_~res~0#1| 5) .cse1 (<= |ULTIMATE.start_mlog_~x#1| 67108863)) (and .cse6 (<= |ULTIMATE.start_mlog_~x#1| 16383) .cse0 .cse1 (<= |ULTIMATE.start_mlog_~res~0#1| 17)) (and .cse0 (<= |ULTIMATE.start_mlog_~res~0#1| 6) (<= |ULTIMATE.start_mlog_~x#1| 33554431) .cse5 .cse1) (and .cse0 (<= |ULTIMATE.start_mlog_~x#1| 1) (< |ULTIMATE.start_mlog_~res~0#1| 2147483632) .cse1))) [2023-02-18 08:20:13,498 INFO L899 garLoopResultBuilder]: For program point L7-3(lines 7 12) no Hoare annotation was computed. [2023-02-18 08:20:13,498 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-18 08:20:13,498 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 9) no Hoare annotation was computed. [2023-02-18 08:20:13,499 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2023-02-18 08:20:13,499 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-18 08:20:13,499 INFO L899 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2023-02-18 08:20:13,499 INFO L899 garLoopResultBuilder]: For program point L10-1(line 10) no Hoare annotation was computed. [2023-02-18 08:20:13,502 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1] [2023-02-18 08:20:13,505 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-18 08:20:13,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 08:20:13 BoogieIcfgContainer [2023-02-18 08:20:13,550 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-18 08:20:13,551 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-18 08:20:13,551 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-18 08:20:13,551 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-18 08:20:13,552 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 08:19:56" (3/4) ... [2023-02-18 08:20:13,554 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-18 08:20:13,563 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-02-18 08:20:13,563 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-18 08:20:13,564 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-18 08:20:13,603 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-18 08:20:13,603 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-18 08:20:13,604 INFO L158 Benchmark]: Toolchain (without parser) took 17846.31ms. Allocated memory was 153.1MB in the beginning and 471.9MB in the end (delta: 318.8MB). Free memory was 107.3MB in the beginning and 434.9MB in the end (delta: -327.6MB). Peak memory consumption was 273.0MB. Max. memory is 16.1GB. [2023-02-18 08:20:13,604 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 153.1MB. Free memory is still 123.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 08:20:13,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 188.90ms. Allocated memory is still 153.1MB. Free memory was 107.3MB in the beginning and 98.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-18 08:20:13,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.32ms. Allocated memory is still 153.1MB. Free memory was 98.1MB in the beginning and 96.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 08:20:13,604 INFO L158 Benchmark]: Boogie Preprocessor took 19.46ms. Allocated memory is still 153.1MB. Free memory was 96.8MB in the beginning and 96.0MB in the end (delta: 861.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 08:20:13,605 INFO L158 Benchmark]: RCFGBuilder took 182.11ms. Allocated memory is still 153.1MB. Free memory was 95.6MB in the beginning and 86.7MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-18 08:20:13,605 INFO L158 Benchmark]: TraceAbstraction took 17373.98ms. Allocated memory was 153.1MB in the beginning and 471.9MB in the end (delta: 318.8MB). Free memory was 85.9MB in the beginning and 156.4MB in the end (delta: -70.5MB). Peak memory consumption was 249.5MB. Max. memory is 16.1GB. [2023-02-18 08:20:13,606 INFO L158 Benchmark]: Witness Printer took 52.05ms. Allocated memory is still 471.9MB. Free memory was 156.4MB in the beginning and 434.9MB in the end (delta: -278.5MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2023-02-18 08:20:13,608 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 153.1MB. Free memory is still 123.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 188.90ms. Allocated memory is still 153.1MB. Free memory was 107.3MB in the beginning and 98.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.32ms. Allocated memory is still 153.1MB. Free memory was 98.1MB in the beginning and 96.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.46ms. Allocated memory is still 153.1MB. Free memory was 96.8MB in the beginning and 96.0MB in the end (delta: 861.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 182.11ms. Allocated memory is still 153.1MB. Free memory was 95.6MB in the beginning and 86.7MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 17373.98ms. Allocated memory was 153.1MB in the beginning and 471.9MB in the end (delta: 318.8MB). Free memory was 85.9MB in the beginning and 156.4MB in the end (delta: -70.5MB). Peak memory consumption was 249.5MB. Max. memory is 16.1GB. * Witness Printer took 52.05ms. Allocated memory is still 471.9MB. Free memory was 156.4MB in the beginning and 434.9MB in the end (delta: -278.5MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. * 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 - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 17.3s, OverallIterations: 9, TraceHistogramMax: 47, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 475 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 475 mSDsluCounter, 775 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 666 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1071 IncrementalHoareTripleChecker+Invalid, 1077 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 109 mSDtfsCounter, 1071 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 693 GetRequests, 309 SyntacticMatches, 68 SemanticMatches, 316 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6356 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=238occurred in iteration=8, InterpolantAutomatonStates: 250, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 36 NumberOfFragments, 457 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 12.9s InterpolantComputationTime, 685 NumberOfCodeBlocks, 685 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 881 ConstructedInterpolants, 0 QuantifiedInterpolants, 2977 SizeOfPredicates, 41 NumberOfNonLiveVariables, 487 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 5405/10190 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((0 <= res && res < 2147483626) && x <= 127) && x <= 2147483647) || ((0 <= res && res <= 0) && x <= 2147483647)) || ((((0 <= res && res < 2147483646) && res <= 8) && x <= 2147483647) && x <= 8388607)) || ((((res < 2147483640 && x <= 131071) && 0 <= res) && res <= 14) && x <= 2147483647)) || ((((0 <= res && x <= 2047) && res < 2147483646) && res <= 20) && x <= 2147483647)) || (((0 <= res && res < 2147483629) && x <= 15) && x <= 2147483647)) || ((((res < 2147483647 && 0 <= res) && x <= 1023) && x <= 2147483647) && res <= 21)) || (((0 <= res && res < 2147483630) && x <= 7) && x <= 2147483647)) || (((0 <= res && res <= 1) && x <= 2147483647) && x <= 1073741823)) || ((((0 <= res && x <= 16777215) && res < 2147483645) && x <= 2147483647) && res <= 7)) || ((((0 <= res && x <= 65535) && res <= 15) && res < 2147483641) && x <= 2147483647)) || (((res < 2147483625 && 0 <= res) && x <= 255) && x <= 2147483647)) || (((0 <= res && res < 2147483627) && x <= 63) && x <= 2147483647)) || ((((res < 2147483647 && 0 <= res) && x <= 268435455) && res <= 3) && x <= 2147483647)) || ((((res < 2147483647 && 0 <= res) && res <= 9) && x <= 4194303) && x <= 2147483647)) || ((((res <= 12 && 0 <= res) && res < 2147483638) && x <= 524287) && x <= 2147483647)) || (((0 <= res && x <= 3) && res < 2147483631) && x <= 2147483647)) || (((res < 2147483628 && 0 <= res) && x <= 31) && x <= 2147483647)) || ((((0 <= res && x <= 536870911) && res < 2147483646) && res <= 2) && x <= 2147483647)) || ((((0 <= res && res < 2147483642) && x <= 32767) && res <= 16) && x <= 2147483647)) || (((0 <= res && res <= 4) && x <= 134217727) && x <= 2147483647)) || ((((x <= 1048575 && res <= 11) && 0 <= res) && res < 2147483637) && x <= 2147483647)) || (((x <= 511 && 0 <= res) && res <= 22) && x <= 2147483647)) || ((((res <= 18 && 0 <= res) && x <= 8191) && res < 2147483644) && x <= 2147483647)) || ((((x <= 4095 && 0 <= res) && res < 2147483645) && res <= 19) && x <= 2147483647)) || (((0 <= res && x <= 2097151) && res <= 10) && x <= 2147483647)) || ((((res <= 13 && 0 <= res) && x <= 262143) && res < 2147483639) && x <= 2147483647)) || ((((res < 2147483643 && 0 <= res) && res <= 5) && x <= 2147483647) && x <= 67108863)) || ((((res < 2147483643 && x <= 16383) && 0 <= res) && x <= 2147483647) && res <= 17)) || ((((0 <= res && res <= 6) && x <= 33554431) && res < 2147483644) && x <= 2147483647)) || (((0 <= res && x <= 1) && res < 2147483632) && x <= 2147483647) RESULT: Ultimate proved your program to be correct! [2023-02-18 08:20:13,632 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE