./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-zilu/benchmark10_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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/loop-zilu/benchmark10_conjunctive.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-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 32bit --witnessprinter.graph.data.programhash 5a9444e5380fed44b00432b26b7edd9414dfa93ba2d2f76306ea753732eae2b3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-2329fc7 [2023-02-14 02:38:54,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 02:38:54,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 02:38:54,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 02:38:54,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 02:38:54,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 02:38:54,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 02:38:54,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 02:38:54,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 02:38:54,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 02:38:54,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 02:38:54,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 02:38:54,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 02:38:54,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 02:38:54,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 02:38:54,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 02:38:54,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 02:38:54,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 02:38:54,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 02:38:54,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 02:38:54,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 02:38:54,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 02:38:54,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 02:38:54,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 02:38:54,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 02:38:54,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 02:38:54,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 02:38:54,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 02:38:54,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 02:38:54,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 02:38:54,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 02:38:54,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 02:38:54,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 02:38:54,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 02:38:54,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 02:38:54,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 02:38:54,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 02:38:54,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 02:38:54,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 02:38:54,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 02:38:54,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 02:38:54,338 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-02-14 02:38:54,356 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 02:38:54,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 02:38:54,356 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 02:38:54,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 02:38:54,357 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 02:38:54,357 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 02:38:54,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 02:38:54,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 02:38:54,358 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 02:38:54,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 02:38:54,359 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-14 02:38:54,359 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-14 02:38:54,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 02:38:54,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-14 02:38:54,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 02:38:54,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-14 02:38:54,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 02:38:54,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-14 02:38:54,360 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-14 02:38:54,360 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-14 02:38:54,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 02:38:54,360 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 02:38:54,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-14 02:38:54,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 02:38:54,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 02:38:54,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 02:38:54,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 02:38:54,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 02:38:54,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 02:38:54,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-14 02:38:54,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-14 02:38:54,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-14 02:38:54,362 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 02:38:54,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-14 02:38:54,362 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 02:38:54,362 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 02:38:54,363 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 02:38:54,363 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a9444e5380fed44b00432b26b7edd9414dfa93ba2d2f76306ea753732eae2b3 [2023-02-14 02:38:54,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 02:38:54,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 02:38:54,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 02:38:54,584 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 02:38:54,584 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 02:38:54,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-zilu/benchmark10_conjunctive.i [2023-02-14 02:38:55,493 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 02:38:55,642 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 02:38:55,643 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark10_conjunctive.i [2023-02-14 02:38:55,646 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72fb1215e/44c5eb395c6040e0a7761fba98ffc8d8/FLAG3bb57eada [2023-02-14 02:38:56,080 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72fb1215e/44c5eb395c6040e0a7761fba98ffc8d8 [2023-02-14 02:38:56,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 02:38:56,085 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 02:38:56,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 02:38:56,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 02:38:56,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 02:38:56,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:38:56" (1/1) ... [2023-02-14 02:38:56,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fe7e010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:38:56, skipping insertion in model container [2023-02-14 02:38:56,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:38:56" (1/1) ... [2023-02-14 02:38:56,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 02:38:56,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 02:38:56,202 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark10_conjunctive.i[873,886] [2023-02-14 02:38:56,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 02:38:56,213 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 02:38:56,221 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark10_conjunctive.i[873,886] [2023-02-14 02:38:56,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 02:38:56,232 INFO L208 MainTranslator]: Completed translation [2023-02-14 02:38:56,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:38:56 WrapperNode [2023-02-14 02:38:56,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 02:38:56,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 02:38:56,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 02:38:56,234 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 02:38:56,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:38:56" (1/1) ... [2023-02-14 02:38:56,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:38:56" (1/1) ... [2023-02-14 02:38:56,251 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2023-02-14 02:38:56,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 02:38:56,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 02:38:56,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 02:38:56,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 02:38:56,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:38:56" (1/1) ... [2023-02-14 02:38:56,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:38:56" (1/1) ... [2023-02-14 02:38:56,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:38:56" (1/1) ... [2023-02-14 02:38:56,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:38:56" (1/1) ... [2023-02-14 02:38:56,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:38:56" (1/1) ... [2023-02-14 02:38:56,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:38:56" (1/1) ... [2023-02-14 02:38:56,265 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:38:56" (1/1) ... [2023-02-14 02:38:56,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:38:56" (1/1) ... [2023-02-14 02:38:56,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 02:38:56,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 02:38:56,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 02:38:56,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 02:38:56,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:38:56" (1/1) ... [2023-02-14 02:38:56,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 02:38:56,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:38:56,299 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) [2023-02-14 02:38:56,307 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 [2023-02-14 02:38:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-14 02:38:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-14 02:38:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 02:38:56,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 02:38:56,382 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 02:38:56,384 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 02:38:56,514 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 02:38:56,518 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 02:38:56,518 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-14 02:38:56,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:38:56 BoogieIcfgContainer [2023-02-14 02:38:56,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 02:38:56,539 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 02:38:56,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 02:38:56,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 02:38:56,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 02:38:56" (1/3) ... [2023-02-14 02:38:56,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38651353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:38:56, skipping insertion in model container [2023-02-14 02:38:56,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:38:56" (2/3) ... [2023-02-14 02:38:56,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38651353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:38:56, skipping insertion in model container [2023-02-14 02:38:56,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:38:56" (3/3) ... [2023-02-14 02:38:56,543 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark10_conjunctive.i [2023-02-14 02:38:56,555 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 02:38:56,569 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-02-14 02:38:56,615 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-14 02:38:56,630 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;@2c22c134, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-14 02:38:56,630 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-02-14 02:38:56,636 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 18 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) [2023-02-14 02:38:56,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-14 02:38:56,642 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:38:56,645 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-14 02:38:56,646 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-14 02:38:56,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:38:56,662 INFO L85 PathProgramCache]: Analyzing trace with hash 28695973, now seen corresponding path program 1 times [2023-02-14 02:38:56,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:38:56,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506421301] [2023-02-14 02:38:56,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:38:56,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:38:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:38:56,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:38:56,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:38:56,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506421301] [2023-02-14 02:38:56,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506421301] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:38:56,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:38:56,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-14 02:38:56,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653228174] [2023-02-14 02:38:56,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:38:56,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 02:38:56,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:38:56,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 02:38:56,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 02:38:56,879 INFO L87 Difference]: Start difference. First operand has 19 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 18 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) 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) [2023-02-14 02:38:56,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:38:56,929 INFO L93 Difference]: Finished difference Result 35 states and 42 transitions. [2023-02-14 02:38:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 02:38:56,931 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 [2023-02-14 02:38:56,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:38:56,935 INFO L225 Difference]: With dead ends: 35 [2023-02-14 02:38:56,935 INFO L226 Difference]: Without dead ends: 16 [2023-02-14 02:38:56,937 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 [2023-02-14 02:38:56,940 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 8 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 22 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 [2023-02-14 02:38:56,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 22 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 02:38:56,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-02-14 02:38:56,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2023-02-14 02:38:56,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:38:56,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-02-14 02:38:56,970 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 5 [2023-02-14 02:38:56,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:38:56,971 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-02-14 02:38:56,971 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) [2023-02-14 02:38:56,971 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2023-02-14 02:38:56,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-14 02:38:56,972 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:38:56,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-14 02:38:56,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-14 02:38:56,973 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-14 02:38:56,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:38:56,975 INFO L85 PathProgramCache]: Analyzing trace with hash 889575213, now seen corresponding path program 1 times [2023-02-14 02:38:56,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:38:56,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028138896] [2023-02-14 02:38:56,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:38:56,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:38:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:38:57,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:38:57,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:38:57,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028138896] [2023-02-14 02:38:57,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028138896] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:38:57,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:38:57,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-14 02:38:57,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360742861] [2023-02-14 02:38:57,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:38:57,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 02:38:57,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:38:57,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 02:38:57,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 02:38:57,020 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) [2023-02-14 02:38:57,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:38:57,039 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2023-02-14 02:38:57,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 02:38:57,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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 [2023-02-14 02:38:57,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:38:57,040 INFO L225 Difference]: With dead ends: 17 [2023-02-14 02:38:57,041 INFO L226 Difference]: Without dead ends: 16 [2023-02-14 02:38:57,041 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 [2023-02-14 02:38:57,042 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 02:38:57,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 02:38:57,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-02-14 02:38:57,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-02-14 02:38:57,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 15 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) [2023-02-14 02:38:57,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2023-02-14 02:38:57,045 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 6 [2023-02-14 02:38:57,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:38:57,046 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2023-02-14 02:38:57,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) [2023-02-14 02:38:57,046 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2023-02-14 02:38:57,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-14 02:38:57,046 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:38:57,047 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-14 02:38:57,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-14 02:38:57,047 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-14 02:38:57,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:38:57,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1807027879, now seen corresponding path program 1 times [2023-02-14 02:38:57,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:38:57,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874353476] [2023-02-14 02:38:57,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:38:57,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:38:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:38:57,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:38:57,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:38:57,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874353476] [2023-02-14 02:38:57,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874353476] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:38:57,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:38:57,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-14 02:38:57,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778985336] [2023-02-14 02:38:57,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:38:57,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 02:38:57,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:38:57,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 02:38:57,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 02:38:57,086 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:38:57,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:38:57,096 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2023-02-14 02:38:57,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 02:38:57,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-02-14 02:38:57,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:38:57,097 INFO L225 Difference]: With dead ends: 16 [2023-02-14 02:38:57,097 INFO L226 Difference]: Without dead ends: 15 [2023-02-14 02:38:57,098 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 [2023-02-14 02:38:57,100 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 5 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 02:38:57,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 02:38:57,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-02-14 02:38:57,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-02-14 02:38:57,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.25) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:38:57,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-02-14 02:38:57,109 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 7 [2023-02-14 02:38:57,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:38:57,109 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-02-14 02:38:57,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:38:57,109 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2023-02-14 02:38:57,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-14 02:38:57,110 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:38:57,110 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 02:38:57,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-14 02:38:57,110 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-14 02:38:57,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:38:57,111 INFO L85 PathProgramCache]: Analyzing trace with hash 183289455, now seen corresponding path program 1 times [2023-02-14 02:38:57,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:38:57,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955831078] [2023-02-14 02:38:57,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:38:57,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:38:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:38:57,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:38:57,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:38:57,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955831078] [2023-02-14 02:38:57,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955831078] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:38:57,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:38:57,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-14 02:38:57,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994109680] [2023-02-14 02:38:57,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:38:57,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 02:38:57,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:38:57,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 02:38:57,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 02:38:57,164 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:38:57,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:38:57,184 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2023-02-14 02:38:57,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 02:38:57,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-02-14 02:38:57,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:38:57,186 INFO L225 Difference]: With dead ends: 18 [2023-02-14 02:38:57,187 INFO L226 Difference]: Without dead ends: 17 [2023-02-14 02:38:57,187 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 [2023-02-14 02:38:57,188 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 02:38:57,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 02:38:57,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2023-02-14 02:38:57,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2023-02-14 02:38:57,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 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) [2023-02-14 02:38:57,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2023-02-14 02:38:57,196 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 8 [2023-02-14 02:38:57,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:38:57,196 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2023-02-14 02:38:57,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:38:57,196 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2023-02-14 02:38:57,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-14 02:38:57,197 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:38:57,197 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 02:38:57,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-14 02:38:57,197 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-14 02:38:57,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:38:57,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1472778862, now seen corresponding path program 1 times [2023-02-14 02:38:57,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:38:57,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978688694] [2023-02-14 02:38:57,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:38:57,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:38:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:38:57,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:38:57,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:38:57,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978688694] [2023-02-14 02:38:57,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978688694] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:38:57,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:38:57,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-14 02:38:57,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035426449] [2023-02-14 02:38:57,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:38:57,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-14 02:38:57,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:38:57,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-14 02:38:57,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-14 02:38:57,241 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 5 states, 4 states have (on average 2.75) 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) [2023-02-14 02:38:57,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:38:57,285 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2023-02-14 02:38:57,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-14 02:38:57,286 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) 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 [2023-02-14 02:38:57,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:38:57,286 INFO L225 Difference]: With dead ends: 17 [2023-02-14 02:38:57,287 INFO L226 Difference]: Without dead ends: 16 [2023-02-14 02:38:57,288 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 [2023-02-14 02:38:57,292 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 7 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 02:38:57,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 10 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 02:38:57,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-02-14 02:38:57,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-02-14 02:38:57,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 15 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) [2023-02-14 02:38:57,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2023-02-14 02:38:57,296 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 11 [2023-02-14 02:38:57,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:38:57,297 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2023-02-14 02:38:57,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) 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) [2023-02-14 02:38:57,297 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2023-02-14 02:38:57,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-14 02:38:57,297 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:38:57,298 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 02:38:57,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-14 02:38:57,298 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-14 02:38:57,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:38:57,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1588495484, now seen corresponding path program 1 times [2023-02-14 02:38:57,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:38:57,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366623602] [2023-02-14 02:38:57,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:38:57,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:38:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:38:57,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:38:57,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:38:57,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366623602] [2023-02-14 02:38:57,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366623602] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:38:57,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370425340] [2023-02-14 02:38:57,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:38:57,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:38:57,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:38:57,380 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) [2023-02-14 02:38:57,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-14 02:38:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:38:57,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-14 02:38:57,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:38:57,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:38:57,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:38:57,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:38:57,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370425340] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:38:57,580 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:38:57,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2023-02-14 02:38:57,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700036564] [2023-02-14 02:38:57,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:38:57,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-02-14 02:38:57,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:38:57,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-02-14 02:38:57,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-02-14 02:38:57,584 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:38:57,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:38:57,654 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2023-02-14 02:38:57,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-14 02:38:57,654 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-02-14 02:38:57,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:38:57,655 INFO L225 Difference]: With dead ends: 28 [2023-02-14 02:38:57,655 INFO L226 Difference]: Without dead ends: 27 [2023-02-14 02:38:57,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2023-02-14 02:38:57,656 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 10 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 02:38:57,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 13 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 02:38:57,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-02-14 02:38:57,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2023-02-14 02:38:57,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 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) [2023-02-14 02:38:57,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2023-02-14 02:38:57,659 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 12 [2023-02-14 02:38:57,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:38:57,660 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2023-02-14 02:38:57,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:38:57,660 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2023-02-14 02:38:57,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-14 02:38:57,660 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:38:57,660 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-02-14 02:38:57,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-02-14 02:38:57,865 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,SelfDestructingSolverStorable5 [2023-02-14 02:38:57,866 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-14 02:38:57,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:38:57,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1830768378, now seen corresponding path program 1 times [2023-02-14 02:38:57,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:38:57,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548918200] [2023-02-14 02:38:57,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:38:57,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:38:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:38:57,884 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-14 02:38:57,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:38:57,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548918200] [2023-02-14 02:38:57,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548918200] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:38:57,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:38:57,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-14 02:38:57,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918825062] [2023-02-14 02:38:57,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:38:57,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 02:38:57,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:38:57,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 02:38:57,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 02:38:57,886 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 3 states, 2 states have (on average 7.0) 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) [2023-02-14 02:38:57,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:38:57,894 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2023-02-14 02:38:57,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 02:38:57,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) 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 [2023-02-14 02:38:57,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:38:57,895 INFO L225 Difference]: With dead ends: 26 [2023-02-14 02:38:57,895 INFO L226 Difference]: Without dead ends: 25 [2023-02-14 02:38:57,895 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 [2023-02-14 02:38:57,895 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 1 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 02:38:57,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 02:38:57,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-02-14 02:38:57,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-02-14 02:38:57,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.0416666666666667) internal successors, (25), 24 states have internal predecessors, (25), 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) [2023-02-14 02:38:57,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2023-02-14 02:38:57,898 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 14 [2023-02-14 02:38:57,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:38:57,898 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2023-02-14 02:38:57,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) 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) [2023-02-14 02:38:57,898 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2023-02-14 02:38:57,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-02-14 02:38:57,899 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:38:57,899 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1] [2023-02-14 02:38:57,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-14 02:38:57,899 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-14 02:38:57,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:38:57,900 INFO L85 PathProgramCache]: Analyzing trace with hash 873274482, now seen corresponding path program 2 times [2023-02-14 02:38:57,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:38:57,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372883445] [2023-02-14 02:38:57,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:38:57,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:38:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:38:58,007 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:38:58,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:38:58,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372883445] [2023-02-14 02:38:58,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372883445] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:38:58,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998096938] [2023-02-14 02:38:58,007 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 02:38:58,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:38:58,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:38:58,009 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 02:38:58,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-14 02:38:58,040 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 02:38:58,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:38:58,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 9 conjunts are in the unsatisfiable core [2023-02-14 02:38:58,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:38:58,154 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:38:58,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:38:58,255 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:38:58,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998096938] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:38:58,256 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:38:58,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2023-02-14 02:38:58,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728855590] [2023-02-14 02:38:58,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:38:58,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-02-14 02:38:58,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:38:58,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-02-14 02:38:58,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2023-02-14 02:38:58,258 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand has 22 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 22 states have internal predecessors, (65), 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) [2023-02-14 02:38:58,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:38:58,506 INFO L93 Difference]: Finished difference Result 50 states and 53 transitions. [2023-02-14 02:38:58,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-02-14 02:38:58,507 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 22 states have internal predecessors, (65), 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 24 [2023-02-14 02:38:58,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:38:58,507 INFO L225 Difference]: With dead ends: 50 [2023-02-14 02:38:58,507 INFO L226 Difference]: Without dead ends: 49 [2023-02-14 02:38:58,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=413, Invalid=919, Unknown=0, NotChecked=0, Total=1332 [2023-02-14 02:38:58,509 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 36 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 02:38:58,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 19 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 02:38:58,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-02-14 02:38:58,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-02-14 02:38:58,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.0208333333333333) internal successors, (49), 48 states have internal predecessors, (49), 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) [2023-02-14 02:38:58,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2023-02-14 02:38:58,513 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 24 [2023-02-14 02:38:58,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:38:58,514 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2023-02-14 02:38:58,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 22 states have internal predecessors, (65), 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) [2023-02-14 02:38:58,514 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2023-02-14 02:38:58,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-02-14 02:38:58,515 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:38:58,515 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 1, 1, 1, 1] [2023-02-14 02:38:58,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-14 02:38:58,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-02-14 02:38:58,719 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-14 02:38:58,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:38:58,720 INFO L85 PathProgramCache]: Analyzing trace with hash 250347342, now seen corresponding path program 3 times [2023-02-14 02:38:58,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:38:58,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729144877] [2023-02-14 02:38:58,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:38:58,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:38:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:38:58,898 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:38:58,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:38:58,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729144877] [2023-02-14 02:38:58,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729144877] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:38:58,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223532760] [2023-02-14 02:38:58,899 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-14 02:38:58,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:38:58,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:38:58,901 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 02:38:58,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-14 02:38:58,931 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-02-14 02:38:58,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:38:58,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 17 conjunts are in the unsatisfiable core [2023-02-14 02:38:58,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:38:59,186 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:38:59,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:38:59,546 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:38:59,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223532760] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:38:59,546 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:38:59,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 45 [2023-02-14 02:38:59,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99605617] [2023-02-14 02:38:59,546 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:38:59,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-02-14 02:38:59,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:38:59,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-02-14 02:38:59,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=471, Invalid=1599, Unknown=0, NotChecked=0, Total=2070 [2023-02-14 02:38:59,551 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand has 46 states, 45 states have (on average 3.111111111111111) internal successors, (140), 46 states have internal predecessors, (140), 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) [2023-02-14 02:39:00,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:39:00,767 INFO L93 Difference]: Finished difference Result 98 states and 105 transitions. [2023-02-14 02:39:00,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-02-14 02:39:00,767 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 3.111111111111111) internal successors, (140), 46 states have internal predecessors, (140), 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 48 [2023-02-14 02:39:00,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:39:00,768 INFO L225 Difference]: With dead ends: 98 [2023-02-14 02:39:00,768 INFO L226 Difference]: Without dead ends: 97 [2023-02-14 02:39:00,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2586 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=2142, Invalid=5514, Unknown=0, NotChecked=0, Total=7656 [2023-02-14 02:39:00,772 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 86 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-14 02:39:00,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 16 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-14 02:39:00,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-02-14 02:39:00,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-02-14 02:39:00,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.0104166666666667) internal successors, (97), 96 states have internal predecessors, (97), 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) [2023-02-14 02:39:00,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2023-02-14 02:39:00,787 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 97 transitions. Word has length 48 [2023-02-14 02:39:00,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:39:00,787 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 97 transitions. [2023-02-14 02:39:00,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 3.111111111111111) internal successors, (140), 46 states have internal predecessors, (140), 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) [2023-02-14 02:39:00,788 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2023-02-14 02:39:00,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-02-14 02:39:00,789 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:39:00,789 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 1, 1, 1, 1] [2023-02-14 02:39:00,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-14 02:39:00,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:39:00,990 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-14 02:39:00,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:39:00,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1750747398, now seen corresponding path program 4 times [2023-02-14 02:39:00,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:39:00,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213413964] [2023-02-14 02:39:00,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:39:00,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:39:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:39:01,569 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 0 proven. 675 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:39:01,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:39:01,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213413964] [2023-02-14 02:39:01,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213413964] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:39:01,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016240677] [2023-02-14 02:39:01,569 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-14 02:39:01,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:39:01,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:39:01,571 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 02:39:01,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-14 02:39:01,611 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-14 02:39:01,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:39:01,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 33 conjunts are in the unsatisfiable core [2023-02-14 02:39:01,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:39:02,270 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 0 proven. 675 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:39:02,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:39:03,415 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 0 proven. 675 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:39:03,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016240677] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:39:03,416 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:39:03,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 85 [2023-02-14 02:39:03,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145856965] [2023-02-14 02:39:03,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:39:03,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2023-02-14 02:39:03,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:39:03,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2023-02-14 02:39:03,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1335, Invalid=5975, Unknown=0, NotChecked=0, Total=7310 [2023-02-14 02:39:03,420 INFO L87 Difference]: Start difference. First operand 97 states and 97 transitions. Second operand has 86 states, 85 states have (on average 3.023529411764706) internal successors, (257), 86 states have internal predecessors, (257), 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) [2023-02-14 02:39:07,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:39:07,415 INFO L93 Difference]: Finished difference Result 200 states and 216 transitions. [2023-02-14 02:39:07,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2023-02-14 02:39:07,418 INFO L78 Accepts]: Start accepts. Automaton has has 86 states, 85 states have (on average 3.023529411764706) internal successors, (257), 86 states have internal predecessors, (257), 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 96 [2023-02-14 02:39:07,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:39:07,419 INFO L225 Difference]: With dead ends: 200 [2023-02-14 02:39:07,422 INFO L226 Difference]: Without dead ends: 199 [2023-02-14 02:39:07,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12015 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=9174, Invalid=24866, Unknown=0, NotChecked=0, Total=34040 [2023-02-14 02:39:07,428 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 425 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 2120 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 2303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 2120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-02-14 02:39:07,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 28 Invalid, 2303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 2120 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-02-14 02:39:07,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2023-02-14 02:39:07,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2023-02-14 02:39:07,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 198 states have (on average 1.005050505050505) internal successors, (199), 198 states have internal predecessors, (199), 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) [2023-02-14 02:39:07,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 199 transitions. [2023-02-14 02:39:07,447 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 199 transitions. Word has length 96 [2023-02-14 02:39:07,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:39:07,449 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 199 transitions. [2023-02-14 02:39:07,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 85 states have (on average 3.023529411764706) internal successors, (257), 86 states have internal predecessors, (257), 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) [2023-02-14 02:39:07,450 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 199 transitions. [2023-02-14 02:39:07,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-02-14 02:39:07,458 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:39:07,458 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 1, 1, 1, 1] [2023-02-14 02:39:07,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-14 02:39:07,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:39:07,664 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-14 02:39:07,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:39:07,664 INFO L85 PathProgramCache]: Analyzing trace with hash -2028489203, now seen corresponding path program 5 times [2023-02-14 02:39:07,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:39:07,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255097056] [2023-02-14 02:39:07,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:39:07,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:39:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:39:09,901 INFO L134 CoverageAnalysis]: Checked inductivity of 3072 backedges. 0 proven. 3072 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:39:09,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:39:09,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255097056] [2023-02-14 02:39:09,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255097056] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:39:09,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456743098] [2023-02-14 02:39:09,902 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-14 02:39:09,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:39:09,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:39:09,903 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 02:39:09,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-14 02:39:09,969 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 33 check-sat command(s) [2023-02-14 02:39:09,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:39:09,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 67 conjunts are in the unsatisfiable core [2023-02-14 02:39:09,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:39:12,978 INFO L134 CoverageAnalysis]: Checked inductivity of 3072 backedges. 0 proven. 3072 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:39:12,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:39:17,600 INFO L134 CoverageAnalysis]: Checked inductivity of 3072 backedges. 0 proven. 3072 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:39:17,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456743098] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:39:17,600 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:39:17,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 66, 66] total 187 [2023-02-14 02:39:17,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772341099] [2023-02-14 02:39:17,600 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:39:17,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 188 states [2023-02-14 02:39:17,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:39:17,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 188 interpolants. [2023-02-14 02:39:17,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5811, Invalid=29345, Unknown=0, NotChecked=0, Total=35156 [2023-02-14 02:39:17,606 INFO L87 Difference]: Start difference. First operand 199 states and 199 transitions. Second operand has 188 states, 187 states have (on average 3.0106951871657754) internal successors, (563), 188 states have internal predecessors, (563), 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) [2023-02-14 02:39:37,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:39:37,550 INFO L93 Difference]: Finished difference Result 434 states and 472 transitions. [2023-02-14 02:39:37,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2023-02-14 02:39:37,551 INFO L78 Accepts]: Start accepts. Automaton has has 188 states, 187 states have (on average 3.0106951871657754) internal successors, (563), 188 states have internal predecessors, (563), 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 198 [2023-02-14 02:39:37,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:39:37,553 INFO L225 Difference]: With dead ends: 434 [2023-02-14 02:39:37,553 INFO L226 Difference]: Without dead ends: 433 [2023-02-14 02:39:37,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 684 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 410 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61071 ImplicationChecksByTransitivity, 24.0s TimeCoverageRelationStatistics Valid=44940, Invalid=124392, Unknown=0, NotChecked=0, Total=169332 [2023-02-14 02:39:37,562 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 1888 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 10822 mSolverCounterSat, 725 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1888 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 11547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 725 IncrementalHoareTripleChecker+Valid, 10822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-02-14 02:39:37,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1888 Valid, 72 Invalid, 11547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [725 Valid, 10822 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-02-14 02:39:37,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2023-02-14 02:39:37,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2023-02-14 02:39:37,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 432 states have (on average 1.0023148148148149) internal successors, (433), 432 states have internal predecessors, (433), 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) [2023-02-14 02:39:37,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 433 transitions. [2023-02-14 02:39:37,578 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 433 transitions. Word has length 198 [2023-02-14 02:39:37,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:39:37,579 INFO L495 AbstractCegarLoop]: Abstraction has 433 states and 433 transitions. [2023-02-14 02:39:37,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 188 states, 187 states have (on average 3.0106951871657754) internal successors, (563), 188 states have internal predecessors, (563), 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) [2023-02-14 02:39:37,579 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 433 transitions. [2023-02-14 02:39:37,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2023-02-14 02:39:37,582 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:39:37,582 INFO L195 NwaCegarLoop]: trace histogram [72, 72, 71, 71, 71, 71, 1, 1, 1, 1] [2023-02-14 02:39:37,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-02-14 02:39:37,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-02-14 02:39:37,788 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-14 02:39:37,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:39:37,788 INFO L85 PathProgramCache]: Analyzing trace with hash 774999310, now seen corresponding path program 6 times [2023-02-14 02:39:37,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:39:37,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401845178] [2023-02-14 02:39:37,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:39:37,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:39:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:39:46,625 INFO L134 CoverageAnalysis]: Checked inductivity of 15123 backedges. 0 proven. 15123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:39:46,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:39:46,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401845178] [2023-02-14 02:39:46,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401845178] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:39:46,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781694016] [2023-02-14 02:39:46,626 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-14 02:39:46,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:39:46,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:39:46,627 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 02:39:46,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-14 02:39:46,779 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 72 check-sat command(s) [2023-02-14 02:39:46,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:39:46,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 145 conjunts are in the unsatisfiable core [2023-02-14 02:39:46,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:39:59,483 INFO L134 CoverageAnalysis]: Checked inductivity of 15123 backedges. 0 proven. 15123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:39:59,483 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:40:17,576 INFO L134 CoverageAnalysis]: Checked inductivity of 15123 backedges. 0 proven. 15123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:40:17,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781694016] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:40:17,576 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:40:17,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [144, 144, 144] total 430 [2023-02-14 02:40:17,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789197381] [2023-02-14 02:40:17,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:40:17,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 431 states [2023-02-14 02:40:17,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:40:17,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 431 interpolants. [2023-02-14 02:40:17,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27715, Invalid=157615, Unknown=0, NotChecked=0, Total=185330 [2023-02-14 02:40:17,592 INFO L87 Difference]: Start difference. First operand 433 states and 433 transitions. Second operand has 431 states, 430 states have (on average 3.0046511627906978) internal successors, (1292), 431 states have internal predecessors, (1292), 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) [2023-02-14 02:42:46,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:42:46,896 INFO L93 Difference]: Finished difference Result 866 states and 937 transitions. [2023-02-14 02:42:46,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 452 states. [2023-02-14 02:42:46,897 INFO L78 Accepts]: Start accepts. Automaton has has 431 states, 430 states have (on average 3.0046511627906978) internal successors, (1292), 431 states have internal predecessors, (1292), 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 432 [2023-02-14 02:42:46,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:42:46,900 INFO L225 Difference]: With dead ends: 866 [2023-02-14 02:42:46,900 INFO L226 Difference]: Without dead ends: 865 [2023-02-14 02:42:46,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1454 GetRequests, 577 SyntacticMatches, 0 SemanticMatches, 877 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300294 ImplicationChecksByTransitivity, 164.1s TimeCoverageRelationStatistics Valid=195056, Invalid=576706, Unknown=0, NotChecked=0, Total=771762 [2023-02-14 02:42:46,944 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 8463 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 48401 mSolverCounterSat, 4825 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8463 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 53226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4825 IncrementalHoareTripleChecker+Valid, 48401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2023-02-14 02:42:46,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8463 Valid, 127 Invalid, 53226 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4825 Valid, 48401 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2023-02-14 02:42:46,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2023-02-14 02:42:46,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 865. [2023-02-14 02:42:46,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 864 states have (on average 1.0011574074074074) internal successors, (865), 864 states have internal predecessors, (865), 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) [2023-02-14 02:42:46,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 865 transitions. [2023-02-14 02:42:46,976 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 865 transitions. Word has length 432 [2023-02-14 02:42:46,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:42:46,976 INFO L495 AbstractCegarLoop]: Abstraction has 865 states and 865 transitions. [2023-02-14 02:42:46,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 431 states, 430 states have (on average 3.0046511627906978) internal successors, (1292), 431 states have internal predecessors, (1292), 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) [2023-02-14 02:42:46,977 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 865 transitions. [2023-02-14 02:42:46,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 865 [2023-02-14 02:42:46,988 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:42:46,988 INFO L195 NwaCegarLoop]: trace histogram [144, 144, 143, 143, 143, 143, 1, 1, 1, 1] [2023-02-14 02:42:46,994 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-02-14 02:42:47,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:42:47,194 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-14 02:42:47,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:42:47,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1092379782, now seen corresponding path program 7 times [2023-02-14 02:42:47,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:42:47,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040899208] [2023-02-14 02:42:47,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:42:47,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:42:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:42:54,895 INFO L134 CoverageAnalysis]: Checked inductivity of 61347 backedges. 55671 proven. 0 refuted. 0 times theorem prover too weak. 5676 trivial. 0 not checked. [2023-02-14 02:42:54,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:42:54,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040899208] [2023-02-14 02:42:54,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040899208] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:42:54,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:42:54,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [102] imperfect sequences [] total 102 [2023-02-14 02:42:54,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281786582] [2023-02-14 02:42:54,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:42:54,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2023-02-14 02:42:54,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:42:54,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2023-02-14 02:42:54,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5151, Invalid=5151, Unknown=0, NotChecked=0, Total=10302 [2023-02-14 02:42:54,911 INFO L87 Difference]: Start difference. First operand 865 states and 865 transitions. Second operand has 102 states, 102 states have (on average 5.950980392156863) internal successors, (607), 102 states have internal predecessors, (607), 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) [2023-02-14 02:42:56,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:42:56,171 INFO L93 Difference]: Finished difference Result 865 states and 865 transitions. [2023-02-14 02:42:56,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-02-14 02:42:56,172 INFO L78 Accepts]: Start accepts. Automaton has has 102 states, 102 states have (on average 5.950980392156863) internal successors, (607), 102 states have internal predecessors, (607), 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 864 [2023-02-14 02:42:56,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:42:56,173 INFO L225 Difference]: With dead ends: 865 [2023-02-14 02:42:56,173 INFO L226 Difference]: Without dead ends: 0 [2023-02-14 02:42:56,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=5151, Invalid=5151, Unknown=0, NotChecked=0, Total=10302 [2023-02-14 02:42:56,176 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 2844 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 2844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-02-14 02:42:56,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 2844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2844 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-02-14 02:42:56,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-14 02:42:56,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-14 02:42:56,177 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) [2023-02-14 02:42:56,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-14 02:42:56,177 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 864 [2023-02-14 02:42:56,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:42:56,178 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-14 02:42:56,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 5.950980392156863) internal successors, (607), 102 states have internal predecessors, (607), 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) [2023-02-14 02:42:56,178 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-14 02:42:56,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-14 02:42:56,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-02-14 02:42:56,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-02-14 02:42:56,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-02-14 02:42:56,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-02-14 02:42:56,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-02-14 02:42:56,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.