./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-restricted-15/b.11.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7e1ff0e6 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/b.11.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 5b4c99d0b33a566b40cf4365ddd1611945e8961cf9631a2c233f1ae25de30e8d --- Real Ultimate output --- This is Ultimate 0.2.2-?-7e1ff0e [2023-02-15 02:16:37,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 02:16:37,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 02:16:37,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 02:16:37,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 02:16:37,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 02:16:37,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 02:16:37,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 02:16:37,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 02:16:37,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 02:16:37,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 02:16:37,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 02:16:37,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 02:16:37,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 02:16:37,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 02:16:37,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 02:16:37,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 02:16:37,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 02:16:37,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 02:16:37,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 02:16:37,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 02:16:37,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 02:16:37,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 02:16:37,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 02:16:37,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 02:16:37,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 02:16:37,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 02:16:37,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 02:16:37,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 02:16:37,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 02:16:37,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 02:16:37,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 02:16:37,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 02:16:37,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 02:16:37,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 02:16:37,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 02:16:37,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 02:16:37,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 02:16:37,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 02:16:37,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 02:16:37,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 02:16:37,234 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-15 02:16:37,263 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 02:16:37,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 02:16:37,264 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 02:16:37,264 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 02:16:37,265 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 02:16:37,265 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 02:16:37,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 02:16:37,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 02:16:37,266 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 02:16:37,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 02:16:37,266 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 02:16:37,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 02:16:37,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 02:16:37,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 02:16:37,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 02:16:37,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 02:16:37,267 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-15 02:16:37,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 02:16:37,268 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 02:16:37,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 02:16:37,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 02:16:37,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 02:16:37,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 02:16:37,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 02:16:37,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 02:16:37,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 02:16:37,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 02:16:37,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 02:16:37,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 02:16:37,270 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 02:16:37,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 02:16:37,270 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 02:16:37,271 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 02:16:37,271 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 02:16:37,271 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b4c99d0b33a566b40cf4365ddd1611945e8961cf9631a2c233f1ae25de30e8d [2023-02-15 02:16:37,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 02:16:37,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 02:16:37,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 02:16:37,527 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 02:16:37,527 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 02:16:37,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/b.11.c [2023-02-15 02:16:38,596 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 02:16:38,741 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 02:16:38,742 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/b.11.c [2023-02-15 02:16:38,746 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbeb30fb6/5d86d7fa45eb429eb207468f8d2b57bb/FLAG70ab31f97 [2023-02-15 02:16:38,761 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbeb30fb6/5d86d7fa45eb429eb207468f8d2b57bb [2023-02-15 02:16:38,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 02:16:38,765 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 02:16:38,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 02:16:38,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 02:16:38,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 02:16:38,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:16:38" (1/1) ... [2023-02-15 02:16:38,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15873dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:38, skipping insertion in model container [2023-02-15 02:16:38,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:16:38" (1/1) ... [2023-02-15 02:16:38,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 02:16:38,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 02:16:38,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 02:16:38,910 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 02:16:38,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 02:16:38,931 INFO L208 MainTranslator]: Completed translation [2023-02-15 02:16:38,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:38 WrapperNode [2023-02-15 02:16:38,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 02:16:38,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 02:16:38,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 02:16:38,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 02:16:38,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:38" (1/1) ... [2023-02-15 02:16:38,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:38" (1/1) ... [2023-02-15 02:16:38,953 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2023-02-15 02:16:38,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 02:16:38,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 02:16:38,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 02:16:38,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 02:16:38,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:38" (1/1) ... [2023-02-15 02:16:38,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:38" (1/1) ... [2023-02-15 02:16:38,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:38" (1/1) ... [2023-02-15 02:16:38,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:38" (1/1) ... [2023-02-15 02:16:38,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:38" (1/1) ... [2023-02-15 02:16:38,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:38" (1/1) ... [2023-02-15 02:16:38,973 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:38" (1/1) ... [2023-02-15 02:16:38,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:38" (1/1) ... [2023-02-15 02:16:38,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 02:16:38,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 02:16:38,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 02:16:38,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 02:16:38,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:38" (1/1) ... [2023-02-15 02:16:38,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 02:16:38,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:16:39,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-15 02:16:39,021 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 [2023-02-15 02:16:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 02:16:39,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 02:16:39,095 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 02:16:39,096 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 02:16:39,274 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 02:16:39,279 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 02:16:39,279 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-15 02:16:39,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:16:39 BoogieIcfgContainer [2023-02-15 02:16:39,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 02:16:39,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 02:16:39,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 02:16:39,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 02:16:39,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 02:16:38" (1/3) ... [2023-02-15 02:16:39,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9651d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 02:16:39, skipping insertion in model container [2023-02-15 02:16:39,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:16:38" (2/3) ... [2023-02-15 02:16:39,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9651d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 02:16:39, skipping insertion in model container [2023-02-15 02:16:39,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:16:39" (3/3) ... [2023-02-15 02:16:39,287 INFO L112 eAbstractionObserver]: Analyzing ICFG b.11.c [2023-02-15 02:16:39,322 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 02:16:39,322 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-02-15 02:16:39,372 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 02:16:39,377 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;@1188efaf, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 02:16:39,377 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-02-15 02:16:39,380 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 28 states have (on average 1.7142857142857142) 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) [2023-02-15 02:16:39,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-15 02:16:39,384 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:16:39,384 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-15 02:16:39,385 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-15 02:16:39,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:16:39,390 INFO L85 PathProgramCache]: Analyzing trace with hash 28695781, now seen corresponding path program 1 times [2023-02-15 02:16:39,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:16:39,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277350665] [2023-02-15 02:16:39,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:16:39,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:16:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:16:39,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:16:39,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:16:39,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277350665] [2023-02-15 02:16:39,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277350665] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:16:39,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:16:39,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 02:16:39,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319109589] [2023-02-15 02:16:39,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:16:39,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 02:16:39,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:16:39,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 02:16:39,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 02:16:39,584 INFO L87 Difference]: Start difference. First operand has 41 states, 28 states have (on average 1.7142857142857142) 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) 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) [2023-02-15 02:16:39,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:16:39,646 INFO L93 Difference]: Finished difference Result 45 states and 51 transitions. [2023-02-15 02:16:39,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 02:16:39,648 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 [2023-02-15 02:16:39,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:16:39,656 INFO L225 Difference]: With dead ends: 45 [2023-02-15 02:16:39,657 INFO L226 Difference]: Without dead ends: 33 [2023-02-15 02:16:39,659 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 [2023-02-15 02:16:39,663 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 37 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:16:39,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 22 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:16:39,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-02-15 02:16:39,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2023-02-15 02:16:39,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 25 states have (on average 1.56) internal successors, (39), 32 states have internal predecessors, (39), 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) [2023-02-15 02:16:39,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2023-02-15 02:16:39,691 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 5 [2023-02-15 02:16:39,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:16:39,692 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2023-02-15 02:16:39,692 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) [2023-02-15 02:16:39,692 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-02-15 02:16:39,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-15 02:16:39,692 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:16:39,692 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-15 02:16:39,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 02:16:39,693 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-15 02:16:39,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:16:39,694 INFO L85 PathProgramCache]: Analyzing trace with hash 889569255, now seen corresponding path program 1 times [2023-02-15 02:16:39,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:16:39,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76396907] [2023-02-15 02:16:39,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:16:39,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:16:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:16:39,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:16:39,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:16:39,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76396907] [2023-02-15 02:16:39,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76396907] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:16:39,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:16:39,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 02:16:39,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254391464] [2023-02-15 02:16:39,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:16:39,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 02:16:39,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:16:39,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:16:39,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:16:39,736 INFO L87 Difference]: Start difference. First operand 33 states and 39 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) [2023-02-15 02:16:39,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:16:39,829 INFO L93 Difference]: Finished difference Result 61 states and 73 transitions. [2023-02-15 02:16:39,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 02:16:39,830 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 [2023-02-15 02:16:39,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:16:39,831 INFO L225 Difference]: With dead ends: 61 [2023-02-15 02:16:39,832 INFO L226 Difference]: Without dead ends: 57 [2023-02-15 02:16:39,833 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 [2023-02-15 02:16:39,834 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 46 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 02:16:39,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 58 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 02:16:39,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-02-15 02:16:39,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 51. [2023-02-15 02:16:39,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 44 states have (on average 1.5227272727272727) internal successors, (67), 50 states have internal predecessors, (67), 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) [2023-02-15 02:16:39,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 67 transitions. [2023-02-15 02:16:39,844 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 67 transitions. Word has length 6 [2023-02-15 02:16:39,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:16:39,845 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 67 transitions. [2023-02-15 02:16:39,845 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) [2023-02-15 02:16:39,846 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2023-02-15 02:16:39,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-15 02:16:39,847 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:16:39,847 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:16:39,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-15 02:16:39,848 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-15 02:16:39,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:16:39,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1387049590, now seen corresponding path program 1 times [2023-02-15 02:16:39,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:16:39,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983701229] [2023-02-15 02:16:39,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:16:39,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:16:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:16:39,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:16:39,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:16:39,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983701229] [2023-02-15 02:16:39,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983701229] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:16:39,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:16:39,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 02:16:39,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848973460] [2023-02-15 02:16:39,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:16:39,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 02:16:39,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:16:39,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:16:39,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:16:39,905 INFO L87 Difference]: Start difference. First operand 51 states and 67 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) [2023-02-15 02:16:39,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:16:39,940 INFO L93 Difference]: Finished difference Result 113 states and 148 transitions. [2023-02-15 02:16:39,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 02:16:39,941 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 [2023-02-15 02:16:39,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:16:39,942 INFO L225 Difference]: With dead ends: 113 [2023-02-15 02:16:39,942 INFO L226 Difference]: Without dead ends: 64 [2023-02-15 02:16:39,943 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 [2023-02-15 02:16:39,945 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 25 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 92 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 [2023-02-15 02:16:39,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 92 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:16:39,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-02-15 02:16:39,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 53. [2023-02-15 02:16:39,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 52 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) [2023-02-15 02:16:39,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2023-02-15 02:16:39,954 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 9 [2023-02-15 02:16:39,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:16:39,954 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2023-02-15 02:16:39,954 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) [2023-02-15 02:16:39,955 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2023-02-15 02:16:39,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-15 02:16:39,955 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:16:39,955 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:16:39,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-15 02:16:39,956 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-15 02:16:39,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:16:39,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1387099210, now seen corresponding path program 1 times [2023-02-15 02:16:39,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:16:39,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408822044] [2023-02-15 02:16:39,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:16:39,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:16:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:16:39,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:16:39,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:16:39,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408822044] [2023-02-15 02:16:39,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408822044] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:16:39,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:16:39,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 02:16:39,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346177134] [2023-02-15 02:16:39,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:16:39,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 02:16:39,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:16:39,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 02:16:39,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 02:16:39,988 INFO L87 Difference]: Start difference. First operand 53 states and 68 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) [2023-02-15 02:16:40,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:16:40,038 INFO L93 Difference]: Finished difference Result 81 states and 101 transitions. [2023-02-15 02:16:40,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 02:16:40,039 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 [2023-02-15 02:16:40,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:16:40,039 INFO L225 Difference]: With dead ends: 81 [2023-02-15 02:16:40,039 INFO L226 Difference]: Without dead ends: 80 [2023-02-15 02:16:40,040 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 [2023-02-15 02:16:40,041 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 27 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:16:40,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 33 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:16:40,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-02-15 02:16:40,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 70. [2023-02-15 02:16:40,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 63 states have (on average 1.492063492063492) internal successors, (94), 69 states have internal predecessors, (94), 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) [2023-02-15 02:16:40,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 94 transitions. [2023-02-15 02:16:40,051 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 94 transitions. Word has length 9 [2023-02-15 02:16:40,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:16:40,052 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 94 transitions. [2023-02-15 02:16:40,052 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) [2023-02-15 02:16:40,052 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2023-02-15 02:16:40,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-15 02:16:40,053 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:16:40,053 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:16:40,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-15 02:16:40,054 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-15 02:16:40,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:16:40,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1568206898, now seen corresponding path program 1 times [2023-02-15 02:16:40,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:16:40,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619897471] [2023-02-15 02:16:40,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:16:40,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:16:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:16:40,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:16:40,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:16:40,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619897471] [2023-02-15 02:16:40,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619897471] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:16:40,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:16:40,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-15 02:16:40,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940786604] [2023-02-15 02:16:40,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:16:40,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 02:16:40,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:16:40,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 02:16:40,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-15 02:16:40,128 INFO L87 Difference]: Start difference. First operand 70 states and 94 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) [2023-02-15 02:16:40,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:16:40,206 INFO L93 Difference]: Finished difference Result 167 states and 222 transitions. [2023-02-15 02:16:40,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-15 02:16:40,206 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 [2023-02-15 02:16:40,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:16:40,207 INFO L225 Difference]: With dead ends: 167 [2023-02-15 02:16:40,207 INFO L226 Difference]: Without dead ends: 97 [2023-02-15 02:16:40,207 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 [2023-02-15 02:16:40,208 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 35 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 02:16:40,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 95 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 02:16:40,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-02-15 02:16:40,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 93. [2023-02-15 02:16:40,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 92 states have internal predecessors, (122), 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) [2023-02-15 02:16:40,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 122 transitions. [2023-02-15 02:16:40,216 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 122 transitions. Word has length 11 [2023-02-15 02:16:40,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:16:40,216 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 122 transitions. [2023-02-15 02:16:40,216 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) [2023-02-15 02:16:40,216 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 122 transitions. [2023-02-15 02:16:40,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-15 02:16:40,217 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:16:40,217 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:16:40,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-15 02:16:40,217 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-15 02:16:40,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:16:40,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1599754246, now seen corresponding path program 1 times [2023-02-15 02:16:40,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:16:40,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822617951] [2023-02-15 02:16:40,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:16:40,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:16:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:16:40,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:16:40,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:16:40,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822617951] [2023-02-15 02:16:40,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822617951] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:16:40,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:16:40,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 02:16:40,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98036654] [2023-02-15 02:16:40,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:16:40,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 02:16:40,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:16:40,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:16:40,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:16:40,257 INFO L87 Difference]: Start difference. First operand 93 states and 122 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) [2023-02-15 02:16:40,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:16:40,326 INFO L93 Difference]: Finished difference Result 192 states and 253 transitions. [2023-02-15 02:16:40,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 02:16:40,327 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 [2023-02-15 02:16:40,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:16:40,328 INFO L225 Difference]: With dead ends: 192 [2023-02-15 02:16:40,328 INFO L226 Difference]: Without dead ends: 191 [2023-02-15 02:16:40,328 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 [2023-02-15 02:16:40,328 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 77 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 02:16:40,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 59 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 02:16:40,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2023-02-15 02:16:40,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 116. [2023-02-15 02:16:40,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 109 states have (on average 1.4036697247706422) internal successors, (153), 115 states have internal predecessors, (153), 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) [2023-02-15 02:16:40,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 153 transitions. [2023-02-15 02:16:40,336 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 153 transitions. Word has length 11 [2023-02-15 02:16:40,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:16:40,336 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 153 transitions. [2023-02-15 02:16:40,336 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) [2023-02-15 02:16:40,336 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 153 transitions. [2023-02-15 02:16:40,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-15 02:16:40,336 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:16:40,336 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:16:40,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-15 02:16:40,337 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-15 02:16:40,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:16:40,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1947225999, now seen corresponding path program 1 times [2023-02-15 02:16:40,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:16:40,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146973953] [2023-02-15 02:16:40,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:16:40,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:16:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:16:40,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:16:40,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:16:40,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146973953] [2023-02-15 02:16:40,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146973953] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:16:40,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:16:40,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 02:16:40,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761373489] [2023-02-15 02:16:40,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:16:40,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 02:16:40,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:16:40,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 02:16:40,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 02:16:40,394 INFO L87 Difference]: Start difference. First operand 116 states and 153 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) [2023-02-15 02:16:40,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:16:40,477 INFO L93 Difference]: Finished difference Result 210 states and 277 transitions. [2023-02-15 02:16:40,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 02:16:40,477 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 [2023-02-15 02:16:40,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:16:40,478 INFO L225 Difference]: With dead ends: 210 [2023-02-15 02:16:40,478 INFO L226 Difference]: Without dead ends: 209 [2023-02-15 02:16:40,478 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 [2023-02-15 02:16:40,479 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 87 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 02:16:40,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 31 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 02:16:40,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2023-02-15 02:16:40,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 204. [2023-02-15 02:16:40,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 197 states have (on average 1.385786802030457) internal successors, (273), 203 states have internal predecessors, (273), 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) [2023-02-15 02:16:40,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 273 transitions. [2023-02-15 02:16:40,502 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 273 transitions. Word has length 12 [2023-02-15 02:16:40,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:16:40,503 INFO L495 AbstractCegarLoop]: Abstraction has 204 states and 273 transitions. [2023-02-15 02:16:40,503 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) [2023-02-15 02:16:40,503 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 273 transitions. [2023-02-15 02:16:40,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-02-15 02:16:40,504 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:16:40,504 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:16:40,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-15 02:16:40,504 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-15 02:16:40,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:16:40,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1694214290, now seen corresponding path program 1 times [2023-02-15 02:16:40,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:16:40,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208664531] [2023-02-15 02:16:40,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:16:40,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:16:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:16:40,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:16:40,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:16:40,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208664531] [2023-02-15 02:16:40,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208664531] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:16:40,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:16:40,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-15 02:16:40,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908506614] [2023-02-15 02:16:40,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:16:40,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-15 02:16:40,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:16:40,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-15 02:16:40,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-02-15 02:16:40,554 INFO L87 Difference]: Start difference. First operand 204 states and 273 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) [2023-02-15 02:16:40,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:16:40,622 INFO L93 Difference]: Finished difference Result 223 states and 294 transitions. [2023-02-15 02:16:40,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-15 02:16:40,623 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 [2023-02-15 02:16:40,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:16:40,624 INFO L225 Difference]: With dead ends: 223 [2023-02-15 02:16:40,624 INFO L226 Difference]: Without dead ends: 222 [2023-02-15 02:16:40,624 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 [2023-02-15 02:16:40,625 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 65 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:16:40,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 39 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:16:40,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2023-02-15 02:16:40,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 207. [2023-02-15 02:16:40,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 200 states have (on average 1.355) internal successors, (271), 206 states have internal predecessors, (271), 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) [2023-02-15 02:16:40,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 271 transitions. [2023-02-15 02:16:40,631 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 271 transitions. Word has length 13 [2023-02-15 02:16:40,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:16:40,632 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 271 transitions. [2023-02-15 02:16:40,632 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) [2023-02-15 02:16:40,632 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 271 transitions. [2023-02-15 02:16:40,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-15 02:16:40,636 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:16:40,636 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:16:40,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-15 02:16:40,637 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-15 02:16:40,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:16:40,637 INFO L85 PathProgramCache]: Analyzing trace with hash -981035365, now seen corresponding path program 1 times [2023-02-15 02:16:40,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:16:40,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73608788] [2023-02-15 02:16:40,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:16:40,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:16:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:16:40,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:16:40,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:16:40,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73608788] [2023-02-15 02:16:40,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73608788] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:16:40,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:16:40,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 02:16:40,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113805515] [2023-02-15 02:16:40,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:16:40,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 02:16:40,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:16:40,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 02:16:40,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-15 02:16:40,685 INFO L87 Difference]: Start difference. First operand 207 states and 271 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) [2023-02-15 02:16:40,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:16:40,745 INFO L93 Difference]: Finished difference Result 209 states and 271 transitions. [2023-02-15 02:16:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 02:16:40,746 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 [2023-02-15 02:16:40,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:16:40,747 INFO L225 Difference]: With dead ends: 209 [2023-02-15 02:16:40,747 INFO L226 Difference]: Without dead ends: 207 [2023-02-15 02:16:40,748 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 [2023-02-15 02:16:40,748 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 71 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:16:40,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 30 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:16:40,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2023-02-15 02:16:40,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 166. [2023-02-15 02:16:40,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 160 states have (on average 1.3125) internal successors, (210), 165 states have internal predecessors, (210), 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) [2023-02-15 02:16:40,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 210 transitions. [2023-02-15 02:16:40,757 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 210 transitions. Word has length 14 [2023-02-15 02:16:40,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:16:40,757 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 210 transitions. [2023-02-15 02:16:40,757 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) [2023-02-15 02:16:40,758 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 210 transitions. [2023-02-15 02:16:40,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-15 02:16:40,759 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:16:40,759 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:16:40,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-02-15 02:16:40,760 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-15 02:16:40,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:16:40,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1315697474, now seen corresponding path program 1 times [2023-02-15 02:16:40,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:16:40,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557539453] [2023-02-15 02:16:40,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:16:40,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:16:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:16:40,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:16:40,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:16:40,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557539453] [2023-02-15 02:16:40,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557539453] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:16:40,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:16:40,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 02:16:40,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739376319] [2023-02-15 02:16:40,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:16:40,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 02:16:40,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:16:40,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 02:16:40,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 02:16:40,775 INFO L87 Difference]: Start difference. First operand 166 states and 210 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2023-02-15 02:16:40,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:16:40,781 INFO L93 Difference]: Finished difference Result 325 states and 408 transitions. [2023-02-15 02:16:40,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 02:16:40,781 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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 [2023-02-15 02:16:40,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:16:40,782 INFO L225 Difference]: With dead ends: 325 [2023-02-15 02:16:40,782 INFO L226 Difference]: Without dead ends: 156 [2023-02-15 02:16:40,783 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 [2023-02-15 02:16:40,783 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 0 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 68 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 [2023-02-15 02:16:40,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:16:40,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-02-15 02:16:40,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2023-02-15 02:16:40,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 150 states have (on average 1.2533333333333334) internal successors, (188), 155 states have internal predecessors, (188), 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) [2023-02-15 02:16:40,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 188 transitions. [2023-02-15 02:16:40,787 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 188 transitions. Word has length 14 [2023-02-15 02:16:40,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:16:40,787 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 188 transitions. [2023-02-15 02:16:40,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2023-02-15 02:16:40,788 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 188 transitions. [2023-02-15 02:16:40,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-15 02:16:40,788 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:16:40,788 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:16:40,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-02-15 02:16:40,791 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-15 02:16:40,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:16:40,792 INFO L85 PathProgramCache]: Analyzing trace with hash 334166611, now seen corresponding path program 1 times [2023-02-15 02:16:40,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:16:40,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698696360] [2023-02-15 02:16:40,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:16:40,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:16:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:16:40,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:16:40,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:16:40,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698696360] [2023-02-15 02:16:40,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698696360] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:16:40,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:16:40,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-15 02:16:40,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416973921] [2023-02-15 02:16:40,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:16:40,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 02:16:40,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:16:40,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 02:16:40,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-15 02:16:40,834 INFO L87 Difference]: Start difference. First operand 156 states and 188 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) [2023-02-15 02:16:40,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:16:40,856 INFO L93 Difference]: Finished difference Result 303 states and 363 transitions. [2023-02-15 02:16:40,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 02:16:40,857 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 [2023-02-15 02:16:40,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:16:40,857 INFO L225 Difference]: With dead ends: 303 [2023-02-15 02:16:40,857 INFO L226 Difference]: Without dead ends: 156 [2023-02-15 02:16:40,860 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 [2023-02-15 02:16:40,860 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 8 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 120 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 [2023-02-15 02:16:40,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 120 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:16:40,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-02-15 02:16:40,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2023-02-15 02:16:40,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 150 states have (on average 1.2266666666666666) internal successors, (184), 155 states have internal predecessors, (184), 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) [2023-02-15 02:16:40,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 184 transitions. [2023-02-15 02:16:40,865 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 184 transitions. Word has length 14 [2023-02-15 02:16:40,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:16:40,865 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 184 transitions. [2023-02-15 02:16:40,865 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) [2023-02-15 02:16:40,865 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 184 transitions. [2023-02-15 02:16:40,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-15 02:16:40,866 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:16:40,866 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:16:40,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-02-15 02:16:40,866 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-15 02:16:40,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:16:40,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1297490010, now seen corresponding path program 1 times [2023-02-15 02:16:40,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:16:40,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695351231] [2023-02-15 02:16:40,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:16:40,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:16:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:16:40,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:16:40,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:16:40,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695351231] [2023-02-15 02:16:40,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695351231] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:16:40,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:16:40,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 02:16:40,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636570003] [2023-02-15 02:16:40,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:16:40,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 02:16:40,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:16:40,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 02:16:40,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-15 02:16:40,899 INFO L87 Difference]: Start difference. First operand 156 states and 184 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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) [2023-02-15 02:16:40,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:16:40,954 INFO L93 Difference]: Finished difference Result 218 states and 251 transitions. [2023-02-15 02:16:40,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 02:16:40,955 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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 [2023-02-15 02:16:40,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:16:40,956 INFO L225 Difference]: With dead ends: 218 [2023-02-15 02:16:40,956 INFO L226 Difference]: Without dead ends: 217 [2023-02-15 02:16:40,956 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 [2023-02-15 02:16:40,956 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 75 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:16:40,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 27 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:16:40,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-02-15 02:16:40,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 155. [2023-02-15 02:16:40,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 150 states have (on average 1.1933333333333334) internal successors, (179), 154 states have internal predecessors, (179), 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) [2023-02-15 02:16:40,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 179 transitions. [2023-02-15 02:16:40,961 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 179 transitions. Word has length 16 [2023-02-15 02:16:40,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:16:40,961 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 179 transitions. [2023-02-15 02:16:40,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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) [2023-02-15 02:16:40,962 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 179 transitions. [2023-02-15 02:16:40,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-15 02:16:40,962 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:16:40,962 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:16:40,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-02-15 02:16:40,962 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-15 02:16:40,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:16:40,963 INFO L85 PathProgramCache]: Analyzing trace with hash 233008023, now seen corresponding path program 1 times [2023-02-15 02:16:40,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:16:40,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145071473] [2023-02-15 02:16:40,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:16:40,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:16:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:16:40,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:16:40,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:16:40,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145071473] [2023-02-15 02:16:40,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145071473] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:16:40,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:16:40,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 02:16:40,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78747444] [2023-02-15 02:16:40,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:16:40,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 02:16:40,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:16:40,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:16:40,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:16:40,981 INFO L87 Difference]: Start difference. First operand 155 states and 179 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) [2023-02-15 02:16:41,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:16:41,018 INFO L93 Difference]: Finished difference Result 227 states and 262 transitions. [2023-02-15 02:16:41,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 02:16:41,018 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 [2023-02-15 02:16:41,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:16:41,019 INFO L225 Difference]: With dead ends: 227 [2023-02-15 02:16:41,019 INFO L226 Difference]: Without dead ends: 87 [2023-02-15 02:16:41,019 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 [2023-02-15 02:16:41,020 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 20 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:16:41,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 55 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:16:41,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-02-15 02:16:41,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 81. [2023-02-15 02:16:41,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 77 states have (on average 1.1818181818181819) internal successors, (91), 80 states have internal predecessors, (91), 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) [2023-02-15 02:16:41,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 91 transitions. [2023-02-15 02:16:41,023 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 91 transitions. Word has length 16 [2023-02-15 02:16:41,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:16:41,023 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 91 transitions. [2023-02-15 02:16:41,023 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) [2023-02-15 02:16:41,023 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2023-02-15 02:16:41,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-02-15 02:16:41,024 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:16:41,024 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:16:41,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-02-15 02:16:41,024 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-15 02:16:41,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:16:41,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1227971096, now seen corresponding path program 1 times [2023-02-15 02:16:41,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:16:41,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10085461] [2023-02-15 02:16:41,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:16:41,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:16:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:16:41,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:16:41,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:16:41,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10085461] [2023-02-15 02:16:41,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10085461] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:16:41,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:16:41,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 02:16:41,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508718656] [2023-02-15 02:16:41,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:16:41,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 02:16:41,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:16:41,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:16:41,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:16:41,045 INFO L87 Difference]: Start difference. First operand 81 states and 91 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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) [2023-02-15 02:16:41,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:16:41,094 INFO L93 Difference]: Finished difference Result 120 states and 134 transitions. [2023-02-15 02:16:41,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 02:16:41,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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 [2023-02-15 02:16:41,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:16:41,095 INFO L225 Difference]: With dead ends: 120 [2023-02-15 02:16:41,095 INFO L226 Difference]: Without dead ends: 119 [2023-02-15 02:16:41,096 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 [2023-02-15 02:16:41,096 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 50 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:16:41,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 46 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:16:41,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-02-15 02:16:41,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 113. [2023-02-15 02:16:41,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 109 states have (on average 1.18348623853211) internal successors, (129), 112 states have internal predecessors, (129), 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) [2023-02-15 02:16:41,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 129 transitions. [2023-02-15 02:16:41,101 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 129 transitions. Word has length 17 [2023-02-15 02:16:41,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:16:41,101 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 129 transitions. [2023-02-15 02:16:41,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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) [2023-02-15 02:16:41,101 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 129 transitions. [2023-02-15 02:16:41,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-15 02:16:41,102 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:16:41,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:16:41,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-02-15 02:16:41,102 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-15 02:16:41,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:16:41,103 INFO L85 PathProgramCache]: Analyzing trace with hash -587595610, now seen corresponding path program 1 times [2023-02-15 02:16:41,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:16:41,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144463379] [2023-02-15 02:16:41,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:16:41,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:16:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:16:41,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:16:41,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:16:41,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144463379] [2023-02-15 02:16:41,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144463379] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:16:41,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:16:41,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 02:16:41,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762477238] [2023-02-15 02:16:41,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:16:41,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 02:16:41,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:16:41,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 02:16:41,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-15 02:16:41,132 INFO L87 Difference]: Start difference. First operand 113 states and 129 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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) [2023-02-15 02:16:41,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:16:41,166 INFO L93 Difference]: Finished difference Result 129 states and 145 transitions. [2023-02-15 02:16:41,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 02:16:41,166 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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 18 [2023-02-15 02:16:41,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:16:41,167 INFO L225 Difference]: With dead ends: 129 [2023-02-15 02:16:41,167 INFO L226 Difference]: Without dead ends: 126 [2023-02-15 02:16:41,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-02-15 02:16:41,168 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 62 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:16:41,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 28 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:16:41,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-02-15 02:16:41,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 69. [2023-02-15 02:16:41,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 67 states have (on average 1.1492537313432836) internal successors, (77), 68 states have internal predecessors, (77), 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) [2023-02-15 02:16:41,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 77 transitions. [2023-02-15 02:16:41,171 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 77 transitions. Word has length 18 [2023-02-15 02:16:41,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:16:41,171 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 77 transitions. [2023-02-15 02:16:41,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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) [2023-02-15 02:16:41,171 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2023-02-15 02:16:41,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-02-15 02:16:41,172 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:16:41,172 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:16:41,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-02-15 02:16:41,172 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-15 02:16:41,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:16:41,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1066462104, now seen corresponding path program 1 times [2023-02-15 02:16:41,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:16:41,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726357702] [2023-02-15 02:16:41,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:16:41,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:16:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:16:41,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:16:41,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:16:41,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726357702] [2023-02-15 02:16:41,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726357702] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 02:16:41,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373053297] [2023-02-15 02:16:41,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:16:41,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 02:16:41,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:16:41,195 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 02:16:41,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-15 02:16:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:16:41,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-15 02:16:41,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:16:41,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:16:41,296 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 02:16:41,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373053297] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:16:41,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-15 02:16:41,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3] total 6 [2023-02-15 02:16:41,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899669529] [2023-02-15 02:16:41,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:16:41,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-15 02:16:41,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:16:41,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-15 02:16:41,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-02-15 02:16:41,297 INFO L87 Difference]: Start difference. First operand 69 states and 77 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:16:41,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:16:41,384 INFO L93 Difference]: Finished difference Result 88 states and 98 transitions. [2023-02-15 02:16:41,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-15 02:16:41,385 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-02-15 02:16:41,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:16:41,385 INFO L225 Difference]: With dead ends: 88 [2023-02-15 02:16:41,385 INFO L226 Difference]: Without dead ends: 42 [2023-02-15 02:16:41,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-02-15 02:16:41,386 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 30 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:16:41,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 63 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:16:41,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-02-15 02:16:41,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 36. [2023-02-15 02:16:41,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 35 states have internal predecessors, (39), 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) [2023-02-15 02:16:41,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2023-02-15 02:16:41,388 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 23 [2023-02-15 02:16:41,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:16:41,389 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2023-02-15 02:16:41,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:16:41,390 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2023-02-15 02:16:41,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-02-15 02:16:41,390 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:16:41,390 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:16:41,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-15 02:16:41,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-02-15 02:16:41,597 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-15 02:16:41,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:16:41,598 INFO L85 PathProgramCache]: Analyzing trace with hash -154397489, now seen corresponding path program 1 times [2023-02-15 02:16:41,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:16:41,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699697664] [2023-02-15 02:16:41,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:16:41,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:16:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:16:41,645 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:16:41,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:16:41,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699697664] [2023-02-15 02:16:41,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699697664] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:16:41,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:16:41,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 02:16:41,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574010846] [2023-02-15 02:16:41,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:16:41,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 02:16:41,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:16:41,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 02:16:41,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 02:16:41,647 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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) [2023-02-15 02:16:41,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:16:41,694 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2023-02-15 02:16:41,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-15 02:16:41,695 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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 26 [2023-02-15 02:16:41,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:16:41,695 INFO L225 Difference]: With dead ends: 47 [2023-02-15 02:16:41,695 INFO L226 Difference]: Without dead ends: 0 [2023-02-15 02:16:41,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-02-15 02:16:41,696 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 10 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:16:41,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 30 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:16:41,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-15 02:16:41,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-15 02:16:41,697 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) [2023-02-15 02:16:41,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-15 02:16:41,698 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2023-02-15 02:16:41,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:16:41,698 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 02:16:41,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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) [2023-02-15 02:16:41,698 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-15 02:16:41,698 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-15 02:16:41,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2023-02-15 02:16:41,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2023-02-15 02:16:41,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2023-02-15 02:16:41,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2023-02-15 02:16:41,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2023-02-15 02:16:41,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2023-02-15 02:16:41,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2023-02-15 02:16:41,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2023-02-15 02:16:41,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2023-02-15 02:16:41,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2023-02-15 02:16:41,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2023-02-15 02:16:41,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2023-02-15 02:16:41,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-02-15 02:16:41,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-15 02:16:41,774 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2023-02-15 02:16:41,775 INFO L899 garLoopResultBuilder]: For program point L15(lines 15 19) no Hoare annotation was computed. [2023-02-15 02:16:41,775 INFO L895 garLoopResultBuilder]: At program point L15-2(lines 11 21) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~y~0#1| 2147483647))) (or (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) .cse0) (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483646)) .cse0 (<= (+ |ULTIMATE.start_main_~x~0#1| 1) 0)))) [2023-02-15 02:16:41,775 INFO L899 garLoopResultBuilder]: For program point L11-1(line 11) no Hoare annotation was computed. [2023-02-15 02:16:41,775 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2023-02-15 02:16:41,775 INFO L899 garLoopResultBuilder]: For program point L11-2(line 11) no Hoare annotation was computed. [2023-02-15 02:16:41,775 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 5 23) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2023-02-15 02:16:41,776 INFO L899 garLoopResultBuilder]: For program point L11-3(line 11) no Hoare annotation was computed. [2023-02-15 02:16:41,776 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2023-02-15 02:16:41,776 INFO L899 garLoopResultBuilder]: For program point L11-5(line 11) no Hoare annotation was computed. [2023-02-15 02:16:41,776 INFO L899 garLoopResultBuilder]: For program point L11-6(line 11) no Hoare annotation was computed. [2023-02-15 02:16:41,776 INFO L899 garLoopResultBuilder]: For program point L11-8(line 11) no Hoare annotation was computed. [2023-02-15 02:16:41,776 INFO L899 garLoopResultBuilder]: For program point L11-9(line 11) no Hoare annotation was computed. [2023-02-15 02:16:41,776 INFO L899 garLoopResultBuilder]: For program point L11-10(line 11) no Hoare annotation was computed. [2023-02-15 02:16:41,776 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-15 02:16:41,776 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2023-02-15 02:16:41,777 INFO L899 garLoopResultBuilder]: For program point L11-12(line 11) no Hoare annotation was computed. [2023-02-15 02:16:41,777 INFO L899 garLoopResultBuilder]: For program point L11-13(line 11) no Hoare annotation was computed. [2023-02-15 02:16:41,777 INFO L899 garLoopResultBuilder]: For program point L11-14(line 11) no Hoare annotation was computed. [2023-02-15 02:16:41,777 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2023-02-15 02:16:41,777 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-15 02:16:41,777 INFO L899 garLoopResultBuilder]: For program point L11-15(line 11) no Hoare annotation was computed. [2023-02-15 02:16:41,777 INFO L899 garLoopResultBuilder]: For program point L11-16(line 11) no Hoare annotation was computed. [2023-02-15 02:16:41,778 INFO L899 garLoopResultBuilder]: For program point L11-18(lines 11 21) no Hoare annotation was computed. [2023-02-15 02:16:41,778 INFO L899 garLoopResultBuilder]: For program point L11-20(lines 11 21) no Hoare annotation was computed. [2023-02-15 02:16:41,778 INFO L899 garLoopResultBuilder]: For program point L16(line 16) no Hoare annotation was computed. [2023-02-15 02:16:41,778 INFO L899 garLoopResultBuilder]: For program point L16-1(line 16) no Hoare annotation was computed. [2023-02-15 02:16:41,778 INFO L899 garLoopResultBuilder]: For program point L12(lines 12 20) no Hoare annotation was computed. [2023-02-15 02:16:41,779 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2023-02-15 02:16:41,779 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2023-02-15 02:16:41,779 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-15 02:16:41,779 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2023-02-15 02:16:41,779 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2023-02-15 02:16:41,779 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2023-02-15 02:16:41,779 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2023-02-15 02:16:41,779 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-15 02:16:41,779 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2023-02-15 02:16:41,780 INFO L899 garLoopResultBuilder]: For program point L18(line 18) no Hoare annotation was computed. [2023-02-15 02:16:41,780 INFO L899 garLoopResultBuilder]: For program point L18-1(line 18) no Hoare annotation was computed. [2023-02-15 02:16:41,780 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2023-02-15 02:16:41,780 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2023-02-15 02:16:41,782 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:16:41,784 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-15 02:16:41,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 02:16:41 BoogieIcfgContainer [2023-02-15 02:16:41,797 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 02:16:41,798 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 02:16:41,798 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 02:16:41,798 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 02:16:41,798 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:16:39" (3/4) ... [2023-02-15 02:16:41,801 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-15 02:16:41,808 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-15 02:16:41,809 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-15 02:16:41,809 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-15 02:16:41,838 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-15 02:16:41,839 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 02:16:41,839 INFO L158 Benchmark]: Toolchain (without parser) took 3074.42ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 77.1MB in the beginning and 66.8MB in the end (delta: 10.4MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2023-02-15 02:16:41,839 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 02:16:41,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 165.65ms. Allocated memory is still 121.6MB. Free memory was 77.1MB in the beginning and 67.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 02:16:41,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.45ms. Allocated memory is still 121.6MB. Free memory was 67.8MB in the beginning and 66.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 02:16:41,840 INFO L158 Benchmark]: Boogie Preprocessor took 19.51ms. Allocated memory is still 121.6MB. Free memory was 66.5MB in the beginning and 65.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 02:16:41,840 INFO L158 Benchmark]: RCFGBuilder took 305.46ms. Allocated memory is still 121.6MB. Free memory was 65.2MB in the beginning and 54.5MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-15 02:16:41,841 INFO L158 Benchmark]: TraceAbstraction took 2515.13ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 53.6MB in the beginning and 69.9MB in the end (delta: -16.3MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2023-02-15 02:16:41,841 INFO L158 Benchmark]: Witness Printer took 41.03ms. Allocated memory is still 159.4MB. Free memory was 69.9MB in the beginning and 66.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-15 02:16:41,844 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 165.65ms. Allocated memory is still 121.6MB. Free memory was 77.1MB in the beginning and 67.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.45ms. Allocated memory is still 121.6MB. Free memory was 67.8MB in the beginning and 66.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.51ms. Allocated memory is still 121.6MB. Free memory was 66.5MB in the beginning and 65.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 305.46ms. Allocated memory is still 121.6MB. Free memory was 65.2MB in the beginning and 54.5MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2515.13ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 53.6MB in the beginning and 69.9MB in the end (delta: -16.3MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * Witness Printer took 41.03ms. Allocated memory is still 159.4MB. Free memory was 69.9MB in the beginning and 66.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: 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: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: 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, 41 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 17, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 725 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 725 mSDsluCounter, 896 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 462 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 853 IncrementalHoareTripleChecker+Invalid, 928 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 434 mSDtfsCounter, 853 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=207occurred in iteration=8, InterpolantAutomatonStates: 84, 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, 17 MinimizatonAttempts, 304 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 9 NumberOfFragments, 35 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 530 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 239 ConstructedInterpolants, 0 QuantifiedInterpolants, 761 SizeOfPredicates, 1 NumberOfNonLiveVariables, 35 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 18 InterpolantComputations, 17 PerfectInterpolantSequences, 15/17 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 12 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: x <= 2147483647 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: (((x <= 2147483647 && 0 <= x + 2147483648) && 0 <= y + 2147483648) && y <= 2147483647) || ((0 <= x + 2147483646 && y <= 2147483647) && x + 1 <= 0) RESULT: Ultimate proved your program to be correct! [2023-02-15 02:16:41,869 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