./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-restricted-15/a.06.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-restricted-15/a.06.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 90244b6c2e1b1f029f80e9cfc86fb57c09347d52a85284d5d619fffbbf31f641 --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-18 08:34:32,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 08:34:32,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 08:34:32,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 08:34:32,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 08:34:32,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 08:34:32,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 08:34:32,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 08:34:32,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 08:34:32,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 08:34:32,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 08:34:32,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 08:34:32,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 08:34:32,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 08:34:32,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 08:34:32,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 08:34:32,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 08:34:32,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 08:34:32,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 08:34:32,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 08:34:32,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 08:34:32,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 08:34:32,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 08:34:32,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 08:34:32,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 08:34:32,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 08:34:32,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 08:34:32,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 08:34:32,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 08:34:32,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 08:34:32,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 08:34:32,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 08:34:32,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 08:34:32,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 08:34:32,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 08:34:32,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 08:34:32,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 08:34:32,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 08:34:32,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 08:34:32,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 08:34:32,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 08:34:32,313 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-18 08:34:32,336 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 08:34:32,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 08:34:32,337 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 08:34:32,337 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 08:34:32,338 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 08:34:32,338 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 08:34:32,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 08:34:32,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 08:34:32,339 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 08:34:32,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 08:34:32,339 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 08:34:32,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 08:34:32,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 08:34:32,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-18 08:34:32,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 08:34:32,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-18 08:34:32,340 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-18 08:34:32,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 08:34:32,341 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 08:34:32,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-18 08:34:32,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 08:34:32,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 08:34:32,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 08:34:32,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 08:34:32,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 08:34:32,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 08:34:32,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-18 08:34:32,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 08:34:32,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 08:34:32,343 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 08:34:32,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-18 08:34:32,343 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 08:34:32,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 08:34:32,343 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 08:34:32,343 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90244b6c2e1b1f029f80e9cfc86fb57c09347d52a85284d5d619fffbbf31f641 [2023-02-18 08:34:32,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 08:34:32,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 08:34:32,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 08:34:32,542 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 08:34:32,542 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 08:34:32,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/a.06.c [2023-02-18 08:34:33,612 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 08:34:33,807 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 08:34:33,807 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/a.06.c [2023-02-18 08:34:33,811 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cfefdcec/1afee143562a4f1b80f1aa7c80a28f1d/FLAGeec1488f9 [2023-02-18 08:34:33,819 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cfefdcec/1afee143562a4f1b80f1aa7c80a28f1d [2023-02-18 08:34:33,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 08:34:33,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 08:34:33,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 08:34:33,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 08:34:33,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 08:34:33,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 08:34:33" (1/1) ... [2023-02-18 08:34:33,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f4d4d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:34:33, skipping insertion in model container [2023-02-18 08:34:33,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 08:34:33" (1/1) ... [2023-02-18 08:34:33,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 08:34:33,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 08:34:33,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 08:34:33,929 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 08:34:33,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 08:34:33,947 INFO L208 MainTranslator]: Completed translation [2023-02-18 08:34:33,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:34:33 WrapperNode [2023-02-18 08:34:33,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 08:34:33,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 08:34:33,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 08:34:33,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 08:34:33,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:34:33" (1/1) ... [2023-02-18 08:34:33,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:34:33" (1/1) ... [2023-02-18 08:34:33,968 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2023-02-18 08:34:33,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 08:34:33,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 08:34:33,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 08:34:33,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 08:34:33,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:34:33" (1/1) ... [2023-02-18 08:34:33,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:34:33" (1/1) ... [2023-02-18 08:34:33,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:34:33" (1/1) ... [2023-02-18 08:34:33,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:34:33" (1/1) ... [2023-02-18 08:34:33,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:34:33" (1/1) ... [2023-02-18 08:34:33,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:34:33" (1/1) ... [2023-02-18 08:34:33,986 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:34:33" (1/1) ... [2023-02-18 08:34:33,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:34:33" (1/1) ... [2023-02-18 08:34:33,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 08:34:33,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 08:34:33,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 08:34:33,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 08:34:33,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:34:33" (1/1) ... [2023-02-18 08:34:33,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 08:34:34,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:34:34,026 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 08:34:34,043 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 08:34:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 08:34:34,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 08:34:34,100 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 08:34:34,101 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 08:34:34,210 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 08:34:34,214 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 08:34:34,215 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-18 08:34:34,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 08:34:34 BoogieIcfgContainer [2023-02-18 08:34:34,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 08:34:34,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 08:34:34,217 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 08:34:34,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 08:34:34,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 08:34:33" (1/3) ... [2023-02-18 08:34:34,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@321e229e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 08:34:34, skipping insertion in model container [2023-02-18 08:34:34,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:34:33" (2/3) ... [2023-02-18 08:34:34,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@321e229e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 08:34:34, skipping insertion in model container [2023-02-18 08:34:34,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 08:34:34" (3/3) ... [2023-02-18 08:34:34,221 INFO L112 eAbstractionObserver]: Analyzing ICFG a.06.c [2023-02-18 08:34:34,231 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 08:34:34,232 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-02-18 08:34:34,258 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 08:34:34,291 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;@22b344ff, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 08:34:34,291 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-02-18 08:34:34,296 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 34 states have internal predecessors, (40), 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 08:34:34,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-18 08:34:34,312 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:34:34,313 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-18 08:34:34,313 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 08:34:34,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:34:34,316 INFO L85 PathProgramCache]: Analyzing trace with hash 28695781, now seen corresponding path program 1 times [2023-02-18 08:34:34,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:34:34,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982885669] [2023-02-18 08:34:34,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:34:34,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:34:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:34:34,463 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 08:34:34,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:34:34,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982885669] [2023-02-18 08:34:34,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982885669] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:34:34,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:34:34,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-18 08:34:34,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104965298] [2023-02-18 08:34:34,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:34:34,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-18 08:34:34,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:34:34,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-18 08:34:34,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-18 08:34:34,493 INFO L87 Difference]: Start difference. First operand has 35 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 34 states have internal predecessors, (40), 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 2.5) internal successors, (5), 3 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 08:34:34,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:34:34,539 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2023-02-18 08:34:34,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-18 08:34:34,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 08:34:34,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:34:34,545 INFO L225 Difference]: With dead ends: 39 [2023-02-18 08:34:34,545 INFO L226 Difference]: Without dead ends: 29 [2023-02-18 08:34:34,547 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 08:34:34,553 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 32 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:34:34,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 20 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:34:34,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-02-18 08:34:34,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-02-18 08:34:34,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 28 states have internal predecessors, (33), 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 08:34:34,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2023-02-18 08:34:34,577 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 5 [2023-02-18 08:34:34,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:34:34,577 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2023-02-18 08:34:34,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 08:34:34,577 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2023-02-18 08:34:34,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-18 08:34:34,578 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:34:34,578 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-18 08:34:34,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-18 08:34:34,579 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 08:34:34,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:34:34,579 INFO L85 PathProgramCache]: Analyzing trace with hash 889569255, now seen corresponding path program 1 times [2023-02-18 08:34:34,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:34:34,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282079785] [2023-02-18 08:34:34,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:34:34,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:34:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:34:34,616 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 08:34:34,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:34:34,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282079785] [2023-02-18 08:34:34,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282079785] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:34:34,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:34:34,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 08:34:34,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071901333] [2023-02-18 08:34:34,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:34:34,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 08:34:34,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:34:34,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 08:34:34,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-18 08:34:34,619 INFO L87 Difference]: Start difference. First operand 29 states and 33 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 08:34:34,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:34:34,679 INFO L93 Difference]: Finished difference Result 52 states and 61 transitions. [2023-02-18 08:34:34,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 08:34:34,680 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 08:34:34,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:34:34,680 INFO L225 Difference]: With dead ends: 52 [2023-02-18 08:34:34,681 INFO L226 Difference]: Without dead ends: 49 [2023-02-18 08:34:34,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 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 08:34:34,682 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 48 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 08:34:34,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 44 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 08:34:34,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-02-18 08:34:34,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 45. [2023-02-18 08:34:34,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 38 states have (on average 1.5263157894736843) internal successors, (58), 44 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 08:34:34,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 58 transitions. [2023-02-18 08:34:34,687 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 58 transitions. Word has length 6 [2023-02-18 08:34:34,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:34:34,688 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 58 transitions. [2023-02-18 08:34:34,688 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 08:34:34,688 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2023-02-18 08:34:34,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-18 08:34:34,689 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:34:34,689 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:34:34,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-18 08:34:34,689 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 08:34:34,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:34:34,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1387049590, now seen corresponding path program 1 times [2023-02-18 08:34:34,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:34:34,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191166410] [2023-02-18 08:34:34,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:34:34,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:34:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:34:34,718 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 08:34:34,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:34:34,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191166410] [2023-02-18 08:34:34,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191166410] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:34:34,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:34:34,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 08:34:34,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430086391] [2023-02-18 08:34:34,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:34:34,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 08:34:34,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:34:34,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 08:34:34,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 08:34:34,721 INFO L87 Difference]: Start difference. First operand 45 states and 58 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 08:34:34,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:34:34,741 INFO L93 Difference]: Finished difference Result 101 states and 130 transitions. [2023-02-18 08:34:34,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-18 08:34:34,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) Word has length 9 [2023-02-18 08:34:34,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:34:34,742 INFO L225 Difference]: With dead ends: 101 [2023-02-18 08:34:34,742 INFO L226 Difference]: Without dead ends: 58 [2023-02-18 08:34:34,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 08:34:34,744 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 25 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:34:34,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 74 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:34:34,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-02-18 08:34:34,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 47. [2023-02-18 08:34:34,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 40 states have (on average 1.475) internal successors, (59), 46 states have internal predecessors, (59), 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 08:34:34,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 59 transitions. [2023-02-18 08:34:34,749 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 59 transitions. Word has length 9 [2023-02-18 08:34:34,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:34:34,749 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 59 transitions. [2023-02-18 08:34:34,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 08:34:34,749 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-02-18 08:34:34,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-18 08:34:34,750 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:34:34,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:34:34,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-18 08:34:34,750 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 08:34:34,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:34:34,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1387099210, now seen corresponding path program 1 times [2023-02-18 08:34:34,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:34:34,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869271677] [2023-02-18 08:34:34,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:34:34,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:34:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:34:34,775 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 08:34:34,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:34:34,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869271677] [2023-02-18 08:34:34,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869271677] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:34:34,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:34:34,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-18 08:34:34,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283268960] [2023-02-18 08:34:34,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:34:34,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-18 08:34:34,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:34:34,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-18 08:34:34,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-18 08:34:34,778 INFO L87 Difference]: Start difference. First operand 47 states and 59 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 08:34:34,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:34:34,795 INFO L93 Difference]: Finished difference Result 47 states and 59 transitions. [2023-02-18 08:34:34,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-18 08:34:34,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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) Word has length 9 [2023-02-18 08:34:34,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:34:34,796 INFO L225 Difference]: With dead ends: 47 [2023-02-18 08:34:34,796 INFO L226 Difference]: Without dead ends: 45 [2023-02-18 08:34:34,796 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 08:34:34,797 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 21 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:34:34,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 17 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:34:34,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-02-18 08:34:34,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 28. [2023-02-18 08:34:34,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.391304347826087) internal successors, (32), 27 states have internal predecessors, (32), 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 08:34:34,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2023-02-18 08:34:34,801 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 9 [2023-02-18 08:34:34,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:34:34,802 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2023-02-18 08:34:34,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 08:34:34,802 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-02-18 08:34:34,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-18 08:34:34,802 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:34:34,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:34:34,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-18 08:34:34,803 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 08:34:34,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:34:34,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1568206898, now seen corresponding path program 1 times [2023-02-18 08:34:34,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:34:34,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375009985] [2023-02-18 08:34:34,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:34:34,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:34:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:34:34,845 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 08:34:34,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:34:34,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375009985] [2023-02-18 08:34:34,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375009985] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:34:34,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:34:34,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-18 08:34:34,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210275192] [2023-02-18 08:34:34,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:34:34,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 08:34:34,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:34:34,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 08:34:34,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-18 08:34:34,848 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 08:34:34,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:34:34,889 INFO L93 Difference]: Finished difference Result 67 states and 78 transitions. [2023-02-18 08:34:34,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 08:34:34,889 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 11 [2023-02-18 08:34:34,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:34:34,890 INFO L225 Difference]: With dead ends: 67 [2023-02-18 08:34:34,890 INFO L226 Difference]: Without dead ends: 41 [2023-02-18 08:34:34,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-02-18 08:34:34,891 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 33 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:34:34,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 58 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:34:34,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-02-18 08:34:34,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2023-02-18 08:34:34,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 38 states have internal predecessors, (46), 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 08:34:34,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2023-02-18 08:34:34,895 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 46 transitions. Word has length 11 [2023-02-18 08:34:34,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:34:34,895 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 46 transitions. [2023-02-18 08:34:34,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 08:34:34,896 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-02-18 08:34:34,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-18 08:34:34,896 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:34:34,896 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:34:34,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-18 08:34:34,897 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 08:34:34,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:34:34,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1599754246, now seen corresponding path program 1 times [2023-02-18 08:34:34,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:34:34,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031633407] [2023-02-18 08:34:34,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:34:34,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:34:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:34:34,926 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 08:34:34,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:34:34,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031633407] [2023-02-18 08:34:34,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031633407] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:34:34,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:34:34,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 08:34:34,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52595120] [2023-02-18 08:34:34,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:34:34,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 08:34:34,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:34:34,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 08:34:34,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 08:34:34,929 INFO L87 Difference]: Start difference. First operand 39 states and 46 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 08:34:34,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:34:34,963 INFO L93 Difference]: Finished difference Result 59 states and 69 transitions. [2023-02-18 08:34:34,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 08:34:34,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2023-02-18 08:34:34,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:34:34,964 INFO L225 Difference]: With dead ends: 59 [2023-02-18 08:34:34,964 INFO L226 Difference]: Without dead ends: 57 [2023-02-18 08:34:34,965 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 08:34:34,966 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 51 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:34:34,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 31 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:34:34,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-02-18 08:34:34,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2023-02-18 08:34:34,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 50 states have (on average 1.26) internal successors, (63), 53 states have internal predecessors, (63), 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 08:34:34,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 63 transitions. [2023-02-18 08:34:34,970 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 63 transitions. Word has length 11 [2023-02-18 08:34:34,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:34:34,971 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 63 transitions. [2023-02-18 08:34:34,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 08:34:34,971 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2023-02-18 08:34:34,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-18 08:34:34,971 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:34:34,971 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:34:34,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-18 08:34:34,972 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 08:34:34,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:34:34,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1947225999, now seen corresponding path program 1 times [2023-02-18 08:34:34,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:34:34,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571494846] [2023-02-18 08:34:34,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:34:34,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:34:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:34:35,003 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 08:34:35,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:34:35,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571494846] [2023-02-18 08:34:35,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571494846] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:34:35,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:34:35,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 08:34:35,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942558214] [2023-02-18 08:34:35,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:34:35,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 08:34:35,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:34:35,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 08:34:35,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-18 08:34:35,006 INFO L87 Difference]: Start difference. First operand 54 states and 63 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:34:35,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:34:35,039 INFO L93 Difference]: Finished difference Result 63 states and 73 transitions. [2023-02-18 08:34:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-18 08:34:35,040 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-02-18 08:34:35,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:34:35,040 INFO L225 Difference]: With dead ends: 63 [2023-02-18 08:34:35,041 INFO L226 Difference]: Without dead ends: 62 [2023-02-18 08:34:35,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-02-18 08:34:35,042 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 34 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:34:35,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 24 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:34:35,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-02-18 08:34:35,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2023-02-18 08:34:35,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 54 states have (on average 1.2592592592592593) internal successors, (68), 57 states have internal predecessors, (68), 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 08:34:35,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 68 transitions. [2023-02-18 08:34:35,046 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 68 transitions. Word has length 12 [2023-02-18 08:34:35,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:34:35,047 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 68 transitions. [2023-02-18 08:34:35,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:34:35,047 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2023-02-18 08:34:35,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-02-18 08:34:35,047 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:34:35,047 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:34:35,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-18 08:34:35,048 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 08:34:35,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:34:35,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1694214290, now seen corresponding path program 1 times [2023-02-18 08:34:35,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:34:35,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808277595] [2023-02-18 08:34:35,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:34:35,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:34:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:34:35,086 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 08:34:35,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:34:35,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808277595] [2023-02-18 08:34:35,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808277595] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:34:35,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:34:35,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-18 08:34:35,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560927187] [2023-02-18 08:34:35,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:34:35,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-18 08:34:35,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:34:35,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-18 08:34:35,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-02-18 08:34:35,088 INFO L87 Difference]: Start difference. First operand 58 states and 68 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 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 08:34:35,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:34:35,146 INFO L93 Difference]: Finished difference Result 103 states and 121 transitions. [2023-02-18 08:34:35,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-18 08:34:35,146 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 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) Word has length 13 [2023-02-18 08:34:35,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:34:35,148 INFO L225 Difference]: With dead ends: 103 [2023-02-18 08:34:35,148 INFO L226 Difference]: Without dead ends: 102 [2023-02-18 08:34:35,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-02-18 08:34:35,149 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 48 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:34:35,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 48 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:34:35,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-02-18 08:34:35,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 41. [2023-02-18 08:34:35,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 38 states have (on average 1.263157894736842) internal successors, (48), 40 states have internal predecessors, (48), 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 08:34:35,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2023-02-18 08:34:35,153 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 13 [2023-02-18 08:34:35,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:34:35,154 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2023-02-18 08:34:35,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 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 08:34:35,154 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2023-02-18 08:34:35,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-02-18 08:34:35,154 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:34:35,154 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:34:35,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-18 08:34:35,155 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 08:34:35,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:34:35,155 INFO L85 PathProgramCache]: Analyzing trace with hash 234652576, now seen corresponding path program 1 times [2023-02-18 08:34:35,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:34:35,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223128054] [2023-02-18 08:34:35,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:34:35,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:34:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:34:35,165 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 08:34:35,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:34:35,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223128054] [2023-02-18 08:34:35,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223128054] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:34:35,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:34:35,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 08:34:35,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862673038] [2023-02-18 08:34:35,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:34:35,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-18 08:34:35,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:34:35,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-18 08:34:35,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-18 08:34:35,167 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 08:34:35,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:34:35,172 INFO L93 Difference]: Finished difference Result 82 states and 96 transitions. [2023-02-18 08:34:35,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-18 08:34:35,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) Word has length 13 [2023-02-18 08:34:35,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:34:35,173 INFO L225 Difference]: With dead ends: 82 [2023-02-18 08:34:35,173 INFO L226 Difference]: Without dead ends: 41 [2023-02-18 08:34:35,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 08:34:35,174 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:34:35,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:34:35,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-02-18 08:34:35,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-02-18 08:34:35,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 40 states have internal predecessors, (45), 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 08:34:35,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2023-02-18 08:34:35,177 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 13 [2023-02-18 08:34:35,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:34:35,177 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2023-02-18 08:34:35,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 08:34:35,177 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2023-02-18 08:34:35,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-18 08:34:35,178 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:34:35,178 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:34:35,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-02-18 08:34:35,178 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 08:34:35,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:34:35,179 INFO L85 PathProgramCache]: Analyzing trace with hash -981035365, now seen corresponding path program 1 times [2023-02-18 08:34:35,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:34:35,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060775202] [2023-02-18 08:34:35,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:34:35,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:34:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:34:35,207 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 08:34:35,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:34:35,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060775202] [2023-02-18 08:34:35,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060775202] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:34:35,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:34:35,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 08:34:35,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740421041] [2023-02-18 08:34:35,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:34:35,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 08:34:35,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:34:35,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 08:34:35,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-18 08:34:35,209 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:34:35,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:34:35,242 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2023-02-18 08:34:35,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-18 08:34:35,243 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-02-18 08:34:35,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:34:35,243 INFO L225 Difference]: With dead ends: 42 [2023-02-18 08:34:35,243 INFO L226 Difference]: Without dead ends: 41 [2023-02-18 08:34:35,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-02-18 08:34:35,244 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 35 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:34:35,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 31 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:34:35,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-02-18 08:34:35,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-02-18 08:34:35,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 40 states have internal predecessors, (44), 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 08:34:35,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2023-02-18 08:34:35,247 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 14 [2023-02-18 08:34:35,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:34:35,247 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2023-02-18 08:34:35,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:34:35,248 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2023-02-18 08:34:35,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-18 08:34:35,248 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:34:35,248 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:34:35,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-02-18 08:34:35,248 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 08:34:35,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:34:35,249 INFO L85 PathProgramCache]: Analyzing trace with hash 334166611, now seen corresponding path program 1 times [2023-02-18 08:34:35,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:34:35,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560775852] [2023-02-18 08:34:35,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:34:35,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:34:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:34:35,268 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 08:34:35,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:34:35,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560775852] [2023-02-18 08:34:35,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560775852] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:34:35,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:34:35,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-18 08:34:35,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983552731] [2023-02-18 08:34:35,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:34:35,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 08:34:35,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:34:35,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 08:34:35,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-18 08:34:35,270 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:34:35,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:34:35,285 INFO L93 Difference]: Finished difference Result 83 states and 89 transitions. [2023-02-18 08:34:35,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-18 08:34:35,285 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-02-18 08:34:35,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:34:35,286 INFO L225 Difference]: With dead ends: 83 [2023-02-18 08:34:35,286 INFO L226 Difference]: Without dead ends: 41 [2023-02-18 08:34:35,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-02-18 08:34:35,286 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 7 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:34:35,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 85 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:34:35,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-02-18 08:34:35,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-02-18 08:34:35,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 38 states have (on average 1.131578947368421) internal successors, (43), 40 states have internal predecessors, (43), 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 08:34:35,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2023-02-18 08:34:35,289 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 14 [2023-02-18 08:34:35,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:34:35,289 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2023-02-18 08:34:35,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:34:35,290 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2023-02-18 08:34:35,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-18 08:34:35,290 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:34:35,290 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:34:35,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-02-18 08:34:35,291 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 08:34:35,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:34:35,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1981516932, now seen corresponding path program 1 times [2023-02-18 08:34:35,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:34:35,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470325342] [2023-02-18 08:34:35,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:34:35,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:34:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:34:35,300 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 08:34:35,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:34:35,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470325342] [2023-02-18 08:34:35,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470325342] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:34:35,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:34:35,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-18 08:34:35,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321010021] [2023-02-18 08:34:35,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:34:35,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-18 08:34:35,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:34:35,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-18 08:34:35,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-18 08:34:35,302 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 08:34:35,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:34:35,312 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2023-02-18 08:34:35,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-18 08:34:35,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2023-02-18 08:34:35,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:34:35,313 INFO L225 Difference]: With dead ends: 41 [2023-02-18 08:34:35,313 INFO L226 Difference]: Without dead ends: 40 [2023-02-18 08:34:35,313 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 08:34:35,314 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:34:35,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:34:35,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-02-18 08:34:35,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 33. [2023-02-18 08:34:35,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 32 states have internal predecessors, (35), 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 08:34:35,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2023-02-18 08:34:35,316 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 15 [2023-02-18 08:34:35,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:34:35,316 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2023-02-18 08:34:35,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 08:34:35,317 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2023-02-18 08:34:35,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-18 08:34:35,317 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:34:35,317 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:34:35,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-02-18 08:34:35,318 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 08:34:35,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:34:35,318 INFO L85 PathProgramCache]: Analyzing trace with hash 233008023, now seen corresponding path program 1 times [2023-02-18 08:34:35,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:34:35,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621017020] [2023-02-18 08:34:35,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:34:35,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:34:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:34:35,332 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 08:34:35,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:34:35,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621017020] [2023-02-18 08:34:35,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621017020] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:34:35,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:34:35,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 08:34:35,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036358124] [2023-02-18 08:34:35,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:34:35,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 08:34:35,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:34:35,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 08:34:35,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 08:34:35,335 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 08:34:35,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:34:35,359 INFO L93 Difference]: Finished difference Result 73 states and 78 transitions. [2023-02-18 08:34:35,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 08:34:35,360 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2023-02-18 08:34:35,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:34:35,361 INFO L225 Difference]: With dead ends: 73 [2023-02-18 08:34:35,361 INFO L226 Difference]: Without dead ends: 38 [2023-02-18 08:34:35,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 08:34:35,363 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 15 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:34:35,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 50 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:34:35,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-02-18 08:34:35,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 35. [2023-02-18 08:34:35,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.088235294117647) internal successors, (37), 34 states have internal predecessors, (37), 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 08:34:35,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2023-02-18 08:34:35,373 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 16 [2023-02-18 08:34:35,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:34:35,373 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2023-02-18 08:34:35,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 08:34:35,374 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2023-02-18 08:34:35,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-02-18 08:34:35,375 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:34:35,375 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:34:35,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-02-18 08:34:35,376 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 08:34:35,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:34:35,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1567262310, now seen corresponding path program 1 times [2023-02-18 08:34:35,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:34:35,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563821337] [2023-02-18 08:34:35,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:34:35,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:34:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:34:35,405 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 08:34:35,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:34:35,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563821337] [2023-02-18 08:34:35,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563821337] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:34:35,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:34:35,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-18 08:34:35,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289297729] [2023-02-18 08:34:35,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:34:35,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-18 08:34:35,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:34:35,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-18 08:34:35,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-18 08:34:35,407 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 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 08:34:35,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:34:35,415 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2023-02-18 08:34:35,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-18 08:34:35,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 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) Word has length 17 [2023-02-18 08:34:35,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:34:35,416 INFO L225 Difference]: With dead ends: 35 [2023-02-18 08:34:35,416 INFO L226 Difference]: Without dead ends: 0 [2023-02-18 08:34:35,416 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 08:34:35,417 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:34:35,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:34:35,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-18 08:34:35,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-18 08:34:35,420 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 08:34:35,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-18 08:34:35,420 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2023-02-18 08:34:35,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:34:35,420 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-18 08:34:35,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 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 08:34:35,421 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-18 08:34:35,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-18 08:34:35,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2023-02-18 08:34:35,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2023-02-18 08:34:35,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2023-02-18 08:34:35,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2023-02-18 08:34:35,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2023-02-18 08:34:35,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2023-02-18 08:34:35,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2023-02-18 08:34:35,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2023-02-18 08:34:35,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2023-02-18 08:34:35,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2023-02-18 08:34:35,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-02-18 08:34:35,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-18 08:34:35,432 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2023-02-18 08:34:35,435 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 5 17) the Hoare annotation is: (<= |ULTIMATE.start_main_~y~0#1| 2147483647) [2023-02-18 08:34:35,435 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2023-02-18 08:34:35,435 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-18 08:34:35,435 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2023-02-18 08:34:35,436 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2023-02-18 08:34:35,436 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-18 08:34:35,436 INFO L899 garLoopResultBuilder]: For program point L12-1(line 12) no Hoare annotation was computed. [2023-02-18 08:34:35,436 INFO L899 garLoopResultBuilder]: For program point L12-2(line 12) no Hoare annotation was computed. [2023-02-18 08:34:35,436 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2023-02-18 08:34:35,437 INFO L899 garLoopResultBuilder]: For program point L12-3(line 12) no Hoare annotation was computed. [2023-02-18 08:34:35,437 INFO L899 garLoopResultBuilder]: For program point L12-5(line 12) no Hoare annotation was computed. [2023-02-18 08:34:35,437 INFO L899 garLoopResultBuilder]: For program point L12-6(line 12) no Hoare annotation was computed. [2023-02-18 08:34:35,437 INFO L899 garLoopResultBuilder]: For program point L12-8(line 12) no Hoare annotation was computed. [2023-02-18 08:34:35,437 INFO L899 garLoopResultBuilder]: For program point L12-9(line 12) no Hoare annotation was computed. [2023-02-18 08:34:35,437 INFO L899 garLoopResultBuilder]: For program point L12-10(line 12) no Hoare annotation was computed. [2023-02-18 08:34:35,437 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2023-02-18 08:34:35,437 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-18 08:34:35,438 INFO L899 garLoopResultBuilder]: For program point L12-12(line 12) no Hoare annotation was computed. [2023-02-18 08:34:35,438 INFO L899 garLoopResultBuilder]: For program point L12-13(line 12) no Hoare annotation was computed. [2023-02-18 08:34:35,438 INFO L899 garLoopResultBuilder]: For program point L12-14(line 12) no Hoare annotation was computed. [2023-02-18 08:34:35,438 INFO L899 garLoopResultBuilder]: For program point L12-15(line 12) no Hoare annotation was computed. [2023-02-18 08:34:35,438 INFO L899 garLoopResultBuilder]: For program point L12-16(line 12) no Hoare annotation was computed. [2023-02-18 08:34:35,438 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2023-02-18 08:34:35,439 INFO L899 garLoopResultBuilder]: For program point L12-18(lines 12 15) no Hoare annotation was computed. [2023-02-18 08:34:35,439 INFO L895 garLoopResultBuilder]: At program point L12-20(lines 12 15) the Hoare annotation is: (let ((.cse1 (not (<= (+ |ULTIMATE.start_main_~y~0#1| 1) 0)))) (let ((.cse0 (<= |ULTIMATE.start_main_~z~0#1| 2147483647)) (.cse2 (let ((.cse6 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1| 2147483648))) (.cse5 (<= 0 (+ 2147483647 |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|))) (.cse3 (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648))) (.cse4 (let ((.cse7 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) (.cse8 (<= |ULTIMATE.start_main_~y~0#1| 2147483647))) (or (and .cse7 .cse8) (and .cse1 .cse7 .cse8))))) (or (and .cse3 .cse4 .cse5) (and .cse6 .cse3 .cse4) (and .cse6 .cse3 .cse4 .cse5) (and .cse3 .cse4))))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse2)))) [2023-02-18 08:34:35,441 INFO L899 garLoopResultBuilder]: For program point L12-21(lines 12 15) no Hoare annotation was computed. [2023-02-18 08:34:35,441 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2023-02-18 08:34:35,441 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2023-02-18 08:34:35,441 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2023-02-18 08:34:35,441 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-18 08:34:35,441 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2023-02-18 08:34:35,442 INFO L899 garLoopResultBuilder]: For program point L14(line 14) no Hoare annotation was computed. [2023-02-18 08:34:35,442 INFO L899 garLoopResultBuilder]: For program point L14-1(line 14) no Hoare annotation was computed. [2023-02-18 08:34:35,442 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2023-02-18 08:34:35,444 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:34:35,446 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-18 08:34:35,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 08:34:35 BoogieIcfgContainer [2023-02-18 08:34:35,468 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-18 08:34:35,468 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-18 08:34:35,468 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-18 08:34:35,469 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-18 08:34:35,469 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 08:34:34" (3/4) ... [2023-02-18 08:34:35,471 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-18 08:34:35,478 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-18 08:34:35,478 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-18 08:34:35,478 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-18 08:34:35,504 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-18 08:34:35,504 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-18 08:34:35,505 INFO L158 Benchmark]: Toolchain (without parser) took 1682.89ms. Allocated memory was 127.9MB in the beginning and 157.3MB in the end (delta: 29.4MB). Free memory was 95.8MB in the beginning and 83.5MB in the end (delta: 12.3MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2023-02-18 08:34:35,505 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 08:34:35,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 125.63ms. Allocated memory is still 127.9MB. Free memory was 95.8MB in the beginning and 86.5MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-18 08:34:35,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.01ms. Allocated memory is still 127.9MB. Free memory was 86.5MB in the beginning and 85.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 08:34:35,506 INFO L158 Benchmark]: Boogie Preprocessor took 18.69ms. Allocated memory is still 127.9MB. Free memory was 85.0MB in the beginning and 83.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 08:34:35,506 INFO L158 Benchmark]: RCFGBuilder took 227.26ms. Allocated memory is still 127.9MB. Free memory was 83.9MB in the beginning and 73.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-18 08:34:35,506 INFO L158 Benchmark]: TraceAbstraction took 1250.80ms. Allocated memory was 127.9MB in the beginning and 157.3MB in the end (delta: 29.4MB). Free memory was 73.4MB in the beginning and 86.7MB in the end (delta: -13.3MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-02-18 08:34:35,507 INFO L158 Benchmark]: Witness Printer took 36.13ms. Allocated memory is still 157.3MB. Free memory was 86.7MB in the beginning and 83.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 08:34:35,513 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 125.63ms. Allocated memory is still 127.9MB. Free memory was 95.8MB in the beginning and 86.5MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.01ms. Allocated memory is still 127.9MB. Free memory was 86.5MB in the beginning and 85.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.69ms. Allocated memory is still 127.9MB. Free memory was 85.0MB in the beginning and 83.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 227.26ms. Allocated memory is still 127.9MB. Free memory was 83.9MB in the beginning and 73.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1250.80ms. Allocated memory was 127.9MB in the beginning and 157.3MB in the end (delta: 29.4MB). Free memory was 73.4MB in the beginning and 86.7MB in the end (delta: -13.3MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Witness Printer took 36.13ms. Allocated memory is still 157.3MB. Free memory was 86.7MB in the beginning and 83.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. 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: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: 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, 35 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 349 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 349 mSDsluCounter, 601 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 279 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 427 IncrementalHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 322 mSDtfsCounter, 427 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=7, InterpolantAutomatonStates: 60, 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, 14 MinimizatonAttempts, 112 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 316 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 151 ConstructedInterpolants, 0 QuantifiedInterpolants, 406 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: y <= 2147483647 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: ((z <= 2147483647 && !(y + 1 <= 0)) && (((((0 <= z + 2147483648 && ((0 <= y + 2147483648 && y <= 2147483647) || ((!(y + 1 <= 0) && 0 <= y + 2147483648) && y <= 2147483647))) && 0 <= 2147483647 + y + z) || ((0 <= y + z + 2147483648 && 0 <= z + 2147483648) && ((0 <= y + 2147483648 && y <= 2147483647) || ((!(y + 1 <= 0) && 0 <= y + 2147483648) && y <= 2147483647)))) || (((0 <= y + z + 2147483648 && 0 <= z + 2147483648) && ((0 <= y + 2147483648 && y <= 2147483647) || ((!(y + 1 <= 0) && 0 <= y + 2147483648) && y <= 2147483647))) && 0 <= 2147483647 + y + z)) || (0 <= z + 2147483648 && ((0 <= y + 2147483648 && y <= 2147483647) || ((!(y + 1 <= 0) && 0 <= y + 2147483648) && y <= 2147483647))))) || (z <= 2147483647 && (((((0 <= z + 2147483648 && ((0 <= y + 2147483648 && y <= 2147483647) || ((!(y + 1 <= 0) && 0 <= y + 2147483648) && y <= 2147483647))) && 0 <= 2147483647 + y + z) || ((0 <= y + z + 2147483648 && 0 <= z + 2147483648) && ((0 <= y + 2147483648 && y <= 2147483647) || ((!(y + 1 <= 0) && 0 <= y + 2147483648) && y <= 2147483647)))) || (((0 <= y + z + 2147483648 && 0 <= z + 2147483648) && ((0 <= y + 2147483648 && y <= 2147483647) || ((!(y + 1 <= 0) && 0 <= y + 2147483648) && y <= 2147483647))) && 0 <= 2147483647 + y + z)) || (0 <= z + 2147483648 && ((0 <= y + 2147483648 && y <= 2147483647) || ((!(y + 1 <= 0) && 0 <= y + 2147483648) && y <= 2147483647))))) RESULT: Ultimate proved your program to be correct! [2023-02-18 08:34:35,529 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