./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-restricted-15/java_Nested.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e8d55036 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-restricted-15/java_Nested.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6f3c7109e3632c85dc9002b2a2bde96ba9bdc501efcd49505c298845bf1ea677 --- Real Ultimate output --- This is Ultimate 0.2.2-?-e8d5503-m [2023-02-15 23:07:45,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 23:07:45,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 23:07:45,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 23:07:45,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 23:07:45,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 23:07:45,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 23:07:45,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 23:07:45,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 23:07:45,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 23:07:45,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 23:07:45,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 23:07:45,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 23:07:45,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 23:07:45,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 23:07:45,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 23:07:45,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 23:07:45,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 23:07:45,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 23:07:45,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 23:07:45,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 23:07:45,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 23:07:45,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 23:07:45,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 23:07:45,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 23:07:45,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 23:07:45,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 23:07:45,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 23:07:45,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 23:07:45,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 23:07:45,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 23:07:45,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 23:07:45,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 23:07:45,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 23:07:45,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 23:07:45,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 23:07:45,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 23:07:45,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 23:07:45,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 23:07:45,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 23:07:45,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 23:07:45,391 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-15 23:07:45,424 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 23:07:45,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 23:07:45,425 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 23:07:45,425 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 23:07:45,426 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 23:07:45,426 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 23:07:45,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 23:07:45,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 23:07:45,427 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 23:07:45,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 23:07:45,428 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 23:07:45,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 23:07:45,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 23:07:45,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 23:07:45,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 23:07:45,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 23:07:45,429 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-15 23:07:45,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 23:07:45,430 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 23:07:45,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 23:07:45,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 23:07:45,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 23:07:45,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 23:07:45,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 23:07:45,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 23:07:45,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 23:07:45,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 23:07:45,431 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 23:07:45,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 23:07:45,432 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 23:07:45,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 23:07:45,432 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 23:07:45,432 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 23:07:45,433 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 23:07:45,433 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f3c7109e3632c85dc9002b2a2bde96ba9bdc501efcd49505c298845bf1ea677 [2023-02-15 23:07:45,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 23:07:45,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 23:07:45,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 23:07:45,716 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 23:07:45,716 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 23:07:45,717 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/java_Nested.c [2023-02-15 23:07:46,839 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 23:07:47,022 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 23:07:47,023 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/java_Nested.c [2023-02-15 23:07:47,028 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/782c3e97d/710f35f19df947a1aeb5719d0a4368d9/FLAG36778a2f1 [2023-02-15 23:07:47,042 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/782c3e97d/710f35f19df947a1aeb5719d0a4368d9 [2023-02-15 23:07:47,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 23:07:47,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 23:07:47,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 23:07:47,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 23:07:47,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 23:07:47,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 11:07:47" (1/1) ... [2023-02-15 23:07:47,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161c23a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:47, skipping insertion in model container [2023-02-15 23:07:47,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 11:07:47" (1/1) ... [2023-02-15 23:07:47,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 23:07:47,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 23:07:47,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 23:07:47,212 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 23:07:47,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 23:07:47,233 INFO L208 MainTranslator]: Completed translation [2023-02-15 23:07:47,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:47 WrapperNode [2023-02-15 23:07:47,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 23:07:47,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 23:07:47,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 23:07:47,235 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 23:07:47,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:47" (1/1) ... [2023-02-15 23:07:47,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:47" (1/1) ... [2023-02-15 23:07:47,255 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2023-02-15 23:07:47,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 23:07:47,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 23:07:47,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 23:07:47,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 23:07:47,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:47" (1/1) ... [2023-02-15 23:07:47,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:47" (1/1) ... [2023-02-15 23:07:47,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:47" (1/1) ... [2023-02-15 23:07:47,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:47" (1/1) ... [2023-02-15 23:07:47,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:47" (1/1) ... [2023-02-15 23:07:47,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:47" (1/1) ... [2023-02-15 23:07:47,268 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:47" (1/1) ... [2023-02-15 23:07:47,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:47" (1/1) ... [2023-02-15 23:07:47,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 23:07:47,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 23:07:47,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 23:07:47,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 23:07:47,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:47" (1/1) ... [2023-02-15 23:07:47,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 23:07:47,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:07:47,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-15 23:07:47,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-15 23:07:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 23:07:47,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 23:07:47,387 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 23:07:47,389 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 23:07:47,461 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 23:07:47,466 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 23:07:47,467 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-15 23:07:47,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:07:47 BoogieIcfgContainer [2023-02-15 23:07:47,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 23:07:47,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 23:07:47,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 23:07:47,473 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 23:07:47,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 11:07:47" (1/3) ... [2023-02-15 23:07:47,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6551a773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 11:07:47, skipping insertion in model container [2023-02-15 23:07:47,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:47" (2/3) ... [2023-02-15 23:07:47,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6551a773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 11:07:47, skipping insertion in model container [2023-02-15 23:07:47,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:07:47" (3/3) ... [2023-02-15 23:07:47,476 INFO L112 eAbstractionObserver]: Analyzing ICFG java_Nested.c [2023-02-15 23:07:47,491 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 23:07:47,491 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-02-15 23:07:47,538 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 23:07:47,545 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;@19ce6892, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 23:07:47,546 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-02-15 23:07:47,549 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 15 states have (on average 1.8) internal successors, (27), 23 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) [2023-02-15 23:07:47,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-15 23:07:47,554 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:07:47,554 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-15 23:07:47,555 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 23:07:47,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:07:47,561 INFO L85 PathProgramCache]: Analyzing trace with hash 28699898, now seen corresponding path program 1 times [2023-02-15 23:07:47,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:07:47,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786947712] [2023-02-15 23:07:47,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:07:47,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:07:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:07:47,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:07:47,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:07:47,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786947712] [2023-02-15 23:07:47,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786947712] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:07:47,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:07:47,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 23:07:47,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756914848] [2023-02-15 23:07:47,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:07:47,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 23:07:47,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:07:47,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 23:07:47,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 23:07:47,725 INFO L87 Difference]: Start difference. First operand has 24 states, 15 states have (on average 1.8) internal successors, (27), 23 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) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:47,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:07:47,771 INFO L93 Difference]: Finished difference Result 55 states and 67 transitions. [2023-02-15 23:07:47,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 23:07:47,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-02-15 23:07:47,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:07:47,783 INFO L225 Difference]: With dead ends: 55 [2023-02-15 23:07:47,789 INFO L226 Difference]: Without dead ends: 29 [2023-02-15 23:07:47,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 23:07:47,795 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 9 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:07:47,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 31 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:07:47,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-02-15 23:07:47,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2023-02-15 23:07:47,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 26 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) [2023-02-15 23:07:47,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2023-02-15 23:07:47,829 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 5 [2023-02-15 23:07:47,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:07:47,830 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2023-02-15 23:07:47,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:47,830 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2023-02-15 23:07:47,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-15 23:07:47,831 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:07:47,831 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-15 23:07:47,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 23:07:47,831 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 23:07:47,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:07:47,849 INFO L85 PathProgramCache]: Analyzing trace with hash 28699945, now seen corresponding path program 1 times [2023-02-15 23:07:47,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:07:47,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311037801] [2023-02-15 23:07:47,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:07:47,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:07:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:07:47,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:07:47,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:07:47,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311037801] [2023-02-15 23:07:47,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311037801] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:07:47,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:07:47,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 23:07:47,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581557288] [2023-02-15 23:07:47,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:07:47,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 23:07:47,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:07:47,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 23:07:47,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 23:07:47,890 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:47,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:07:47,925 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2023-02-15 23:07:47,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 23:07:47,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-02-15 23:07:47,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:07:47,927 INFO L225 Difference]: With dead ends: 29 [2023-02-15 23:07:47,927 INFO L226 Difference]: Without dead ends: 28 [2023-02-15 23:07:47,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 23:07:47,929 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 5 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:07:47,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 24 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:07:47,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2023-02-15 23:07:47,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2023-02-15 23:07:47,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 19 states have (on average 1.631578947368421) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:47,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2023-02-15 23:07:47,935 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 5 [2023-02-15 23:07:47,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:07:47,935 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2023-02-15 23:07:47,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:47,936 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-02-15 23:07:47,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-15 23:07:47,936 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:07:47,936 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:07:47,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-15 23:07:47,937 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 23:07:47,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:07:47,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1810845099, now seen corresponding path program 1 times [2023-02-15 23:07:47,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:07:47,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995935752] [2023-02-15 23:07:47,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:07:47,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:07:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:07:48,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:07:48,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:07:48,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995935752] [2023-02-15 23:07:48,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995935752] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:07:48,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:07:48,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 23:07:48,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307192955] [2023-02-15 23:07:48,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:07:48,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 23:07:48,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:07:48,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 23:07:48,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 23:07:48,007 INFO L87 Difference]: Start difference. First operand 27 states and 31 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) [2023-02-15 23:07:48,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:07:48,025 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2023-02-15 23:07:48,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 23:07:48,025 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 [2023-02-15 23:07:48,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:07:48,026 INFO L225 Difference]: With dead ends: 27 [2023-02-15 23:07:48,026 INFO L226 Difference]: Without dead ends: 26 [2023-02-15 23:07:48,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 23:07:48,028 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 13 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:07:48,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 18 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:07:48,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-02-15 23:07:48,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2023-02-15 23:07:48,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 25 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:48,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2023-02-15 23:07:48,037 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 7 [2023-02-15 23:07:48,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:07:48,038 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2023-02-15 23:07:48,038 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) [2023-02-15 23:07:48,039 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-02-15 23:07:48,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-15 23:07:48,039 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:07:48,039 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:07:48,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-15 23:07:48,040 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 23:07:48,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:07:48,045 INFO L85 PathProgramCache]: Analyzing trace with hash 301623279, now seen corresponding path program 1 times [2023-02-15 23:07:48,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:07:48,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253741905] [2023-02-15 23:07:48,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:07:48,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:07:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:07:48,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:07:48,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:07:48,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253741905] [2023-02-15 23:07:48,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253741905] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:07:48,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:07:48,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 23:07:48,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321843938] [2023-02-15 23:07:48,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:07:48,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 23:07:48,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:07:48,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 23:07:48,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 23:07:48,093 INFO L87 Difference]: Start difference. First operand 26 states and 29 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) [2023-02-15 23:07:48,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:07:48,110 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2023-02-15 23:07:48,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 23:07:48,111 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 [2023-02-15 23:07:48,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:07:48,112 INFO L225 Difference]: With dead ends: 33 [2023-02-15 23:07:48,112 INFO L226 Difference]: Without dead ends: 32 [2023-02-15 23:07:48,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 23:07:48,114 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:07:48,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:07:48,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-02-15 23:07:48,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2023-02-15 23:07:48,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 25 states have (on average 1.4) internal successors, (35), 31 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:48,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2023-02-15 23:07:48,120 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 8 [2023-02-15 23:07:48,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:07:48,121 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2023-02-15 23:07:48,121 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) [2023-02-15 23:07:48,121 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2023-02-15 23:07:48,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-15 23:07:48,121 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:07:48,122 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:07:48,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-15 23:07:48,122 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 23:07:48,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:07:48,123 INFO L85 PathProgramCache]: Analyzing trace with hash 760387117, now seen corresponding path program 1 times [2023-02-15 23:07:48,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:07:48,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302208432] [2023-02-15 23:07:48,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:07:48,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:07:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:07:48,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:07:48,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:07:48,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302208432] [2023-02-15 23:07:48,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302208432] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:07:48,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:07:48,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 23:07:48,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923767270] [2023-02-15 23:07:48,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:07:48,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 23:07:48,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:07:48,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 23:07:48,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-15 23:07:48,182 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:48,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:07:48,213 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2023-02-15 23:07:48,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 23:07:48,214 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-02-15 23:07:48,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:07:48,215 INFO L225 Difference]: With dead ends: 32 [2023-02-15 23:07:48,215 INFO L226 Difference]: Without dead ends: 30 [2023-02-15 23:07:48,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-15 23:07:48,216 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 8 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:07:48,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 16 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:07:48,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-02-15 23:07:48,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2023-02-15 23:07:48,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 25 states have (on average 1.28) internal successors, (32), 29 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) [2023-02-15 23:07:48,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2023-02-15 23:07:48,234 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 9 [2023-02-15 23:07:48,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:07:48,235 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2023-02-15 23:07:48,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:48,235 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2023-02-15 23:07:48,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-15 23:07:48,235 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:07:48,236 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:07:48,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-15 23:07:48,236 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 23:07:48,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:07:48,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1035144580, now seen corresponding path program 1 times [2023-02-15 23:07:48,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:07:48,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645658458] [2023-02-15 23:07:48,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:07:48,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:07:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:07:48,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-15 23:07:48,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:07:48,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645658458] [2023-02-15 23:07:48,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645658458] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:07:48,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:07:48,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 23:07:48,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230179019] [2023-02-15 23:07:48,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:07:48,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 23:07:48,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:07:48,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 23:07:48,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 23:07:48,274 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:48,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:07:48,282 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2023-02-15 23:07:48,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 23:07:48,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-02-15 23:07:48,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:07:48,283 INFO L225 Difference]: With dead ends: 30 [2023-02-15 23:07:48,283 INFO L226 Difference]: Without dead ends: 29 [2023-02-15 23:07:48,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 23:07:48,285 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 5 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:07:48,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 14 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:07:48,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-02-15 23:07:48,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-02-15 23:07:48,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 25 states have (on average 1.24) internal successors, (31), 28 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:48,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2023-02-15 23:07:48,290 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 12 [2023-02-15 23:07:48,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:07:48,290 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2023-02-15 23:07:48,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:48,291 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2023-02-15 23:07:48,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-02-15 23:07:48,291 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:07:48,291 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:07:48,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-15 23:07:48,292 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 23:07:48,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:07:48,292 INFO L85 PathProgramCache]: Analyzing trace with hash 2024710977, now seen corresponding path program 1 times [2023-02-15 23:07:48,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:07:48,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333811800] [2023-02-15 23:07:48,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:07:48,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:07:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:07:48,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-15 23:07:48,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:07:48,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333811800] [2023-02-15 23:07:48,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333811800] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:07:48,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:07:48,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 23:07:48,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946493675] [2023-02-15 23:07:48,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:07:48,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 23:07:48,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:07:48,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 23:07:48,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 23:07:48,327 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:48,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:07:48,352 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2023-02-15 23:07:48,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 23:07:48,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-02-15 23:07:48,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:07:48,354 INFO L225 Difference]: With dead ends: 44 [2023-02-15 23:07:48,354 INFO L226 Difference]: Without dead ends: 43 [2023-02-15 23:07:48,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 23:07:48,357 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 3 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:07:48,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 26 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:07:48,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-02-15 23:07:48,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2023-02-15 23:07:48,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 39 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:48,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2023-02-15 23:07:48,363 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 13 [2023-02-15 23:07:48,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:07:48,363 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2023-02-15 23:07:48,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:48,363 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2023-02-15 23:07:48,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-02-15 23:07:48,364 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:07:48,364 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:07:48,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-15 23:07:48,364 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 23:07:48,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:07:48,365 INFO L85 PathProgramCache]: Analyzing trace with hash 2024712419, now seen corresponding path program 1 times [2023-02-15 23:07:48,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:07:48,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201067404] [2023-02-15 23:07:48,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:07:48,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:07:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:07:48,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-15 23:07:48,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:07:48,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201067404] [2023-02-15 23:07:48,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201067404] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:07:48,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:07:48,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 23:07:48,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514963455] [2023-02-15 23:07:48,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:07:48,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 23:07:48,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:07:48,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 23:07:48,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 23:07:48,434 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:48,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:07:48,456 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2023-02-15 23:07:48,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 23:07:48,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-02-15 23:07:48,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:07:48,457 INFO L225 Difference]: With dead ends: 40 [2023-02-15 23:07:48,458 INFO L226 Difference]: Without dead ends: 38 [2023-02-15 23:07:48,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 23:07:48,459 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 4 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:07:48,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 14 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:07:48,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-02-15 23:07:48,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 30. [2023-02-15 23:07:48,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 29 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:48,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2023-02-15 23:07:48,464 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 13 [2023-02-15 23:07:48,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:07:48,464 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2023-02-15 23:07:48,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:48,464 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2023-02-15 23:07:48,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-15 23:07:48,465 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:07:48,465 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:07:48,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-15 23:07:48,465 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 23:07:48,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:07:48,466 INFO L85 PathProgramCache]: Analyzing trace with hash 128451365, now seen corresponding path program 1 times [2023-02-15 23:07:48,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:07:48,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439735239] [2023-02-15 23:07:48,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:07:48,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:07:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:07:48,540 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:07:48,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:07:48,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439735239] [2023-02-15 23:07:48,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439735239] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:07:48,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443384266] [2023-02-15 23:07:48,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:07:48,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:07:48,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:07:48,547 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:07:48,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-15 23:07:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:07:48,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-15 23:07:48,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:07:48,656 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:07:48,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:07:48,709 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:07:48,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443384266] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:07:48,710 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:07:48,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-02-15 23:07:48,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857208376] [2023-02-15 23:07:48,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:07:48,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-15 23:07:48,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:07:48,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-15 23:07:48,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-02-15 23:07:48,713 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:48,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:07:48,732 INFO L93 Difference]: Finished difference Result 88 states and 101 transitions. [2023-02-15 23:07:48,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-15 23:07:48,733 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-02-15 23:07:48,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:07:48,734 INFO L225 Difference]: With dead ends: 88 [2023-02-15 23:07:48,734 INFO L226 Difference]: Without dead ends: 87 [2023-02-15 23:07:48,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-02-15 23:07:48,735 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 22 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:07:48,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 54 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:07:48,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-02-15 23:07:48,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2023-02-15 23:07:48,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 83 states have (on average 1.144578313253012) internal successors, (95), 84 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:48,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 95 transitions. [2023-02-15 23:07:48,744 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 95 transitions. Word has length 15 [2023-02-15 23:07:48,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:07:48,744 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 95 transitions. [2023-02-15 23:07:48,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:48,744 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 95 transitions. [2023-02-15 23:07:48,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-02-15 23:07:48,745 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:07:48,745 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2023-02-15 23:07:48,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-15 23:07:48,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:07:48,951 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 23:07:48,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:07:48,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1911050654, now seen corresponding path program 1 times [2023-02-15 23:07:48,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:07:48,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778311785] [2023-02-15 23:07:48,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:07:48,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:07:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:07:48,981 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-02-15 23:07:48,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:07:48,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778311785] [2023-02-15 23:07:48,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778311785] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:07:48,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:07:48,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 23:07:48,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865680871] [2023-02-15 23:07:48,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:07:48,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 23:07:48,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:07:48,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 23:07:48,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 23:07:48,984 INFO L87 Difference]: Start difference. First operand 85 states and 95 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:48,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:07:48,992 INFO L93 Difference]: Finished difference Result 85 states and 95 transitions. [2023-02-15 23:07:48,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 23:07:48,993 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 [2023-02-15 23:07:48,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:07:48,994 INFO L225 Difference]: With dead ends: 85 [2023-02-15 23:07:48,994 INFO L226 Difference]: Without dead ends: 84 [2023-02-15 23:07:48,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 23:07:48,995 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:07:48,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 12 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:07:48,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-02-15 23:07:49,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 53. [2023-02-15 23:07:49,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.0961538461538463) internal successors, (57), 52 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:49,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2023-02-15 23:07:49,008 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 24 [2023-02-15 23:07:49,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:07:49,008 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2023-02-15 23:07:49,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:49,009 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2023-02-15 23:07:49,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-02-15 23:07:49,009 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:07:49,010 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1] [2023-02-15 23:07:49,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-02-15 23:07:49,010 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 23:07:49,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:07:49,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1983309423, now seen corresponding path program 2 times [2023-02-15 23:07:49,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:07:49,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397233067] [2023-02-15 23:07:49,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:07:49,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:07:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:07:49,104 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:07:49,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:07:49,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397233067] [2023-02-15 23:07:49,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397233067] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:07:49,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603232821] [2023-02-15 23:07:49,105 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 23:07:49,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:07:49,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:07:49,106 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) [2023-02-15 23:07:49,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-15 23:07:49,149 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 23:07:49,149 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:07:49,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-15 23:07:49,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:07:49,238 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:07:49,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:07:49,335 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:07:49,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603232821] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:07:49,336 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:07:49,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-02-15 23:07:49,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364010405] [2023-02-15 23:07:49,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:07:49,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-15 23:07:49,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:07:49,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-15 23:07:49,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-02-15 23:07:49,344 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:49,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:07:49,410 INFO L93 Difference]: Finished difference Result 120 states and 135 transitions. [2023-02-15 23:07:49,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-15 23:07:49,411 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 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 36 [2023-02-15 23:07:49,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:07:49,416 INFO L225 Difference]: With dead ends: 120 [2023-02-15 23:07:49,416 INFO L226 Difference]: Without dead ends: 119 [2023-02-15 23:07:49,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-02-15 23:07:49,417 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 66 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:07:49,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 105 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:07:49,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-02-15 23:07:49,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2023-02-15 23:07:49,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 118 states have (on average 1.0932203389830508) internal successors, (129), 118 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:49,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 129 transitions. [2023-02-15 23:07:49,437 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 129 transitions. Word has length 36 [2023-02-15 23:07:49,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:07:49,438 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 129 transitions. [2023-02-15 23:07:49,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:49,438 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 129 transitions. [2023-02-15 23:07:49,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-02-15 23:07:49,440 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:07:49,440 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 1, 1, 1, 1] [2023-02-15 23:07:49,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-15 23:07:49,645 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,SelfDestructingSolverStorable10 [2023-02-15 23:07:49,645 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 23:07:49,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:07:49,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1790508079, now seen corresponding path program 3 times [2023-02-15 23:07:49,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:07:49,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314746182] [2023-02-15 23:07:49,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:07:49,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:07:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:07:49,851 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:07:49,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:07:49,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314746182] [2023-02-15 23:07:49,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314746182] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:07:49,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012305524] [2023-02-15 23:07:49,852 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-15 23:07:49,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:07:49,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:07:49,853 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) [2023-02-15 23:07:49,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-15 23:07:49,915 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-15 23:07:49,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:07:49,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 22 conjunts are in the unsatisfiable core [2023-02-15 23:07:49,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:07:50,167 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 365 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:07:50,168 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 23:07:50,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012305524] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:07:50,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-15 23:07:50,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [12] total 25 [2023-02-15 23:07:50,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414044523] [2023-02-15 23:07:50,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:07:50,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-02-15 23:07:50,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:07:50,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-02-15 23:07:50,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2023-02-15 23:07:50,171 INFO L87 Difference]: Start difference. First operand 119 states and 129 transitions. Second operand has 14 states, 14 states have (on average 5.571428571428571) internal successors, (78), 14 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:50,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:07:50,319 INFO L93 Difference]: Finished difference Result 483 states and 538 transitions. [2023-02-15 23:07:50,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-02-15 23:07:50,320 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.571428571428571) internal successors, (78), 14 states have internal predecessors, (78), 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 78 [2023-02-15 23:07:50,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:07:50,323 INFO L225 Difference]: With dead ends: 483 [2023-02-15 23:07:50,323 INFO L226 Difference]: Without dead ends: 467 [2023-02-15 23:07:50,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2023-02-15 23:07:50,324 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 16 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 23:07:50,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 103 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 23:07:50,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2023-02-15 23:07:50,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 459. [2023-02-15 23:07:50,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 458 states have (on average 1.1331877729257642) internal successors, (519), 458 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:50,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 519 transitions. [2023-02-15 23:07:50,349 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 519 transitions. Word has length 78 [2023-02-15 23:07:50,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:07:50,350 INFO L495 AbstractCegarLoop]: Abstraction has 459 states and 519 transitions. [2023-02-15 23:07:50,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.571428571428571) internal successors, (78), 14 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:50,350 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 519 transitions. [2023-02-15 23:07:50,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-02-15 23:07:50,353 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:07:50,353 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 2, 1, 1, 1, 1, 1, 1] [2023-02-15 23:07:50,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-15 23:07:50,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:07:50,559 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 23:07:50,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:07:50,559 INFO L85 PathProgramCache]: Analyzing trace with hash -996843208, now seen corresponding path program 1 times [2023-02-15 23:07:50,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:07:50,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228585193] [2023-02-15 23:07:50,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:07:50,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:07:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:07:50,646 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 132 proven. 9 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2023-02-15 23:07:50,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:07:50,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228585193] [2023-02-15 23:07:50,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228585193] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:07:50,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808072469] [2023-02-15 23:07:50,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:07:50,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:07:50,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:07:50,648 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) [2023-02-15 23:07:50,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-15 23:07:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:07:50,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-15 23:07:50,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:07:50,736 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 132 proven. 9 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2023-02-15 23:07:50,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:07:50,779 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 132 proven. 9 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2023-02-15 23:07:50,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808072469] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:07:50,780 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:07:50,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2023-02-15 23:07:50,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130789618] [2023-02-15 23:07:50,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:07:50,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-02-15 23:07:50,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:07:50,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-02-15 23:07:50,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-02-15 23:07:50,781 INFO L87 Difference]: Start difference. First operand 459 states and 519 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:50,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:07:50,828 INFO L93 Difference]: Finished difference Result 606 states and 683 transitions. [2023-02-15 23:07:50,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-02-15 23:07:50,828 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-02-15 23:07:50,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:07:50,829 INFO L225 Difference]: With dead ends: 606 [2023-02-15 23:07:50,829 INFO L226 Difference]: Without dead ends: 214 [2023-02-15 23:07:50,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-02-15 23:07:50,831 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 27 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:07:50,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 40 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:07:50,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2023-02-15 23:07:50,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 209. [2023-02-15 23:07:50,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 208 states have (on average 1.0721153846153846) internal successors, (223), 208 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:50,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 223 transitions. [2023-02-15 23:07:50,840 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 223 transitions. Word has length 82 [2023-02-15 23:07:50,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:07:50,840 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 223 transitions. [2023-02-15 23:07:50,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:50,840 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 223 transitions. [2023-02-15 23:07:50,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-02-15 23:07:50,841 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:07:50,841 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 2, 1, 1, 1, 1, 1, 1] [2023-02-15 23:07:50,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-15 23:07:51,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:07:51,047 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 23:07:51,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:07:51,047 INFO L85 PathProgramCache]: Analyzing trace with hash -771565384, now seen corresponding path program 2 times [2023-02-15 23:07:51,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:07:51,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094122117] [2023-02-15 23:07:51,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:07:51,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:07:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:07:51,225 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 204 proven. 111 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-02-15 23:07:51,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:07:51,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094122117] [2023-02-15 23:07:51,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094122117] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:07:51,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339855374] [2023-02-15 23:07:51,226 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 23:07:51,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:07:51,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:07:51,228 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) [2023-02-15 23:07:51,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-15 23:07:51,270 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 23:07:51,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:07:51,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 14 conjunts are in the unsatisfiable core [2023-02-15 23:07:51,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:07:51,334 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 204 proven. 111 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-02-15 23:07:51,334 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:07:51,481 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 204 proven. 111 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-02-15 23:07:51,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339855374] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:07:51,481 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:07:51,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 12 [2023-02-15 23:07:51,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149195855] [2023-02-15 23:07:51,482 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:07:51,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-15 23:07:51,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:07:51,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-15 23:07:51,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-02-15 23:07:51,483 INFO L87 Difference]: Start difference. First operand 209 states and 223 transitions. Second operand has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:51,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:07:51,538 INFO L93 Difference]: Finished difference Result 285 states and 302 transitions. [2023-02-15 23:07:51,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-15 23:07:51,539 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 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 82 [2023-02-15 23:07:51,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:07:51,540 INFO L225 Difference]: With dead ends: 285 [2023-02-15 23:07:51,540 INFO L226 Difference]: Without dead ends: 151 [2023-02-15 23:07:51,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 156 SyntacticMatches, 11 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-02-15 23:07:51,542 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 21 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:07:51,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 46 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:07:51,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-02-15 23:07:51,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 143. [2023-02-15 23:07:51,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.0633802816901408) internal successors, (151), 142 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:51,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 151 transitions. [2023-02-15 23:07:51,549 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 151 transitions. Word has length 82 [2023-02-15 23:07:51,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:07:51,550 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 151 transitions. [2023-02-15 23:07:51,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:51,550 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 151 transitions. [2023-02-15 23:07:51,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-02-15 23:07:51,551 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:07:51,551 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 2, 1, 1, 1, 1, 1, 1] [2023-02-15 23:07:51,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-15 23:07:51,757 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,SelfDestructingSolverStorable13 [2023-02-15 23:07:51,757 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 23:07:51,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:07:51,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1666726138, now seen corresponding path program 3 times [2023-02-15 23:07:51,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:07:51,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918352061] [2023-02-15 23:07:51,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:07:51,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:07:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:07:51,917 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-15 23:07:51,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:07:51,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918352061] [2023-02-15 23:07:51,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918352061] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:07:51,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406844755] [2023-02-15 23:07:51,918 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-15 23:07:51,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:07:51,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:07:51,921 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) [2023-02-15 23:07:51,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-15 23:07:51,969 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-15 23:07:51,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:07:51,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-15 23:07:51,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:07:52,068 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-15 23:07:52,068 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:07:52,366 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-15 23:07:52,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406844755] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:07:52,366 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:07:52,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2023-02-15 23:07:52,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786419667] [2023-02-15 23:07:52,367 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:07:52,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-15 23:07:52,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:07:52,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-15 23:07:52,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-02-15 23:07:52,369 INFO L87 Difference]: Start difference. First operand 143 states and 151 transitions. Second operand has 24 states, 23 states have (on average 7.086956521739131) internal successors, (163), 24 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:52,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:07:52,429 INFO L93 Difference]: Finished difference Result 232 states and 251 transitions. [2023-02-15 23:07:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-02-15 23:07:52,430 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 7.086956521739131) internal successors, (163), 24 states have internal predecessors, (163), 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 82 [2023-02-15 23:07:52,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:07:52,431 INFO L225 Difference]: With dead ends: 232 [2023-02-15 23:07:52,431 INFO L226 Difference]: Without dead ends: 231 [2023-02-15 23:07:52,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-02-15 23:07:52,434 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 10 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:07:52,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 150 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:07:52,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2023-02-15 23:07:52,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2023-02-15 23:07:52,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 230 states have (on average 1.0391304347826087) internal successors, (239), 230 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:52,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 239 transitions. [2023-02-15 23:07:52,442 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 239 transitions. Word has length 82 [2023-02-15 23:07:52,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:07:52,443 INFO L495 AbstractCegarLoop]: Abstraction has 231 states and 239 transitions. [2023-02-15 23:07:52,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 7.086956521739131) internal successors, (163), 24 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:52,443 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 239 transitions. [2023-02-15 23:07:52,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-02-15 23:07:52,444 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:07:52,445 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 3, 2, 2, 2, 1, 1, 1] [2023-02-15 23:07:52,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-15 23:07:52,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-02-15 23:07:52,652 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 23:07:52,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:07:52,652 INFO L85 PathProgramCache]: Analyzing trace with hash -366284273, now seen corresponding path program 4 times [2023-02-15 23:07:52,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:07:52,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804562625] [2023-02-15 23:07:52,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:07:52,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:07:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:07:53,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1779 backedges. 0 proven. 1777 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-15 23:07:53,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:07:53,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804562625] [2023-02-15 23:07:53,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804562625] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:07:53,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091726500] [2023-02-15 23:07:53,274 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-15 23:07:53,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:07:53,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:07:53,281 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:07:53,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-15 23:07:53,349 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-15 23:07:53,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:07:53,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 24 conjunts are in the unsatisfiable core [2023-02-15 23:07:53,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:07:53,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1779 backedges. 0 proven. 1777 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-15 23:07:53,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:07:54,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1779 backedges. 0 proven. 1777 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-15 23:07:54,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091726500] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:07:54,364 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:07:54,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2023-02-15 23:07:54,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814488260] [2023-02-15 23:07:54,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:07:54,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-02-15 23:07:54,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:07:54,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-02-15 23:07:54,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-02-15 23:07:54,367 INFO L87 Difference]: Start difference. First operand 231 states and 239 transitions. Second operand has 48 states, 47 states have (on average 7.212765957446808) internal successors, (339), 48 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:54,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:07:54,497 INFO L93 Difference]: Finished difference Result 412 states and 443 transitions. [2023-02-15 23:07:54,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-02-15 23:07:54,498 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 7.212765957446808) internal successors, (339), 48 states have internal predecessors, (339), 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 170 [2023-02-15 23:07:54,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:07:54,499 INFO L225 Difference]: With dead ends: 412 [2023-02-15 23:07:54,499 INFO L226 Difference]: Without dead ends: 411 [2023-02-15 23:07:54,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-02-15 23:07:54,501 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 26 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 23:07:54,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 300 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 23:07:54,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2023-02-15 23:07:54,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2023-02-15 23:07:54,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.0219512195121951) internal successors, (419), 410 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:54,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 419 transitions. [2023-02-15 23:07:54,514 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 419 transitions. Word has length 170 [2023-02-15 23:07:54,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:07:54,514 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 419 transitions. [2023-02-15 23:07:54,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 7.212765957446808) internal successors, (339), 48 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:07:54,515 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 419 transitions. [2023-02-15 23:07:54,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2023-02-15 23:07:54,518 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:07:54,518 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 46, 46, 6, 5, 5, 5, 1, 1, 1] [2023-02-15 23:07:54,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-15 23:07:54,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:07:54,724 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 23:07:54,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:07:54,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1031670202, now seen corresponding path program 5 times [2023-02-15 23:07:54,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:07:54,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479473431] [2023-02-15 23:07:54,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:07:54,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:07:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:07:56,879 INFO L134 CoverageAnalysis]: Checked inductivity of 7755 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-02-15 23:07:56,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:07:56,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479473431] [2023-02-15 23:07:56,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479473431] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:07:56,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080240657] [2023-02-15 23:07:56,880 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-15 23:07:56,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:07:56,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:07:56,885 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:07:56,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-15 23:07:57,076 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-02-15 23:07:57,076 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:07:57,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 48 conjunts are in the unsatisfiable core [2023-02-15 23:07:57,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:07:57,468 INFO L134 CoverageAnalysis]: Checked inductivity of 7755 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-02-15 23:07:57,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:08:00,115 INFO L134 CoverageAnalysis]: Checked inductivity of 7755 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-02-15 23:08:00,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080240657] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:08:00,115 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:08:00,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2023-02-15 23:08:00,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390542692] [2023-02-15 23:08:00,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:08:00,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-02-15 23:08:00,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:08:00,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-02-15 23:08:00,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2023-02-15 23:08:00,122 INFO L87 Difference]: Start difference. First operand 411 states and 419 transitions. Second operand has 96 states, 95 states have (on average 7.3578947368421055) internal successors, (699), 96 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:08:00,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:08:00,473 INFO L93 Difference]: Finished difference Result 768 states and 823 transitions. [2023-02-15 23:08:00,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-02-15 23:08:00,474 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 7.3578947368421055) internal successors, (699), 96 states have internal predecessors, (699), 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 350 [2023-02-15 23:08:00,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:08:00,476 INFO L225 Difference]: With dead ends: 768 [2023-02-15 23:08:00,476 INFO L226 Difference]: Without dead ends: 767 [2023-02-15 23:08:00,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 746 GetRequests, 652 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2023-02-15 23:08:00,479 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 34 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 23:08:00,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 637 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 23:08:00,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2023-02-15 23:08:00,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 767. [2023-02-15 23:08:00,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 767 states, 766 states have (on average 1.0117493472584855) internal successors, (775), 766 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:08:00,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 775 transitions. [2023-02-15 23:08:00,500 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 775 transitions. Word has length 350 [2023-02-15 23:08:00,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:08:00,501 INFO L495 AbstractCegarLoop]: Abstraction has 767 states and 775 transitions. [2023-02-15 23:08:00,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 7.3578947368421055) internal successors, (699), 96 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:08:00,502 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 775 transitions. [2023-02-15 23:08:00,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 707 [2023-02-15 23:08:00,513 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:08:00,514 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 94, 94, 94, 11, 10, 10, 10, 1, 1, 1] [2023-02-15 23:08:00,521 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-02-15 23:08:00,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-02-15 23:08:00,722 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-15 23:08:00,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:08:00,723 INFO L85 PathProgramCache]: Analyzing trace with hash 390262927, now seen corresponding path program 6 times [2023-02-15 23:08:00,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:08:00,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803313360] [2023-02-15 23:08:00,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:08:00,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:08:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:08:08,211 INFO L134 CoverageAnalysis]: Checked inductivity of 32207 backedges. 0 proven. 32197 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-02-15 23:08:08,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:08:08,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803313360] [2023-02-15 23:08:08,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803313360] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:08:08,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025511053] [2023-02-15 23:08:08,212 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-15 23:08:08,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:08:08,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:08:08,216 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:08:08,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-02-15 23:08:08,479 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 69 check-sat command(s) [2023-02-15 23:08:08,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:08:08,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 1202 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-15 23:08:08,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:08:09,597 INFO L134 CoverageAnalysis]: Checked inductivity of 32207 backedges. 29535 proven. 0 refuted. 0 times theorem prover too weak. 2672 trivial. 0 not checked. [2023-02-15 23:08:09,597 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 23:08:09,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025511053] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:08:09,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-15 23:08:09,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [96] total 108 [2023-02-15 23:08:09,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682120433] [2023-02-15 23:08:09,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:08:09,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-02-15 23:08:09,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:08:09,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-02-15 23:08:09,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4733, Invalid=6823, Unknown=0, NotChecked=0, Total=11556 [2023-02-15 23:08:09,602 INFO L87 Difference]: Start difference. First operand 767 states and 775 transitions. Second operand has 13 states, 13 states have (on average 9.307692307692308) internal successors, (121), 13 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:08:09,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:08:09,666 INFO L93 Difference]: Finished difference Result 767 states and 775 transitions. [2023-02-15 23:08:09,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-02-15 23:08:09,666 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.307692307692308) internal successors, (121), 13 states have internal predecessors, (121), 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 706 [2023-02-15 23:08:09,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:08:09,669 INFO L225 Difference]: With dead ends: 767 [2023-02-15 23:08:09,669 INFO L226 Difference]: Without dead ends: 0 [2023-02-15 23:08:09,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 801 GetRequests, 695 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=4733, Invalid=6823, Unknown=0, NotChecked=0, Total=11556 [2023-02-15 23:08:09,673 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:08:09,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 267 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:08:09,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-15 23:08:09,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-15 23:08:09,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:08:09,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-15 23:08:09,674 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 706 [2023-02-15 23:08:09,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:08:09,674 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 23:08:09,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.307692307692308) internal successors, (121), 13 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:08:09,675 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-15 23:08:09,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-15 23:08:09,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-02-15 23:08:09,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-02-15 23:08:09,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-02-15 23:08:09,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-02-15 23:08:09,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-02-15 23:08:09,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-02-15 23:08:09,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-02-15 23:08:09,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-02-15 23:08:09,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-02-15 23:08:09,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-02-15 23:08:09,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-15 23:08:12,966 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2023-02-15 23:08:12,967 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-15 23:08:12,967 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2023-02-15 23:08:12,967 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2023-02-15 23:08:12,967 INFO L899 garLoopResultBuilder]: For program point L17(line 17) no Hoare annotation was computed. [2023-02-15 23:08:12,967 INFO L899 garLoopResultBuilder]: For program point L15(line 15) no Hoare annotation was computed. [2023-02-15 23:08:12,967 INFO L899 garLoopResultBuilder]: For program point L15-1(line 15) no Hoare annotation was computed. [2023-02-15 23:08:12,967 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2023-02-15 23:08:12,968 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2023-02-15 23:08:12,968 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-15 23:08:12,968 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 5 20) the Hoare annotation is: true [2023-02-15 23:08:12,968 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2023-02-15 23:08:12,968 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-15 23:08:12,968 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2023-02-15 23:08:12,968 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2023-02-15 23:08:12,968 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2023-02-15 23:08:12,968 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-15 23:08:12,968 INFO L899 garLoopResultBuilder]: For program point L14(line 14) no Hoare annotation was computed. [2023-02-15 23:08:12,968 INFO L899 garLoopResultBuilder]: For program point L14-1(line 14) no Hoare annotation was computed. [2023-02-15 23:08:12,970 INFO L895 garLoopResultBuilder]: At program point L12-2(lines 12 16) the Hoare annotation is: (let ((.cse11 (< |ULTIMATE.start_main_~c~0#1| 2147483626)) (.cse20 (<= |ULTIMATE.start_main_~c~0#1| 36)) (.cse17 (<= |ULTIMATE.start_main_~c~0#1| 45)) (.cse28 (< |ULTIMATE.start_main_~c~0#1| 2147483608)) (.cse27 (<= |ULTIMATE.start_main_~c~0#1| 18)) (.cse15 (<= 3 |ULTIMATE.start_main_~i~0#1|)) (.cse24 (<= 10 |ULTIMATE.start_main_~j~0#1|)) (.cse19 (<= |ULTIMATE.start_main_~c~0#1| 9)) (.cse10 (<= 9 |ULTIMATE.start_main_~j~0#1|)) (.cse12 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (.cse23 (<= 8 |ULTIMATE.start_main_~j~0#1|)) (.cse26 (< |ULTIMATE.start_main_~c~0#1| 2147483635)) (.cse9 (<= 9 |ULTIMATE.start_main_~i~0#1|)) (.cse7 (<= 7 |ULTIMATE.start_main_~j~0#1|)) (.cse31 (<= |ULTIMATE.start_main_~c~0#1| 27)) (.cse8 (<= 12 |ULTIMATE.start_main_~j~0#1|)) (.cse25 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse30 (<= |ULTIMATE.start_main_~i~0#1| 0)) (.cse16 (<= 6 |ULTIMATE.start_main_~j~0#1|)) (.cse1 (<= 11 |ULTIMATE.start_main_~j~0#1|)) (.cse21 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (.cse5 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (.cse29 (< |ULTIMATE.start_main_~c~0#1| 2147483617)) (.cse6 (<= 7 |ULTIMATE.start_main_~i~0#1|)) (.cse22 (<= 4 |ULTIMATE.start_main_~j~0#1|)) (.cse14 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (.cse0 (<= 0 |ULTIMATE.start_main_~c~0#1|)) (.cse2 (<= 3 |ULTIMATE.start_main_~j~0#1|)) (.cse3 (<= 0 |ULTIMATE.start_main_~i~0#1|)) (.cse13 (<= 5 |ULTIMATE.start_main_~j~0#1|)) (.cse4 (<= |ULTIMATE.start_main_~i~0#1| 9)) (.cse18 (<= 5 |ULTIMATE.start_main_~i~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 17) .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse7 (< |ULTIMATE.start_main_~c~0#1| 2147483621) .cse4) (and .cse0 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483644) .cse8 .cse4 .cse9) (and .cse0 .cse2 .cse3 .cse4 (<= |ULTIMATE.start_main_~c~0#1| 6) .cse10) (and .cse0 .cse6 .cse2 .cse3 .cse8 .cse11 .cse4) (and .cse0 .cse12 (< |ULTIMATE.start_main_~c~0#1| 2147483630) .cse2 .cse3 .cse7 .cse4) (and (< |ULTIMATE.start_main_~c~0#1| 2147483610) .cse0 .cse2 .cse3 .cse13 .cse4 .cse14) (and .cse0 .cse2 .cse3 .cse15 (<= |ULTIMATE.start_main_~c~0#1| 30) .cse4 .cse16) (and .cse0 .cse2 .cse4 .cse17 .cse18) (and .cse0 .cse19 .cse2 .cse3 .cse8 .cse4) (and .cse0 .cse2 .cse3 .cse15 .cse20 .cse8 .cse4) (and (<= |ULTIMATE.start_main_~c~0#1| 37) .cse0 .cse21 .cse2 .cse3 .cse22 .cse4) (and .cse0 .cse2 .cse3 .cse22 .cse4 (<= |ULTIMATE.start_main_~c~0#1| 10) .cse5) (and .cse0 .cse6 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483620) .cse4 .cse16) (and (<= |ULTIMATE.start_main_~c~0#1| 14) .cse0 .cse23 .cse2 .cse3 .cse4 .cse5) (and (< |ULTIMATE.start_main_~c~0#1| 2147483612) .cse0 .cse2 .cse3 .cse7 .cse4 .cse14) (and .cse0 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483638) .cse4 .cse9 .cse16) (and .cse0 .cse12 .cse2 .cse11 .cse4) (and .cse0 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483605) .cse4 .cse10 .cse18) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483604) .cse23 .cse2 .cse3 .cse4 .cse18) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 34) .cse2 .cse3 .cse15 .cse4 .cse24) (and .cse0 .cse21 .cse2 .cse20 .cse4) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 7) .cse2 .cse3 .cse4 .cse24) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 25) .cse2 .cse3 .cse4 .cse24 .cse25) (and .cse0 .cse2 .cse3 .cse7 .cse4 (<= |ULTIMATE.start_main_~c~0#1| 4)) (and .cse0 .cse23 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483640) .cse4 .cse9) (and .cse0 .cse12 .cse23 (< |ULTIMATE.start_main_~c~0#1| 2147483631) .cse2 .cse3 .cse4) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 2) .cse3 .cse13 .cse4) (and .cse0 .cse12 .cse26 .cse2 .cse3 .cse8 .cse4) (and .cse0 .cse6 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483623) .cse4 .cse10) (and .cse0 .cse23 .cse2 .cse3 .cse15 (<= |ULTIMATE.start_main_~c~0#1| 32) .cse4) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483603) .cse2 .cse3 .cse7 .cse4 .cse18) (and .cse0 .cse27 .cse2 .cse3 .cse8 .cse4 .cse5) (and .cse0 .cse1 (< |ULTIMATE.start_main_~c~0#1| 2147483616) .cse2 .cse3 .cse4 .cse14) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 33) .cse2 .cse3 .cse15 .cse4 .cse10) (and .cse0 .cse12 (< |ULTIMATE.start_main_~c~0#1| 2147483628) .cse2 .cse3 .cse13 .cse4) (and .cse0 .cse2 .cse3 .cse28 .cse8 .cse4 .cse18) (and .cse0 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483615) .cse4 .cse24 .cse14) (and .cse0 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 13) .cse7 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= |ULTIMATE.start_main_~c~0#1| 8)) (and .cse0 .cse21 .cse2 .cse3 .cse8 .cse4 .cse17) (and (<= |ULTIMATE.start_main_~c~0#1| 23) .cse0 .cse23 .cse2 .cse3 .cse4 .cse25) (and .cse0 .cse2 .cse3 .cse13 .cse4 (< |ULTIMATE.start_main_~c~0#1| 2147483637) .cse9) (and .cse0 .cse12 (< |ULTIMATE.start_main_~c~0#1| 2147483633) .cse2 .cse3 .cse4 .cse24) (and .cse0 .cse1 (< |ULTIMATE.start_main_~c~0#1| 2147483643) .cse2 .cse3 .cse4 .cse9) (and .cse0 .cse29 .cse2 .cse3 .cse8 .cse4 .cse14) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 19) .cse2 .cse3 .cse22 .cse4 .cse25) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483622) .cse23 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse30 .cse3 .cse2 (<= |ULTIMATE.start_main_~c~0#1| 0)) (and .cse0 .cse21 .cse2 .cse3 .cse4 .cse24 (<= |ULTIMATE.start_main_~c~0#1| 43)) (and .cse0 .cse12 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483632) .cse4 .cse10) (and .cse0 .cse2 .cse3 .cse4 (< |ULTIMATE.start_main_~c~0#1| 2147483602) .cse18 .cse16) (and .cse0 .cse2 .cse28 .cse4 .cse14) (and .cse0 .cse6 .cse2 .cse3 .cse13 (< |ULTIMATE.start_main_~c~0#1| 2147483619) .cse4) (and .cse0 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 16) .cse4 .cse24 .cse5) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 20) .cse2 .cse3 .cse13 .cse4 .cse25) (and .cse0 .cse1 .cse2 .cse3 .cse15 .cse4 (<= |ULTIMATE.start_main_~c~0#1| 35)) (and .cse0 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 15) .cse4 .cse5 .cse10) (and .cse0 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483611) .cse4 .cse14 .cse16) (and (<= |ULTIMATE.start_main_~c~0#1| 31) .cse0 .cse2 .cse3 .cse15 .cse7 .cse4) (and .cse0 .cse21 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 42) .cse4 .cse10) (and .cse0 .cse3 .cse4 .cse16 (<= |ULTIMATE.start_main_~c~0#1| 3)) (and .cse0 .cse2 .cse15 .cse31 .cse4) (and .cse0 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483642) .cse4 .cse24 .cse9) (and .cse0 .cse27 .cse2 .cse4 .cse25) (and .cse0 .cse23 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 5) .cse4) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 28) .cse2 .cse3 .cse15 .cse22 .cse4) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483624) .cse6 .cse2 .cse3 .cse4 .cse24) (and .cse0 .cse2 .cse3 .cse7 (<= |ULTIMATE.start_main_~c~0#1| 22) .cse4 .cse25) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~c~0#1| 26) .cse2 .cse3 .cse4 .cse25) (and .cse0 .cse12 (< |ULTIMATE.start_main_~c~0#1| 2147483629) .cse2 .cse3 .cse4 .cse16) (and .cse0 .cse2 .cse3 .cse15 (<= |ULTIMATE.start_main_~c~0#1| 29) .cse13 .cse4) (and .cse0 .cse2 .cse3 .cse4 .cse24 (< |ULTIMATE.start_main_~c~0#1| 2147483606) .cse18) (and .cse0 .cse2 .cse3 .cse4 (< |ULTIMATE.start_main_~c~0#1| 2147483614) .cse10 .cse14) (and .cse0 .cse21 .cse2 .cse3 .cse13 (<= |ULTIMATE.start_main_~c~0#1| 38) .cse4) (and .cse0 .cse12 .cse2 .cse3 .cse22 .cse4 (< |ULTIMATE.start_main_~c~0#1| 2147483627)) (and .cse0 .cse1 .cse6 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483625) .cse4) (and .cse0 .cse2 .cse3 .cse22 (< |ULTIMATE.start_main_~c~0#1| 2147483636) .cse4 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 (< |ULTIMATE.start_main_~c~0#1| 2147483607) .cse18) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 24) .cse2 .cse3 .cse4 .cse10 .cse25) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 46) .cse2 .cse3 .cse22 .cse4 .cse18) (and .cse0 .cse19 .cse2 .cse4 .cse5) (and .cse0 .cse23 .cse21 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 41) .cse4) (and .cse0 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 21) .cse4 .cse25 .cse16) (and .cse0 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483641) .cse4 .cse10 .cse9) (and .cse0 .cse1 .cse12 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483634) .cse4) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483613) .cse23 .cse2 .cse3 .cse4 .cse14) (and .cse0 .cse2 .cse3 .cse7 (< |ULTIMATE.start_main_~c~0#1| 2147483639) .cse4 .cse9) (and (< |ULTIMATE.start_main_~c~0#1| 2147483618) .cse0 .cse6 .cse2 .cse3 .cse22 .cse4) (and .cse0 .cse26 .cse2 .cse4 .cse9) (and .cse0 .cse21 (<= |ULTIMATE.start_main_~c~0#1| 40) .cse2 .cse3 .cse7 .cse4) (and .cse0 .cse2 .cse3 .cse31 .cse8 .cse4 .cse25) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 1) .cse30 .cse3 .cse22) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 12) .cse2 .cse3 .cse4 .cse5 .cse16) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 39) .cse21 .cse2 .cse3 .cse4 .cse16) (and .cse0 .cse1 .cse21 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 44) .cse4) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 11) .cse2 .cse3 .cse13 .cse4 .cse5) (and .cse0 .cse29 .cse6 .cse2 .cse4) (and .cse0 .cse2 .cse3 .cse22 .cse4 (< |ULTIMATE.start_main_~c~0#1| 2147483609) .cse14) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483601) .cse2 .cse3 .cse13 .cse4 .cse18))) [2023-02-15 23:08:12,970 INFO L899 garLoopResultBuilder]: For program point L12-3(lines 12 16) no Hoare annotation was computed. [2023-02-15 23:08:12,971 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2023-02-15 23:08:12,971 INFO L895 garLoopResultBuilder]: At program point L10-2(lines 10 18) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~c~0#1|)) (.cse1 (<= 12 |ULTIMATE.start_main_~j~0#1|))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_main_~c~0#1| 45) (<= 5 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 0)) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483608) .cse1 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 4 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 36) .cse1) (and .cse0 (<= 8 |ULTIMATE.start_main_~i~0#1|) .cse1 (< |ULTIMATE.start_main_~c~0#1| 2147483626)) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483644) .cse1 (<= 10 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 18) .cse1 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483617) (<= 7 |ULTIMATE.start_main_~i~0#1|) .cse1) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 9) .cse1 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483635) .cse1 (<= 9 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 3 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 27) .cse1))) [2023-02-15 23:08:12,971 INFO L899 garLoopResultBuilder]: For program point L10-3(lines 10 18) no Hoare annotation was computed. [2023-02-15 23:08:12,974 INFO L445 BasicCegarLoop]: Path program histogram: [6, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:08:12,975 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-15 23:08:13,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 11:08:13 BoogieIcfgContainer [2023-02-15 23:08:13,014 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 23:08:13,015 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 23:08:13,015 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 23:08:13,015 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 23:08:13,015 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:07:47" (3/4) ... [2023-02-15 23:08:13,018 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-15 23:08:13,026 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-15 23:08:13,026 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-15 23:08:13,026 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-15 23:08:13,060 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-15 23:08:13,060 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 23:08:13,061 INFO L158 Benchmark]: Toolchain (without parser) took 26014.84ms. Allocated memory was 146.8MB in the beginning and 536.9MB in the end (delta: 390.1MB). Free memory was 108.9MB in the beginning and 363.6MB in the end (delta: -254.7MB). Peak memory consumption was 137.5MB. Max. memory is 16.1GB. [2023-02-15 23:08:13,061 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 146.8MB. Free memory was 114.1MB in the beginning and 114.0MB in the end (delta: 94.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 23:08:13,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 185.79ms. Allocated memory is still 146.8MB. Free memory was 108.6MB in the beginning and 99.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 23:08:13,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.70ms. Allocated memory is still 146.8MB. Free memory was 99.5MB in the beginning and 98.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 23:08:13,062 INFO L158 Benchmark]: Boogie Preprocessor took 13.87ms. Allocated memory is still 146.8MB. Free memory was 98.1MB in the beginning and 97.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 23:08:13,062 INFO L158 Benchmark]: RCFGBuilder took 197.98ms. Allocated memory is still 146.8MB. Free memory was 97.0MB in the beginning and 88.0MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 23:08:13,063 INFO L158 Benchmark]: TraceAbstraction took 25543.78ms. Allocated memory was 146.8MB in the beginning and 536.9MB in the end (delta: 390.1MB). Free memory was 87.3MB in the beginning and 366.7MB in the end (delta: -279.5MB). Peak memory consumption was 301.0MB. Max. memory is 16.1GB. [2023-02-15 23:08:13,066 INFO L158 Benchmark]: Witness Printer took 45.74ms. Allocated memory is still 536.9MB. Free memory was 366.7MB in the beginning and 363.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 23:08:13,070 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 146.8MB. Free memory was 114.1MB in the beginning and 114.0MB in the end (delta: 94.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 185.79ms. Allocated memory is still 146.8MB. Free memory was 108.6MB in the beginning and 99.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.70ms. Allocated memory is still 146.8MB. Free memory was 99.5MB in the beginning and 98.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.87ms. Allocated memory is still 146.8MB. Free memory was 98.1MB in the beginning and 97.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 197.98ms. Allocated memory is still 146.8MB. Free memory was 97.0MB in the beginning and 88.0MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 25543.78ms. Allocated memory was 146.8MB in the beginning and 536.9MB in the end (delta: 390.1MB). Free memory was 87.3MB in the beginning and 366.7MB in the end (delta: -279.5MB). Peak memory consumption was 301.0MB. Max. memory is 16.1GB. * Witness Printer took 45.74ms. Allocated memory is still 536.9MB. Free memory was 366.7MB in the beginning and 363.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 25.4s, OverallIterations: 18, TraceHistogramMax: 95, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 270 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 270 mSDsluCounter, 1891 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1569 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 857 IncrementalHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 322 mSDtfsCounter, 857 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2645 GetRequests, 2301 SyntacticMatches, 11 SemanticMatches, 333 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1272 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=767occurred in iteration=17, InterpolantAutomatonStates: 262, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 18 MinimizatonAttempts, 68 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 115 NumberOfFragments, 2250 HoareAnnotationTreeSize, 3 FomulaSimplifications, 633 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1647 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 17.3s InterpolantComputationTime, 3298 NumberOfCodeBlocks, 3235 NumberOfCodeBlocksAsserted, 164 NumberOfCheckSat, 4081 ConstructedInterpolants, 0 QuantifiedInterpolants, 11437 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2887 ConjunctsInSsa, 147 ConjunctsInUnsatCore, 34 InterpolantComputations, 11 PerfectInterpolantSequences, 34528/97360 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= c && 11 <= j) && 3 <= j) && 0 <= i) && c <= 17) && i <= 9) && 1 <= i) || ((((((0 <= c && 7 <= i) && 3 <= j) && 0 <= i) && 7 <= j) && c < 2147483621) && i <= 9)) || ((((((0 <= c && 3 <= j) && 0 <= i) && c < 2147483644) && 12 <= j) && i <= 9) && 9 <= i)) || (((((0 <= c && 3 <= j) && 0 <= i) && i <= 9) && c <= 6) && 9 <= j)) || ((((((0 <= c && 7 <= i) && 3 <= j) && 0 <= i) && 12 <= j) && c < 2147483626) && i <= 9)) || ((((((0 <= c && 8 <= i) && c < 2147483630) && 3 <= j) && 0 <= i) && 7 <= j) && i <= 9)) || ((((((c < 2147483610 && 0 <= c) && 3 <= j) && 0 <= i) && 5 <= j) && i <= 9) && 6 <= i)) || ((((((0 <= c && 3 <= j) && 0 <= i) && 3 <= i) && c <= 30) && i <= 9) && 6 <= j)) || ((((0 <= c && 3 <= j) && i <= 9) && c <= 45) && 5 <= i)) || (((((0 <= c && c <= 9) && 3 <= j) && 0 <= i) && 12 <= j) && i <= 9)) || ((((((0 <= c && 3 <= j) && 0 <= i) && 3 <= i) && c <= 36) && 12 <= j) && i <= 9)) || ((((((c <= 37 && 0 <= c) && 4 <= i) && 3 <= j) && 0 <= i) && 4 <= j) && i <= 9)) || ((((((0 <= c && 3 <= j) && 0 <= i) && 4 <= j) && i <= 9) && c <= 10) && 1 <= i)) || ((((((0 <= c && 7 <= i) && 3 <= j) && 0 <= i) && c < 2147483620) && i <= 9) && 6 <= j)) || ((((((c <= 14 && 0 <= c) && 8 <= j) && 3 <= j) && 0 <= i) && i <= 9) && 1 <= i)) || ((((((c < 2147483612 && 0 <= c) && 3 <= j) && 0 <= i) && 7 <= j) && i <= 9) && 6 <= i)) || ((((((0 <= c && 3 <= j) && 0 <= i) && c < 2147483638) && i <= 9) && 9 <= i) && 6 <= j)) || ((((0 <= c && 8 <= i) && 3 <= j) && c < 2147483626) && i <= 9)) || ((((((0 <= c && 3 <= j) && 0 <= i) && c < 2147483605) && i <= 9) && 9 <= j) && 5 <= i)) || ((((((0 <= c && c < 2147483604) && 8 <= j) && 3 <= j) && 0 <= i) && i <= 9) && 5 <= i)) || ((((((0 <= c && c <= 34) && 3 <= j) && 0 <= i) && 3 <= i) && i <= 9) && 10 <= j)) || ((((0 <= c && 4 <= i) && 3 <= j) && c <= 36) && i <= 9)) || (((((0 <= c && c <= 7) && 3 <= j) && 0 <= i) && i <= 9) && 10 <= j)) || ((((((0 <= c && c <= 25) && 3 <= j) && 0 <= i) && i <= 9) && 10 <= j) && 2 <= i)) || (((((0 <= c && 3 <= j) && 0 <= i) && 7 <= j) && i <= 9) && c <= 4)) || ((((((0 <= c && 8 <= j) && 3 <= j) && 0 <= i) && c < 2147483640) && i <= 9) && 9 <= i)) || ((((((0 <= c && 8 <= i) && 8 <= j) && c < 2147483631) && 3 <= j) && 0 <= i) && i <= 9)) || ((((0 <= c && c <= 2) && 0 <= i) && 5 <= j) && i <= 9)) || ((((((0 <= c && 8 <= i) && c < 2147483635) && 3 <= j) && 0 <= i) && 12 <= j) && i <= 9)) || ((((((0 <= c && 7 <= i) && 3 <= j) && 0 <= i) && c < 2147483623) && i <= 9) && 9 <= j)) || ((((((0 <= c && 8 <= j) && 3 <= j) && 0 <= i) && 3 <= i) && c <= 32) && i <= 9)) || ((((((0 <= c && c < 2147483603) && 3 <= j) && 0 <= i) && 7 <= j) && i <= 9) && 5 <= i)) || ((((((0 <= c && c <= 18) && 3 <= j) && 0 <= i) && 12 <= j) && i <= 9) && 1 <= i)) || ((((((0 <= c && 11 <= j) && c < 2147483616) && 3 <= j) && 0 <= i) && i <= 9) && 6 <= i)) || ((((((0 <= c && c <= 33) && 3 <= j) && 0 <= i) && 3 <= i) && i <= 9) && 9 <= j)) || ((((((0 <= c && 8 <= i) && c < 2147483628) && 3 <= j) && 0 <= i) && 5 <= j) && i <= 9)) || ((((((0 <= c && 3 <= j) && 0 <= i) && c < 2147483608) && 12 <= j) && i <= 9) && 5 <= i)) || ((((((0 <= c && 3 <= j) && 0 <= i) && c < 2147483615) && i <= 9) && 10 <= j) && 6 <= i)) || ((((((0 <= c && 3 <= j) && 0 <= i) && c <= 13) && 7 <= j) && i <= 9) && 1 <= i)) || (((((0 <= c && 11 <= j) && 3 <= j) && 0 <= i) && i <= 9) && c <= 8)) || ((((((0 <= c && 4 <= i) && 3 <= j) && 0 <= i) && 12 <= j) && i <= 9) && c <= 45)) || ((((((c <= 23 && 0 <= c) && 8 <= j) && 3 <= j) && 0 <= i) && i <= 9) && 2 <= i)) || ((((((0 <= c && 3 <= j) && 0 <= i) && 5 <= j) && i <= 9) && c < 2147483637) && 9 <= i)) || ((((((0 <= c && 8 <= i) && c < 2147483633) && 3 <= j) && 0 <= i) && i <= 9) && 10 <= j)) || ((((((0 <= c && 11 <= j) && c < 2147483643) && 3 <= j) && 0 <= i) && i <= 9) && 9 <= i)) || ((((((0 <= c && c < 2147483617) && 3 <= j) && 0 <= i) && 12 <= j) && i <= 9) && 6 <= i)) || ((((((0 <= c && c <= 19) && 3 <= j) && 0 <= i) && 4 <= j) && i <= 9) && 2 <= i)) || ((((((0 <= c && c < 2147483622) && 8 <= j) && 7 <= i) && 3 <= j) && 0 <= i) && i <= 9)) || ((((0 <= c && i <= 0) && 0 <= i) && 3 <= j) && c <= 0)) || ((((((0 <= c && 4 <= i) && 3 <= j) && 0 <= i) && i <= 9) && 10 <= j) && c <= 43)) || ((((((0 <= c && 8 <= i) && 3 <= j) && 0 <= i) && c < 2147483632) && i <= 9) && 9 <= j)) || ((((((0 <= c && 3 <= j) && 0 <= i) && i <= 9) && c < 2147483602) && 5 <= i) && 6 <= j)) || ((((0 <= c && 3 <= j) && c < 2147483608) && i <= 9) && 6 <= i)) || ((((((0 <= c && 7 <= i) && 3 <= j) && 0 <= i) && 5 <= j) && c < 2147483619) && i <= 9)) || ((((((0 <= c && 3 <= j) && 0 <= i) && c <= 16) && i <= 9) && 10 <= j) && 1 <= i)) || ((((((0 <= c && c <= 20) && 3 <= j) && 0 <= i) && 5 <= j) && i <= 9) && 2 <= i)) || ((((((0 <= c && 11 <= j) && 3 <= j) && 0 <= i) && 3 <= i) && i <= 9) && c <= 35)) || ((((((0 <= c && 3 <= j) && 0 <= i) && c <= 15) && i <= 9) && 1 <= i) && 9 <= j)) || ((((((0 <= c && 3 <= j) && 0 <= i) && c < 2147483611) && i <= 9) && 6 <= i) && 6 <= j)) || ((((((c <= 31 && 0 <= c) && 3 <= j) && 0 <= i) && 3 <= i) && 7 <= j) && i <= 9)) || ((((((0 <= c && 4 <= i) && 3 <= j) && 0 <= i) && c <= 42) && i <= 9) && 9 <= j)) || ((((0 <= c && 0 <= i) && i <= 9) && 6 <= j) && c <= 3)) || ((((0 <= c && 3 <= j) && 3 <= i) && c <= 27) && i <= 9)) || ((((((0 <= c && 3 <= j) && 0 <= i) && c < 2147483642) && i <= 9) && 10 <= j) && 9 <= i)) || ((((0 <= c && c <= 18) && 3 <= j) && i <= 9) && 2 <= i)) || (((((0 <= c && 8 <= j) && 3 <= j) && 0 <= i) && c <= 5) && i <= 9)) || ((((((0 <= c && c <= 28) && 3 <= j) && 0 <= i) && 3 <= i) && 4 <= j) && i <= 9)) || ((((((0 <= c && c < 2147483624) && 7 <= i) && 3 <= j) && 0 <= i) && i <= 9) && 10 <= j)) || ((((((0 <= c && 3 <= j) && 0 <= i) && 7 <= j) && c <= 22) && i <= 9) && 2 <= i)) || ((((((0 <= c && 11 <= j) && c <= 26) && 3 <= j) && 0 <= i) && i <= 9) && 2 <= i)) || ((((((0 <= c && 8 <= i) && c < 2147483629) && 3 <= j) && 0 <= i) && i <= 9) && 6 <= j)) || ((((((0 <= c && 3 <= j) && 0 <= i) && 3 <= i) && c <= 29) && 5 <= j) && i <= 9)) || ((((((0 <= c && 3 <= j) && 0 <= i) && i <= 9) && 10 <= j) && c < 2147483606) && 5 <= i)) || ((((((0 <= c && 3 <= j) && 0 <= i) && i <= 9) && c < 2147483614) && 9 <= j) && 6 <= i)) || ((((((0 <= c && 4 <= i) && 3 <= j) && 0 <= i) && 5 <= j) && c <= 38) && i <= 9)) || ((((((0 <= c && 8 <= i) && 3 <= j) && 0 <= i) && 4 <= j) && i <= 9) && c < 2147483627)) || ((((((0 <= c && 11 <= j) && 7 <= i) && 3 <= j) && 0 <= i) && c < 2147483625) && i <= 9)) || ((((((0 <= c && 3 <= j) && 0 <= i) && 4 <= j) && c < 2147483636) && i <= 9) && 9 <= i)) || ((((((0 <= c && 11 <= j) && 3 <= j) && 0 <= i) && i <= 9) && c < 2147483607) && 5 <= i)) || ((((((0 <= c && c <= 24) && 3 <= j) && 0 <= i) && i <= 9) && 9 <= j) && 2 <= i)) || ((((((0 <= c && c <= 46) && 3 <= j) && 0 <= i) && 4 <= j) && i <= 9) && 5 <= i)) || ((((0 <= c && c <= 9) && 3 <= j) && i <= 9) && 1 <= i)) || ((((((0 <= c && 8 <= j) && 4 <= i) && 3 <= j) && 0 <= i) && c <= 41) && i <= 9)) || ((((((0 <= c && 3 <= j) && 0 <= i) && c <= 21) && i <= 9) && 2 <= i) && 6 <= j)) || ((((((0 <= c && 3 <= j) && 0 <= i) && c < 2147483641) && i <= 9) && 9 <= j) && 9 <= i)) || ((((((0 <= c && 11 <= j) && 8 <= i) && 3 <= j) && 0 <= i) && c < 2147483634) && i <= 9)) || ((((((0 <= c && c < 2147483613) && 8 <= j) && 3 <= j) && 0 <= i) && i <= 9) && 6 <= i)) || ((((((0 <= c && 3 <= j) && 0 <= i) && 7 <= j) && c < 2147483639) && i <= 9) && 9 <= i)) || ((((((c < 2147483618 && 0 <= c) && 7 <= i) && 3 <= j) && 0 <= i) && 4 <= j) && i <= 9)) || ((((0 <= c && c < 2147483635) && 3 <= j) && i <= 9) && 9 <= i)) || ((((((0 <= c && 4 <= i) && c <= 40) && 3 <= j) && 0 <= i) && 7 <= j) && i <= 9)) || ((((((0 <= c && 3 <= j) && 0 <= i) && c <= 27) && 12 <= j) && i <= 9) && 2 <= i)) || ((((0 <= c && c <= 1) && i <= 0) && 0 <= i) && 4 <= j)) || ((((((0 <= c && c <= 12) && 3 <= j) && 0 <= i) && i <= 9) && 1 <= i) && 6 <= j)) || ((((((0 <= c && c <= 39) && 4 <= i) && 3 <= j) && 0 <= i) && i <= 9) && 6 <= j)) || ((((((0 <= c && 11 <= j) && 4 <= i) && 3 <= j) && 0 <= i) && c <= 44) && i <= 9)) || ((((((0 <= c && c <= 11) && 3 <= j) && 0 <= i) && 5 <= j) && i <= 9) && 1 <= i)) || ((((0 <= c && c < 2147483617) && 7 <= i) && 3 <= j) && i <= 9)) || ((((((0 <= c && 3 <= j) && 0 <= i) && 4 <= j) && i <= 9) && c < 2147483609) && 6 <= i)) || ((((((0 <= c && c < 2147483601) && 3 <= j) && 0 <= i) && 5 <= j) && i <= 9) && 5 <= i) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: ((((((((((((0 <= c && 12 <= j) && c <= 45) && 5 <= i) || (((0 <= c && i <= 0) && 0 <= i) && c <= 0)) || (((0 <= c && c < 2147483608) && 12 <= j) && 6 <= i)) || (((0 <= c && 4 <= i) && c <= 36) && 12 <= j)) || (((0 <= c && 8 <= i) && 12 <= j) && c < 2147483626)) || (((0 <= c && c < 2147483644) && 12 <= j) && 10 <= i)) || (((0 <= c && c <= 18) && 12 <= j) && 2 <= i)) || (((0 <= c && c < 2147483617) && 7 <= i) && 12 <= j)) || (((0 <= c && c <= 9) && 12 <= j) && 1 <= i)) || (((0 <= c && c < 2147483635) && 12 <= j) && 9 <= i)) || (((0 <= c && 3 <= i) && c <= 27) && 12 <= j) - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-02-15 23:08:13,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE