./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-restricted-15/java_Sequence.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5317dae 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_Sequence.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 4c7fd2dfb73ccf40686976b843bd7f2e1f45b17323a2ffa706fb90cccb1bab75 --- Real Ultimate output --- This is Ultimate 0.2.2-?-b5317da-m [2023-02-16 04:25:34,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-16 04:25:34,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-16 04:25:34,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-16 04:25:34,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-16 04:25:34,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-16 04:25:34,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-16 04:25:34,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-16 04:25:34,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-16 04:25:34,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-16 04:25:34,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-16 04:25:34,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-16 04:25:34,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-16 04:25:34,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-16 04:25:34,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-16 04:25:34,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-16 04:25:34,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-16 04:25:34,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-16 04:25:34,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-16 04:25:34,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-16 04:25:34,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-16 04:25:34,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-16 04:25:34,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-16 04:25:34,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-16 04:25:34,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-16 04:25:34,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-16 04:25:34,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-16 04:25:34,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-16 04:25:34,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-16 04:25:34,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-16 04:25:34,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-16 04:25:34,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-16 04:25:34,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-16 04:25:34,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-16 04:25:34,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-16 04:25:34,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-16 04:25:34,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-16 04:25:34,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-16 04:25:34,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-16 04:25:34,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-16 04:25:34,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-16 04:25:34,292 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-16 04:25:34,318 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-16 04:25:34,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-16 04:25:34,319 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-16 04:25:34,319 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-16 04:25:34,320 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-16 04:25:34,320 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-16 04:25:34,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-16 04:25:34,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-16 04:25:34,320 INFO L138 SettingsManager]: * Use SBE=true [2023-02-16 04:25:34,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-16 04:25:34,321 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-16 04:25:34,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-16 04:25:34,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-16 04:25:34,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-16 04:25:34,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-16 04:25:34,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-16 04:25:34,322 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-16 04:25:34,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-16 04:25:34,322 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-16 04:25:34,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-16 04:25:34,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-16 04:25:34,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-16 04:25:34,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-16 04:25:34,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 04:25:34,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-16 04:25:34,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-16 04:25:34,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-16 04:25:34,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-16 04:25:34,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-16 04:25:34,324 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-16 04:25:34,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-16 04:25:34,324 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-16 04:25:34,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-16 04:25:34,324 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-16 04:25:34,325 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c7fd2dfb73ccf40686976b843bd7f2e1f45b17323a2ffa706fb90cccb1bab75 [2023-02-16 04:25:34,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-16 04:25:34,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-16 04:25:34,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-16 04:25:34,510 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-16 04:25:34,511 INFO L275 PluginConnector]: CDTParser initialized [2023-02-16 04:25:34,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/java_Sequence.c [2023-02-16 04:25:35,506 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-16 04:25:35,636 INFO L351 CDTParser]: Found 1 translation units. [2023-02-16 04:25:35,636 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/java_Sequence.c [2023-02-16 04:25:35,639 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20bef5da1/4128b11b5ee24a1da469c7a366f59f92/FLAGab93ba6f0 [2023-02-16 04:25:35,652 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20bef5da1/4128b11b5ee24a1da469c7a366f59f92 [2023-02-16 04:25:35,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-16 04:25:35,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-16 04:25:35,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-16 04:25:35,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-16 04:25:35,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-16 04:25:35,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:25:35" (1/1) ... [2023-02-16 04:25:35,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@220cfb35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:35, skipping insertion in model container [2023-02-16 04:25:35,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:25:35" (1/1) ... [2023-02-16 04:25:35,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-16 04:25:35,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-16 04:25:35,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:25:35,781 INFO L203 MainTranslator]: Completed pre-run [2023-02-16 04:25:35,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:25:35,800 INFO L208 MainTranslator]: Completed translation [2023-02-16 04:25:35,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:35 WrapperNode [2023-02-16 04:25:35,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-16 04:25:35,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-16 04:25:35,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-16 04:25:35,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-16 04:25:35,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:35" (1/1) ... [2023-02-16 04:25:35,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:35" (1/1) ... [2023-02-16 04:25:35,820 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2023-02-16 04:25:35,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-16 04:25:35,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-16 04:25:35,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-16 04:25:35,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-16 04:25:35,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:35" (1/1) ... [2023-02-16 04:25:35,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:35" (1/1) ... [2023-02-16 04:25:35,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:35" (1/1) ... [2023-02-16 04:25:35,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:35" (1/1) ... [2023-02-16 04:25:35,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:35" (1/1) ... [2023-02-16 04:25:35,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:35" (1/1) ... [2023-02-16 04:25:35,834 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:35" (1/1) ... [2023-02-16 04:25:35,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:35" (1/1) ... [2023-02-16 04:25:35,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-16 04:25:35,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-16 04:25:35,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-16 04:25:35,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-16 04:25:35,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:35" (1/1) ... [2023-02-16 04:25:35,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 04:25:35,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:25:35,856 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) [2023-02-16 04:25:35,869 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 [2023-02-16 04:25:35,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-16 04:25:35,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-16 04:25:35,940 INFO L235 CfgBuilder]: Building ICFG [2023-02-16 04:25:35,941 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-16 04:25:36,007 INFO L276 CfgBuilder]: Performing block encoding [2023-02-16 04:25:36,011 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-16 04:25:36,012 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-16 04:25:36,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:25:36 BoogieIcfgContainer [2023-02-16 04:25:36,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-16 04:25:36,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-16 04:25:36,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-16 04:25:36,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-16 04:25:36,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 04:25:35" (1/3) ... [2023-02-16 04:25:36,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a2e6759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 04:25:36, skipping insertion in model container [2023-02-16 04:25:36,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:35" (2/3) ... [2023-02-16 04:25:36,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a2e6759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 04:25:36, skipping insertion in model container [2023-02-16 04:25:36,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:25:36" (3/3) ... [2023-02-16 04:25:36,018 INFO L112 eAbstractionObserver]: Analyzing ICFG java_Sequence.c [2023-02-16 04:25:36,043 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-16 04:25:36,043 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-02-16 04:25:36,077 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-16 04:25:36,082 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;@732d516a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-16 04:25:36,083 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-02-16 04:25:36,085 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 16 states have (on average 1.75) internal successors, (28), 24 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:36,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-02-16 04:25:36,090 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:36,090 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-02-16 04:25:36,091 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-16 04:25:36,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:36,096 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2023-02-16 04:25:36,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:36,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270714836] [2023-02-16 04:25:36,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:36,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:36,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:36,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:36,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270714836] [2023-02-16 04:25:36,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270714836] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:25:36,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:25:36,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 04:25:36,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733929180] [2023-02-16 04:25:36,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:25:36,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:25:36,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:36,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:25:36,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:25:36,251 INFO L87 Difference]: Start difference. First operand has 25 states, 16 states have (on average 1.75) internal successors, (28), 24 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:36,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:36,293 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2023-02-16 04:25:36,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:25:36,298 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-02-16 04:25:36,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:36,305 INFO L225 Difference]: With dead ends: 38 [2023-02-16 04:25:36,305 INFO L226 Difference]: Without dead ends: 19 [2023-02-16 04:25:36,307 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 [2023-02-16 04:25:36,309 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 19 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:36,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 19 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:25:36,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-02-16 04:25:36,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-02-16 04:25:36,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:36,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2023-02-16 04:25:36,335 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 4 [2023-02-16 04:25:36,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:36,335 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2023-02-16 04:25:36,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:36,335 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2023-02-16 04:25:36,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-16 04:25:36,336 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:36,336 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-16 04:25:36,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-16 04:25:36,336 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-16 04:25:36,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:36,337 INFO L85 PathProgramCache]: Analyzing trace with hash 28699721, now seen corresponding path program 1 times [2023-02-16 04:25:36,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:36,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470221271] [2023-02-16 04:25:36,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:36,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:36,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:36,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:36,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470221271] [2023-02-16 04:25:36,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470221271] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:25:36,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:25:36,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 04:25:36,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625909595] [2023-02-16 04:25:36,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:25:36,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:25:36,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:36,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:25:36,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:25:36,363 INFO L87 Difference]: Start difference. First operand 19 states and 20 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) [2023-02-16 04:25:36,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:36,378 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2023-02-16 04:25:36,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:25:36,378 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 [2023-02-16 04:25:36,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:36,379 INFO L225 Difference]: With dead ends: 28 [2023-02-16 04:25:36,379 INFO L226 Difference]: Without dead ends: 26 [2023-02-16 04:25:36,379 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 [2023-02-16 04:25:36,380 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 4 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:36,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 29 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:25:36,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-02-16 04:25:36,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2023-02-16 04:25:36,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 20 states have (on average 1.4) internal successors, (28), 25 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:36,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2023-02-16 04:25:36,385 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 5 [2023-02-16 04:25:36,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:36,385 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2023-02-16 04:25:36,385 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) [2023-02-16 04:25:36,385 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2023-02-16 04:25:36,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-16 04:25:36,385 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:36,386 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-16 04:25:36,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-16 04:25:36,386 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)] === [2023-02-16 04:25:36,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:36,387 INFO L85 PathProgramCache]: Analyzing trace with hash 889691398, now seen corresponding path program 1 times [2023-02-16 04:25:36,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:36,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806916247] [2023-02-16 04:25:36,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:36,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:36,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:36,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:36,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806916247] [2023-02-16 04:25:36,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806916247] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:25:36,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:25:36,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 04:25:36,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760511933] [2023-02-16 04:25:36,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:25:36,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:25:36,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:36,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:25:36,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:25:36,411 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:36,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:36,419 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2023-02-16 04:25:36,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:25:36,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-02-16 04:25:36,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:36,420 INFO L225 Difference]: With dead ends: 26 [2023-02-16 04:25:36,420 INFO L226 Difference]: Without dead ends: 25 [2023-02-16 04:25:36,421 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 [2023-02-16 04:25:36,421 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 13 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:36,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 15 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:25:36,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-02-16 04:25:36,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-02-16 04:25:36,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.35) internal successors, (27), 24 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) [2023-02-16 04:25:36,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2023-02-16 04:25:36,425 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 6 [2023-02-16 04:25:36,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:36,425 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2023-02-16 04:25:36,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:36,425 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-02-16 04:25:36,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-16 04:25:36,426 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:36,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:25:36,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-16 04:25:36,426 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)] === [2023-02-16 04:25:36,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:36,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1810629611, now seen corresponding path program 1 times [2023-02-16 04:25:36,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:36,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136534311] [2023-02-16 04:25:36,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:36,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:36,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:36,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:36,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136534311] [2023-02-16 04:25:36,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136534311] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:25:36,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:25:36,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 04:25:36,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750600060] [2023-02-16 04:25:36,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:25:36,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:25:36,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:36,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:25:36,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:25:36,448 INFO L87 Difference]: Start difference. First operand 25 states and 27 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) [2023-02-16 04:25:36,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:36,459 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2023-02-16 04:25:36,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:25:36,460 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 [2023-02-16 04:25:36,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:36,460 INFO L225 Difference]: With dead ends: 36 [2023-02-16 04:25:36,460 INFO L226 Difference]: Without dead ends: 23 [2023-02-16 04:25:36,461 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 [2023-02-16 04:25:36,461 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:36,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:25:36,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2023-02-16 04:25:36,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-02-16 04:25:36,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 22 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) [2023-02-16 04:25:36,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2023-02-16 04:25:36,465 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 7 [2023-02-16 04:25:36,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:36,465 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2023-02-16 04:25:36,465 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) [2023-02-16 04:25:36,465 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2023-02-16 04:25:36,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-02-16 04:25:36,465 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:36,466 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2023-02-16 04:25:36,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-16 04:25:36,466 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-16 04:25:36,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:36,466 INFO L85 PathProgramCache]: Analyzing trace with hash -27488384, now seen corresponding path program 1 times [2023-02-16 04:25:36,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:36,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375097621] [2023-02-16 04:25:36,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:36,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:36,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:36,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:36,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375097621] [2023-02-16 04:25:36,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375097621] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:25:36,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722587929] [2023-02-16 04:25:36,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:36,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:36,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:25:36,502 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) [2023-02-16 04:25:36,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-16 04:25:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:36,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 04:25:36,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:25:36,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:36,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:25:36,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:36,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722587929] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:25:36,577 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:25:36,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-02-16 04:25:36,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340287848] [2023-02-16 04:25:36,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:25:36,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-16 04:25:36,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:36,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-16 04:25:36,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-02-16 04:25:36,579 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:36,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:36,608 INFO L93 Difference]: Finished difference Result 60 states and 68 transitions. [2023-02-16 04:25:36,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-16 04:25:36,609 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 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 10 [2023-02-16 04:25:36,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:36,609 INFO L225 Difference]: With dead ends: 60 [2023-02-16 04:25:36,610 INFO L226 Difference]: Without dead ends: 58 [2023-02-16 04:25:36,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-02-16 04:25:36,611 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 37 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:36,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 60 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:25:36,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-02-16 04:25:36,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 52. [2023-02-16 04:25:36,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 51 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:36,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2023-02-16 04:25:36,616 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 10 [2023-02-16 04:25:36,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:36,617 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2023-02-16 04:25:36,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:36,617 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2023-02-16 04:25:36,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-16 04:25:36,617 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:36,617 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1] [2023-02-16 04:25:36,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-16 04:25:36,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:36,822 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-16 04:25:36,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:36,823 INFO L85 PathProgramCache]: Analyzing trace with hash -646531742, now seen corresponding path program 1 times [2023-02-16 04:25:36,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:36,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013859233] [2023-02-16 04:25:36,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:36,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:36,868 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-16 04:25:36,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:36,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013859233] [2023-02-16 04:25:36,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013859233] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:25:36,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:25:36,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 04:25:36,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158207297] [2023-02-16 04:25:36,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:25:36,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:25:36,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:36,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:25:36,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:25:36,871 INFO L87 Difference]: Start difference. First operand 52 states and 62 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) [2023-02-16 04:25:36,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:36,893 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2023-02-16 04:25:36,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:25:36,894 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 [2023-02-16 04:25:36,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:36,895 INFO L225 Difference]: With dead ends: 52 [2023-02-16 04:25:36,895 INFO L226 Difference]: Without dead ends: 51 [2023-02-16 04:25:36,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:25:36,899 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 1 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:36,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 25 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:25:36,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-02-16 04:25:36,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-02-16 04:25:36,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 47 states have (on average 1.2553191489361701) internal successors, (59), 50 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:36,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 59 transitions. [2023-02-16 04:25:36,908 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 59 transitions. Word has length 12 [2023-02-16 04:25:36,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:36,909 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 59 transitions. [2023-02-16 04:25:36,909 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) [2023-02-16 04:25:36,909 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2023-02-16 04:25:36,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-02-16 04:25:36,910 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:36,910 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:25:36,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-16 04:25:36,910 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-16 04:25:36,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:36,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1384852765, now seen corresponding path program 1 times [2023-02-16 04:25:36,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:36,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853755457] [2023-02-16 04:25:36,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:36,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:36,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:36,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:36,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853755457] [2023-02-16 04:25:36,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853755457] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:25:36,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259533489] [2023-02-16 04:25:36,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:36,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:36,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:25:36,960 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) [2023-02-16 04:25:36,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-16 04:25:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:36,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-16 04:25:36,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:25:36,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-16 04:25:36,995 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 04:25:36,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259533489] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:25:36,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-16 04:25:36,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-02-16 04:25:36,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089135569] [2023-02-16 04:25:36,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:25:36,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:25:36,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:36,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:25:36,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:25:36,998 INFO L87 Difference]: Start difference. First operand 51 states and 59 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) [2023-02-16 04:25:37,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:37,011 INFO L93 Difference]: Finished difference Result 51 states and 59 transitions. [2023-02-16 04:25:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:25:37,013 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 [2023-02-16 04:25:37,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:37,014 INFO L225 Difference]: With dead ends: 51 [2023-02-16 04:25:37,014 INFO L226 Difference]: Without dead ends: 50 [2023-02-16 04:25:37,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:25:37,015 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 3 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:37,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 21 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:25:37,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-02-16 04:25:37,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-02-16 04:25:37,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 49 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:37,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2023-02-16 04:25:37,023 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 13 [2023-02-16 04:25:37,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:37,023 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2023-02-16 04:25:37,023 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) [2023-02-16 04:25:37,023 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2023-02-16 04:25:37,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-16 04:25:37,024 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:37,024 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:25:37,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-16 04:25:37,224 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,SelfDestructingSolverStorable6 [2023-02-16 04:25:37,225 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-16 04:25:37,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:37,225 INFO L85 PathProgramCache]: Analyzing trace with hash -19237175, now seen corresponding path program 1 times [2023-02-16 04:25:37,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:37,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141508846] [2023-02-16 04:25:37,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:37,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:37,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:37,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:37,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141508846] [2023-02-16 04:25:37,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141508846] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:25:37,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665880884] [2023-02-16 04:25:37,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:37,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:37,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:25:37,258 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) [2023-02-16 04:25:37,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-16 04:25:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:37,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-16 04:25:37,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:25:37,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-16 04:25:37,305 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 04:25:37,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665880884] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:25:37,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-16 04:25:37,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-02-16 04:25:37,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473295907] [2023-02-16 04:25:37,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:25:37,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:25:37,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:37,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:25:37,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:25:37,306 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:37,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:37,315 INFO L93 Difference]: Finished difference Result 65 states and 72 transitions. [2023-02-16 04:25:37,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:25:37,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-02-16 04:25:37,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:37,316 INFO L225 Difference]: With dead ends: 65 [2023-02-16 04:25:37,316 INFO L226 Difference]: Without dead ends: 64 [2023-02-16 04:25:37,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:25:37,317 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 1 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:37,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 26 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:25:37,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-02-16 04:25:37,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2023-02-16 04:25:37,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 60 states have (on average 1.15) internal successors, (69), 62 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:37,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 69 transitions. [2023-02-16 04:25:37,322 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 69 transitions. Word has length 14 [2023-02-16 04:25:37,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:37,323 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 69 transitions. [2023-02-16 04:25:37,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:37,323 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2023-02-16 04:25:37,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-02-16 04:25:37,323 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:37,323 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:25:37,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-02-16 04:25:37,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:37,528 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-16 04:25:37,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:37,528 INFO L85 PathProgramCache]: Analyzing trace with hash -272291815, now seen corresponding path program 1 times [2023-02-16 04:25:37,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:37,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822436804] [2023-02-16 04:25:37,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:37,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:37,578 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-02-16 04:25:37,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:37,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822436804] [2023-02-16 04:25:37,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822436804] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:25:37,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536700759] [2023-02-16 04:25:37,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:37,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:37,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:25:37,580 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) [2023-02-16 04:25:37,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-16 04:25:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:37,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-16 04:25:37,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:25:37,616 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-16 04:25:37,616 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 04:25:37,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536700759] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:25:37,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-16 04:25:37,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-02-16 04:25:37,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691033376] [2023-02-16 04:25:37,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:25:37,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:25:37,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:37,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:25:37,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:25:37,618 INFO L87 Difference]: Start difference. First operand 63 states and 69 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:37,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:37,627 INFO L93 Difference]: Finished difference Result 63 states and 69 transitions. [2023-02-16 04:25:37,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:25:37,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2023-02-16 04:25:37,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:37,631 INFO L225 Difference]: With dead ends: 63 [2023-02-16 04:25:37,631 INFO L226 Difference]: Without dead ends: 62 [2023-02-16 04:25:37,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:25:37,634 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 1 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:37,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 21 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:25:37,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-02-16 04:25:37,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 49. [2023-02-16 04:25:37,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 47 states have (on average 1.127659574468085) internal successors, (53), 48 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:37,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2023-02-16 04:25:37,639 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 19 [2023-02-16 04:25:37,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:37,639 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2023-02-16 04:25:37,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:37,639 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2023-02-16 04:25:37,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-02-16 04:25:37,640 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:37,640 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1] [2023-02-16 04:25:37,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-16 04:25:37,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:37,845 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-16 04:25:37,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:37,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1232254711, now seen corresponding path program 2 times [2023-02-16 04:25:37,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:37,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620140268] [2023-02-16 04:25:37,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:37,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:37,940 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:37,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:37,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620140268] [2023-02-16 04:25:37,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620140268] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:25:37,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309430168] [2023-02-16 04:25:37,940 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 04:25:37,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:37,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:25:37,942 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) [2023-02-16 04:25:37,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-16 04:25:37,969 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-16 04:25:37,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:25:37,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-16 04:25:37,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:25:38,008 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:38,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:25:38,078 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:38,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309430168] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:25:38,079 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:25:38,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-02-16 04:25:38,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497094997] [2023-02-16 04:25:38,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:25:38,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-16 04:25:38,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:38,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-16 04:25:38,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-02-16 04:25:38,083 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:38,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:38,152 INFO L93 Difference]: Finished difference Result 117 states and 137 transitions. [2023-02-16 04:25:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-16 04:25:38,153 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2023-02-16 04:25:38,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:38,154 INFO L225 Difference]: With dead ends: 117 [2023-02-16 04:25:38,154 INFO L226 Difference]: Without dead ends: 115 [2023-02-16 04:25:38,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-02-16 04:25:38,156 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 150 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:38,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 91 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:25:38,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-02-16 04:25:38,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2023-02-16 04:25:38,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 113 states have (on average 1.1061946902654867) internal successors, (125), 114 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:38,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 125 transitions. [2023-02-16 04:25:38,165 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 125 transitions. Word has length 25 [2023-02-16 04:25:38,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:38,165 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 125 transitions. [2023-02-16 04:25:38,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:38,166 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 125 transitions. [2023-02-16 04:25:38,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-02-16 04:25:38,167 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:38,167 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1] [2023-02-16 04:25:38,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-16 04:25:38,370 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,SelfDestructingSolverStorable9 [2023-02-16 04:25:38,371 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-16 04:25:38,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:38,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1715294249, now seen corresponding path program 3 times [2023-02-16 04:25:38,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:38,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822025213] [2023-02-16 04:25:38,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:38,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:38,519 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:38,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:38,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822025213] [2023-02-16 04:25:38,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822025213] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:25:38,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805932148] [2023-02-16 04:25:38,520 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-16 04:25:38,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:38,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:25:38,538 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) [2023-02-16 04:25:38,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-16 04:25:38,575 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-16 04:25:38,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:25:38,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-16 04:25:38,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:25:38,659 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:38,660 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:25:38,872 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:38,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805932148] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:25:38,872 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:25:38,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2023-02-16 04:25:38,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338435030] [2023-02-16 04:25:38,872 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:25:38,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-16 04:25:38,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:38,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-16 04:25:38,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-02-16 04:25:38,874 INFO L87 Difference]: Start difference. First operand 115 states and 125 transitions. Second operand has 24 states, 23 states have (on average 4.739130434782608) internal successors, (109), 24 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:39,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:39,019 INFO L93 Difference]: Finished difference Result 249 states and 293 transitions. [2023-02-16 04:25:39,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-02-16 04:25:39,019 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.739130434782608) internal successors, (109), 24 states have internal predecessors, (109), 0 states have call successors, (0), 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 55 [2023-02-16 04:25:39,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:39,020 INFO L225 Difference]: With dead ends: 249 [2023-02-16 04:25:39,020 INFO L226 Difference]: Without dead ends: 247 [2023-02-16 04:25:39,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-02-16 04:25:39,020 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 288 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:39,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 191 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:25:39,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2023-02-16 04:25:39,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2023-02-16 04:25:39,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 245 states have (on average 1.0979591836734695) internal successors, (269), 246 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:39,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 269 transitions. [2023-02-16 04:25:39,031 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 269 transitions. Word has length 55 [2023-02-16 04:25:39,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:39,031 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 269 transitions. [2023-02-16 04:25:39,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.739130434782608) internal successors, (109), 24 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:39,031 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 269 transitions. [2023-02-16 04:25:39,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-02-16 04:25:39,033 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:39,033 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1] [2023-02-16 04:25:39,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-16 04:25:39,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:39,234 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-16 04:25:39,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:39,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1975011735, now seen corresponding path program 4 times [2023-02-16 04:25:39,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:39,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594004074] [2023-02-16 04:25:39,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:39,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:39,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:39,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:39,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594004074] [2023-02-16 04:25:39,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594004074] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:25:39,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479331380] [2023-02-16 04:25:39,657 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-16 04:25:39,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:39,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:25:39,659 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) [2023-02-16 04:25:39,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-16 04:25:39,724 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-16 04:25:39,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:25:39,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 24 conjunts are in the unsatisfiable core [2023-02-16 04:25:39,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:25:39,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:39,856 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:25:40,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:40,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479331380] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:25:40,502 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:25:40,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2023-02-16 04:25:40,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99076239] [2023-02-16 04:25:40,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:25:40,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-02-16 04:25:40,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:40,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-02-16 04:25:40,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-02-16 04:25:40,505 INFO L87 Difference]: Start difference. First operand 247 states and 269 transitions. Second operand has 48 states, 47 states have (on average 4.872340425531915) internal successors, (229), 48 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:40,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:40,860 INFO L93 Difference]: Finished difference Result 513 states and 605 transitions. [2023-02-16 04:25:40,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-02-16 04:25:40,861 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 4.872340425531915) internal successors, (229), 48 states have internal predecessors, (229), 0 states have call successors, (0), 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 115 [2023-02-16 04:25:40,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:40,862 INFO L225 Difference]: With dead ends: 513 [2023-02-16 04:25:40,863 INFO L226 Difference]: Without dead ends: 511 [2023-02-16 04:25:40,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-02-16 04:25:40,864 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 796 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:40,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 383 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-16 04:25:40,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2023-02-16 04:25:40,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2023-02-16 04:25:40,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 509 states have (on average 1.0943025540275049) internal successors, (557), 510 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:40,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 557 transitions. [2023-02-16 04:25:40,877 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 557 transitions. Word has length 115 [2023-02-16 04:25:40,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:40,877 INFO L495 AbstractCegarLoop]: Abstraction has 511 states and 557 transitions. [2023-02-16 04:25:40,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 4.872340425531915) internal successors, (229), 48 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:40,878 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 557 transitions. [2023-02-16 04:25:40,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-02-16 04:25:40,880 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:40,880 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 1, 1, 1] [2023-02-16 04:25:40,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-16 04:25:41,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:41,096 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-16 04:25:41,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:41,097 INFO L85 PathProgramCache]: Analyzing trace with hash -721558807, now seen corresponding path program 5 times [2023-02-16 04:25:41,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:41,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118710808] [2023-02-16 04:25:41,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:41,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:42,674 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:42,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:42,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118710808] [2023-02-16 04:25:42,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118710808] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:25:42,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439375733] [2023-02-16 04:25:42,674 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-16 04:25:42,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:42,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:25:42,676 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) [2023-02-16 04:25:42,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-16 04:25:42,756 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-02-16 04:25:42,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:25:42,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 48 conjunts are in the unsatisfiable core [2023-02-16 04:25:42,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:25:42,984 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:42,984 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:25:45,240 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:45,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439375733] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:25:45,240 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:25:45,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2023-02-16 04:25:45,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796387240] [2023-02-16 04:25:45,241 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:25:45,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-02-16 04:25:45,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:45,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-02-16 04:25:45,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2023-02-16 04:25:45,245 INFO L87 Difference]: Start difference. First operand 511 states and 557 transitions. Second operand has 96 states, 95 states have (on average 4.936842105263158) internal successors, (469), 96 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:46,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:46,895 INFO L93 Difference]: Finished difference Result 1041 states and 1229 transitions. [2023-02-16 04:25:46,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-02-16 04:25:46,895 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 4.936842105263158) internal successors, (469), 96 states have internal predecessors, (469), 0 states have call successors, (0), 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 235 [2023-02-16 04:25:46,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:46,898 INFO L225 Difference]: With dead ends: 1041 [2023-02-16 04:25:46,898 INFO L226 Difference]: Without dead ends: 1039 [2023-02-16 04:25:46,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2023-02-16 04:25:46,900 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 2404 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 444 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2404 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 444 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:46,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2404 Valid, 769 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [444 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-16 04:25:46,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2023-02-16 04:25:46,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1039. [2023-02-16 04:25:46,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 1037 states have (on average 1.0925747348119577) internal successors, (1133), 1038 states have internal predecessors, (1133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:46,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1133 transitions. [2023-02-16 04:25:46,918 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1133 transitions. Word has length 235 [2023-02-16 04:25:46,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:46,919 INFO L495 AbstractCegarLoop]: Abstraction has 1039 states and 1133 transitions. [2023-02-16 04:25:46,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 4.936842105263158) internal successors, (469), 96 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:25:46,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1133 transitions. [2023-02-16 04:25:46,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2023-02-16 04:25:46,923 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:46,923 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 94, 94, 94, 1, 1, 1] [2023-02-16 04:25:46,929 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-02-16 04:25:47,127 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,SelfDestructingSolverStorable12 [2023-02-16 04:25:47,127 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-16 04:25:47,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:47,128 INFO L85 PathProgramCache]: Analyzing trace with hash -122700823, now seen corresponding path program 6 times [2023-02-16 04:25:47,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:47,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827715852] [2023-02-16 04:25:47,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:47,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:51,759 INFO L134 CoverageAnalysis]: Checked inductivity of 22137 backedges. 0 proven. 22137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:51,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:51,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827715852] [2023-02-16 04:25:51,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827715852] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:25:51,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812666750] [2023-02-16 04:25:51,759 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-16 04:25:51,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:51,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:25:51,761 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) [2023-02-16 04:25:51,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-02-16 04:25:51,930 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2023-02-16 04:25:51,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:25:51,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 96 conjunts are in the unsatisfiable core [2023-02-16 04:25:51,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:25:52,448 INFO L134 CoverageAnalysis]: Checked inductivity of 22137 backedges. 0 proven. 22137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:52,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:26:00,436 INFO L134 CoverageAnalysis]: Checked inductivity of 22137 backedges. 0 proven. 22137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:26:00,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812666750] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:26:00,436 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:26:00,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2023-02-16 04:26:00,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228253685] [2023-02-16 04:26:00,437 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:26:00,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2023-02-16 04:26:00,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:26:00,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2023-02-16 04:26:00,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2023-02-16 04:26:00,450 INFO L87 Difference]: Start difference. First operand 1039 states and 1133 transitions. Second operand has 192 states, 191 states have (on average 4.968586387434555) internal successors, (949), 192 states have internal predecessors, (949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:26:18,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:26:18,214 INFO L93 Difference]: Finished difference Result 2097 states and 2477 transitions. [2023-02-16 04:26:18,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2023-02-16 04:26:18,215 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 4.968586387434555) internal successors, (949), 192 states have internal predecessors, (949), 0 states have call successors, (0), 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 475 [2023-02-16 04:26:18,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:26:18,220 INFO L225 Difference]: With dead ends: 2097 [2023-02-16 04:26:18,220 INFO L226 Difference]: Without dead ends: 2095 [2023-02-16 04:26:18,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1044 GetRequests, 854 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2023-02-16 04:26:18,223 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 5038 mSDsluCounter, 1527 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 933 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5038 SdHoareTripleChecker+Valid, 1539 SdHoareTripleChecker+Invalid, 1711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 933 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-02-16 04:26:18,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5038 Valid, 1539 Invalid, 1711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [933 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-02-16 04:26:18,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2023-02-16 04:26:18,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2095. [2023-02-16 04:26:18,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2095 states, 2093 states have (on average 1.0917343526039178) internal successors, (2285), 2094 states have internal predecessors, (2285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:26:18,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 2095 states and 2285 transitions. [2023-02-16 04:26:18,255 INFO L78 Accepts]: Start accepts. Automaton has 2095 states and 2285 transitions. Word has length 475 [2023-02-16 04:26:18,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:26:18,255 INFO L495 AbstractCegarLoop]: Abstraction has 2095 states and 2285 transitions. [2023-02-16 04:26:18,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 4.968586387434555) internal successors, (949), 192 states have internal predecessors, (949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:26:18,256 INFO L276 IsEmpty]: Start isEmpty. Operand 2095 states and 2285 transitions. [2023-02-16 04:26:18,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 956 [2023-02-16 04:26:18,270 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:26:18,270 INFO L195 NwaCegarLoop]: trace histogram [191, 191, 190, 190, 190, 1, 1, 1] [2023-02-16 04:26:18,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-02-16 04:26:18,475 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,SelfDestructingSolverStorable13 [2023-02-16 04:26:18,475 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-16 04:26:18,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:26:18,475 INFO L85 PathProgramCache]: Analyzing trace with hash -685150743, now seen corresponding path program 7 times [2023-02-16 04:26:18,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:26:18,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395427118] [2023-02-16 04:26:18,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:26:18,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:26:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:26:37,693 INFO L134 CoverageAnalysis]: Checked inductivity of 90345 backedges. 0 proven. 90345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:26:37,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:26:37,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395427118] [2023-02-16 04:26:37,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395427118] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:26:37,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864453840] [2023-02-16 04:26:37,694 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-02-16 04:26:37,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:26:37,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:26:37,695 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:26:37,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-02-16 04:26:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:26:37,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 1720 conjuncts, 102 conjunts are in the unsatisfiable core [2023-02-16 04:26:37,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:26:46,699 INFO L134 CoverageAnalysis]: Checked inductivity of 90345 backedges. 70140 proven. 0 refuted. 0 times theorem prover too weak. 20205 trivial. 0 not checked. [2023-02-16 04:26:46,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 04:26:46,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864453840] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:26:46,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-16 04:26:46,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [103] imperfect sequences [192] total 294 [2023-02-16 04:26:46,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527589017] [2023-02-16 04:26:46,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:26:46,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2023-02-16 04:26:46,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:26:46,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2023-02-16 04:26:46,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23780, Invalid=62362, Unknown=0, NotChecked=0, Total=86142 [2023-02-16 04:26:46,709 INFO L87 Difference]: Start difference. First operand 2095 states and 2285 transitions. Second operand has 103 states, 103 states have (on average 4.941747572815534) internal successors, (509), 103 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:26:47,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:26:47,649 INFO L93 Difference]: Finished difference Result 2544 states and 2734 transitions. [2023-02-16 04:26:47,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-02-16 04:26:47,649 INFO L78 Accepts]: Start accepts. Automaton has has 103 states, 103 states have (on average 4.941747572815534) internal successors, (509), 103 states have internal predecessors, (509), 0 states have call successors, (0), 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 955 [2023-02-16 04:26:47,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:26:47,655 INFO L225 Difference]: With dead ends: 2544 [2023-02-16 04:26:47,655 INFO L226 Difference]: Without dead ends: 1552 [2023-02-16 04:26:47,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1146 GetRequests, 854 SyntacticMatches, 0 SemanticMatches, 292 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19190 ImplicationChecksByTransitivity, 18.0s TimeCoverageRelationStatistics Valid=23780, Invalid=62362, Unknown=0, NotChecked=0, Total=86142 [2023-02-16 04:26:47,664 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 21 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 1651 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1047 SdHoareTripleChecker+Invalid, 1654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-02-16 04:26:47,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1047 Invalid, 1654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1651 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-02-16 04:26:47,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1552 states. [2023-02-16 04:26:47,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1552 to 1552. [2023-02-16 04:26:47,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1552 states, 1551 states have (on average 1.064474532559639) internal successors, (1651), 1551 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:26:47,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1552 states and 1651 transitions. [2023-02-16 04:26:47,697 INFO L78 Accepts]: Start accepts. Automaton has 1552 states and 1651 transitions. Word has length 955 [2023-02-16 04:26:47,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:26:47,698 INFO L495 AbstractCegarLoop]: Abstraction has 1552 states and 1651 transitions. [2023-02-16 04:26:47,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 4.941747572815534) internal successors, (509), 103 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:26:47,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1651 transitions. [2023-02-16 04:26:47,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2023-02-16 04:26:47,715 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:26:47,715 INFO L195 NwaCegarLoop]: trace histogram [190, 190, 189, 189, 189, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:26:47,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-02-16 04:26:47,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-02-16 04:26:47,921 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-16 04:26:47,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:26:47,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1542061399, now seen corresponding path program 1 times [2023-02-16 04:26:47,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:26:47,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777791705] [2023-02-16 04:26:47,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:26:47,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:26:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:26:48,133 INFO L134 CoverageAnalysis]: Checked inductivity of 89398 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 89397 trivial. 0 not checked. [2023-02-16 04:26:48,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:26:48,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777791705] [2023-02-16 04:26:48,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777791705] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:26:48,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653022262] [2023-02-16 04:26:48,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:26:48,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:26:48,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:26:48,135 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:26:48,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-02-16 04:26:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:26:48,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 1723 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 04:26:48,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:26:48,360 INFO L134 CoverageAnalysis]: Checked inductivity of 89398 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 89397 trivial. 0 not checked. [2023-02-16 04:26:48,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:26:48,389 INFO L134 CoverageAnalysis]: Checked inductivity of 89398 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 89397 trivial. 0 not checked. [2023-02-16 04:26:48,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653022262] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:26:48,389 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:26:48,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2023-02-16 04:26:48,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855714855] [2023-02-16 04:26:48,390 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:26:48,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-16 04:26:48,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:26:48,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-16 04:26:48,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-02-16 04:26:48,392 INFO L87 Difference]: Start difference. First operand 1552 states and 1651 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:26:48,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:26:48,420 INFO L93 Difference]: Finished difference Result 2486 states and 2585 transitions. [2023-02-16 04:26:48,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-16 04:26:48,420 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 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 957 [2023-02-16 04:26:48,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:26:48,424 INFO L225 Difference]: With dead ends: 2486 [2023-02-16 04:26:48,424 INFO L226 Difference]: Without dead ends: 1534 [2023-02-16 04:26:48,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1916 GetRequests, 1912 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-02-16 04:26:48,426 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 8 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:26:48,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 50 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:26:48,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2023-02-16 04:26:48,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1534. [2023-02-16 04:26:48,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1534 states, 1533 states have (on average 1.0632746249184606) internal successors, (1630), 1533 states have internal predecessors, (1630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:26:48,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1534 states and 1630 transitions. [2023-02-16 04:26:48,453 INFO L78 Accepts]: Start accepts. Automaton has 1534 states and 1630 transitions. Word has length 957 [2023-02-16 04:26:48,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:26:48,453 INFO L495 AbstractCegarLoop]: Abstraction has 1534 states and 1630 transitions. [2023-02-16 04:26:48,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:26:48,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1630 transitions. [2023-02-16 04:26:48,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2023-02-16 04:26:48,459 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:26:48,460 INFO L195 NwaCegarLoop]: trace histogram [187, 187, 186, 186, 186, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2023-02-16 04:26:48,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-02-16 04:26:48,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-02-16 04:26:48,666 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-16 04:26:48,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:26:48,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1333782768, now seen corresponding path program 2 times [2023-02-16 04:26:48,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:26:48,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20777985] [2023-02-16 04:26:48,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:26:48,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:26:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:26:48,927 INFO L134 CoverageAnalysis]: Checked inductivity of 86617 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 86583 trivial. 0 not checked. [2023-02-16 04:26:48,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:26:48,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20777985] [2023-02-16 04:26:48,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20777985] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:26:48,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919061808] [2023-02-16 04:26:48,928 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 04:26:48,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:26:48,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:26:48,929 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:26:48,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-02-16 04:26:49,133 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-16 04:26:49,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:26:49,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 1723 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-16 04:26:49,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:26:49,173 INFO L134 CoverageAnalysis]: Checked inductivity of 86617 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 86583 trivial. 0 not checked. [2023-02-16 04:26:49,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:26:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 86617 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 86583 trivial. 0 not checked. [2023-02-16 04:26:49,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919061808] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:26:49,236 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:26:49,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2023-02-16 04:26:49,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729570923] [2023-02-16 04:26:49,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:26:49,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-16 04:26:49,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:26:49,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-16 04:26:49,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-02-16 04:26:49,238 INFO L87 Difference]: Start difference. First operand 1534 states and 1630 transitions. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:26:49,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:26:49,280 INFO L93 Difference]: Finished difference Result 2438 states and 2534 transitions. [2023-02-16 04:26:49,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-16 04:26:49,280 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 0 states have call successors, (0), 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 957 [2023-02-16 04:26:49,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:26:49,284 INFO L225 Difference]: With dead ends: 2438 [2023-02-16 04:26:49,284 INFO L226 Difference]: Without dead ends: 1498 [2023-02-16 04:26:49,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1919 GetRequests, 1909 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-02-16 04:26:49,286 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 8 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:26:49,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 62 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:26:49,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2023-02-16 04:26:49,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1498. [2023-02-16 04:26:49,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1498 states, 1497 states have (on average 1.0607882431529727) internal successors, (1588), 1497 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:26:49,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1498 states and 1588 transitions. [2023-02-16 04:26:49,311 INFO L78 Accepts]: Start accepts. Automaton has 1498 states and 1588 transitions. Word has length 957 [2023-02-16 04:26:49,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:26:49,311 INFO L495 AbstractCegarLoop]: Abstraction has 1498 states and 1588 transitions. [2023-02-16 04:26:49,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:26:49,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 1588 transitions. [2023-02-16 04:26:49,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2023-02-16 04:26:49,318 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:26:49,318 INFO L195 NwaCegarLoop]: trace histogram [181, 181, 180, 180, 180, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2023-02-16 04:26:49,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-02-16 04:26:49,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-02-16 04:26:49,525 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-16 04:26:49,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:26:49,525 INFO L85 PathProgramCache]: Analyzing trace with hash 2002097648, now seen corresponding path program 3 times [2023-02-16 04:26:49,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:26:49,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656975017] [2023-02-16 04:26:49,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:26:49,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:26:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:26:49,975 INFO L134 CoverageAnalysis]: Checked inductivity of 81325 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 81090 trivial. 0 not checked. [2023-02-16 04:26:49,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:26:49,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656975017] [2023-02-16 04:26:49,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656975017] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:26:49,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182279375] [2023-02-16 04:26:49,976 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-16 04:26:49,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:26:49,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:26:49,981 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:26:49,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-02-16 04:26:50,050 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-16 04:26:50,050 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:26:50,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-16 04:26:50,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:26:50,106 INFO L134 CoverageAnalysis]: Checked inductivity of 81325 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 81090 trivial. 0 not checked. [2023-02-16 04:26:50,106 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:26:50,278 INFO L134 CoverageAnalysis]: Checked inductivity of 81325 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 81090 trivial. 0 not checked. [2023-02-16 04:26:50,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182279375] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:26:50,279 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:26:50,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 24 [2023-02-16 04:26:50,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528305044] [2023-02-16 04:26:50,279 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:26:50,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-16 04:26:50,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:26:50,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-16 04:26:50,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-02-16 04:26:50,281 INFO L87 Difference]: Start difference. First operand 1498 states and 1588 transitions. Second operand has 24 states, 24 states have (on average 4.666666666666667) internal successors, (112), 24 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:26:50,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:26:50,342 INFO L93 Difference]: Finished difference Result 2342 states and 2432 transitions. [2023-02-16 04:26:50,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-02-16 04:26:50,343 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.666666666666667) internal successors, (112), 24 states have internal predecessors, (112), 0 states have call successors, (0), 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 957 [2023-02-16 04:26:50,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:26:50,346 INFO L225 Difference]: With dead ends: 2342 [2023-02-16 04:26:50,346 INFO L226 Difference]: Without dead ends: 1426 [2023-02-16 04:26:50,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1925 GetRequests, 1903 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-02-16 04:26:50,347 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 8 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:26:50,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 70 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:26:50,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2023-02-16 04:26:50,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1426. [2023-02-16 04:26:50,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1425 states have (on average 1.055438596491228) internal successors, (1504), 1425 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:26:50,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 1504 transitions. [2023-02-16 04:26:50,369 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 1504 transitions. Word has length 957 [2023-02-16 04:26:50,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:26:50,369 INFO L495 AbstractCegarLoop]: Abstraction has 1426 states and 1504 transitions. [2023-02-16 04:26:50,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.666666666666667) internal successors, (112), 24 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:26:50,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 1504 transitions. [2023-02-16 04:26:50,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2023-02-16 04:26:50,375 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:26:50,376 INFO L195 NwaCegarLoop]: trace histogram [169, 169, 168, 168, 168, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2023-02-16 04:26:50,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-02-16 04:26:50,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-02-16 04:26:50,580 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-16 04:26:50,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:26:50,580 INFO L85 PathProgramCache]: Analyzing trace with hash -692294736, now seen corresponding path program 4 times [2023-02-16 04:26:50,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:26:50,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414452428] [2023-02-16 04:26:50,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:26:50,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:26:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:26:51,428 INFO L134 CoverageAnalysis]: Checked inductivity of 71821 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 70644 trivial. 0 not checked. [2023-02-16 04:26:51,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:26:51,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414452428] [2023-02-16 04:26:51,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414452428] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:26:51,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394525626] [2023-02-16 04:26:51,429 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-16 04:26:51,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:26:51,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:26:51,430 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:26:51,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-02-16 04:26:51,627 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-16 04:26:51,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:26:51,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 1723 conjuncts, 24 conjunts are in the unsatisfiable core [2023-02-16 04:26:51,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:26:51,740 INFO L134 CoverageAnalysis]: Checked inductivity of 71821 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 70644 trivial. 0 not checked. [2023-02-16 04:26:51,740 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:26:52,300 INFO L134 CoverageAnalysis]: Checked inductivity of 71821 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 70644 trivial. 0 not checked. [2023-02-16 04:26:52,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394525626] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:26:52,301 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:26:52,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 48 [2023-02-16 04:26:52,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908115602] [2023-02-16 04:26:52,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:26:52,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-02-16 04:26:52,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:26:52,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-02-16 04:26:52,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-02-16 04:26:52,303 INFO L87 Difference]: Start difference. First operand 1426 states and 1504 transitions. Second operand has 48 states, 48 states have (on average 4.833333333333333) internal successors, (232), 48 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:26:52,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:26:52,422 INFO L93 Difference]: Finished difference Result 2150 states and 2228 transitions. [2023-02-16 04:26:52,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-02-16 04:26:52,422 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 4.833333333333333) internal successors, (232), 48 states have internal predecessors, (232), 0 states have call successors, (0), 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 957 [2023-02-16 04:26:52,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:26:52,425 INFO L225 Difference]: With dead ends: 2150 [2023-02-16 04:26:52,425 INFO L226 Difference]: Without dead ends: 1282 [2023-02-16 04:26:52,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1937 GetRequests, 1891 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-02-16 04:26:52,427 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 8 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:26:52,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 110 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:26:52,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2023-02-16 04:26:52,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 1282. [2023-02-16 04:26:52,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1281 states have (on average 1.0429352068696331) internal successors, (1336), 1281 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:26:52,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1336 transitions. [2023-02-16 04:26:52,448 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1336 transitions. Word has length 957 [2023-02-16 04:26:52,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:26:52,448 INFO L495 AbstractCegarLoop]: Abstraction has 1282 states and 1336 transitions. [2023-02-16 04:26:52,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 4.833333333333333) internal successors, (232), 48 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:26:52,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1336 transitions. [2023-02-16 04:26:52,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2023-02-16 04:26:52,454 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:26:52,455 INFO L195 NwaCegarLoop]: trace histogram [145, 145, 144, 144, 144, 46, 46, 46, 46, 46, 1, 1, 1, 1, 1] [2023-02-16 04:26:52,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-02-16 04:26:52,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:26:52,661 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-16 04:26:52,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:26:52,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1241417936, now seen corresponding path program 5 times [2023-02-16 04:26:52,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:26:52,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374436617] [2023-02-16 04:26:52,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:26:52,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:26:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:26:54,689 INFO L134 CoverageAnalysis]: Checked inductivity of 57133 backedges. 0 proven. 5221 refuted. 0 times theorem prover too weak. 51912 trivial. 0 not checked. [2023-02-16 04:26:54,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:26:54,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374436617] [2023-02-16 04:26:54,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374436617] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:26:54,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742046504] [2023-02-16 04:26:54,690 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-16 04:26:54,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:26:54,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:26:54,691 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:26:54,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-02-16 04:26:55,132 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 145 check-sat command(s) [2023-02-16 04:26:55,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:26:55,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 1723 conjuncts, 145 conjunts are in the unsatisfiable core [2023-02-16 04:26:55,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:27:03,337 INFO L134 CoverageAnalysis]: Checked inductivity of 57133 backedges. 51910 proven. 0 refuted. 0 times theorem prover too weak. 5223 trivial. 0 not checked. [2023-02-16 04:27:03,337 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 04:27:03,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742046504] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:27:03,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-16 04:27:03,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [146] imperfect sequences [49] total 193 [2023-02-16 04:27:03,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646619619] [2023-02-16 04:27:03,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:27:03,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2023-02-16 04:27:03,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:27:03,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2023-02-16 04:27:03,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11760, Invalid=25296, Unknown=0, NotChecked=0, Total=37056 [2023-02-16 04:27:03,343 INFO L87 Difference]: Start difference. First operand 1282 states and 1336 transitions. Second operand has 146 states, 146 states have (on average 5.006849315068493) internal successors, (731), 146 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:27:03,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:27:03,446 INFO L93 Difference]: Finished difference Result 2956 states and 3010 transitions. [2023-02-16 04:27:03,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-02-16 04:27:03,447 INFO L78 Accepts]: Start accepts. Automaton has has 146 states, 146 states have (on average 5.006849315068493) internal successors, (731), 146 states have internal predecessors, (731), 0 states have call successors, (0), 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 957 [2023-02-16 04:27:03,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:27:03,447 INFO L225 Difference]: With dead ends: 2956 [2023-02-16 04:27:03,447 INFO L226 Difference]: Without dead ends: 0 [2023-02-16 04:27:03,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1005 GetRequests, 814 SyntacticMatches, 0 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6624 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=11760, Invalid=25296, Unknown=0, NotChecked=0, Total=37056 [2023-02-16 04:27:03,452 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:27:03,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:27:03,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-16 04:27:03,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-16 04:27:03,453 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) [2023-02-16 04:27:03,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-16 04:27:03,453 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 957 [2023-02-16 04:27:03,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:27:03,453 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-16 04:27:03,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 5.006849315068493) internal successors, (731), 146 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:27:03,454 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-16 04:27:03,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-16 04:27:03,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-02-16 04:27:03,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-02-16 04:27:03,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-02-16 04:27:03,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-02-16 04:27:03,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-02-16 04:27:03,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-02-16 04:27:03,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-02-16 04:27:03,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-02-16 04:27:03,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-02-16 04:27:03,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:27:03,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-16 04:27:09,452 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2023-02-16 04:27:09,452 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-16 04:27:09,452 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2023-02-16 04:27:09,452 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2023-02-16 04:27:09,452 INFO L899 garLoopResultBuilder]: For program point L17(line 17) no Hoare annotation was computed. [2023-02-16 04:27:09,452 INFO L899 garLoopResultBuilder]: For program point L17-1(line 17) no Hoare annotation was computed. [2023-02-16 04:27:09,453 INFO L895 garLoopResultBuilder]: At program point L15-2(lines 15 18) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~c~0#1|)) (.cse1 (<= 100 |ULTIMATE.start_main_~i~0#1|)) (.cse2 (<= 0 |ULTIMATE.start_main_~i~0#1|)) (.cse3 (<= 5 |ULTIMATE.start_main_~j~0#1|))) (or (and .cse0 (<= 8 |ULTIMATE.start_main_~j~0#1|) .cse1 .cse2 (< |ULTIMATE.start_main_~c~0#1| 2147483559) .cse3) (and .cse0 .cse1 .cse2 (< |ULTIMATE.start_main_~c~0#1| 2147483562) (<= 17 |ULTIMATE.start_main_~j~0#1|) .cse3) (and .cse0 .cse1 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483558)) (and .cse0 (<= 11 |ULTIMATE.start_main_~j~0#1|) .cse1 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483560)) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483564) (<= 23 |ULTIMATE.start_main_~j~0#1|) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (< |ULTIMATE.start_main_~c~0#1| 2147483561) (<= 14 |ULTIMATE.start_main_~j~0#1|) .cse3) (and .cse0 .cse1 (<= 20 |ULTIMATE.start_main_~j~0#1|) .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483563)))) [2023-02-16 04:27:09,453 INFO L899 garLoopResultBuilder]: For program point L15-3(lines 15 18) no Hoare annotation was computed. [2023-02-16 04:27:09,453 INFO L899 garLoopResultBuilder]: For program point L11(line 11) no Hoare annotation was computed. [2023-02-16 04:27:09,453 INFO L899 garLoopResultBuilder]: For program point L11-1(line 11) no Hoare annotation was computed. [2023-02-16 04:27:09,453 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-16 04:27:09,453 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 5 20) the Hoare annotation is: (<= 0 |ULTIMATE.start_main_~c~0#1|) [2023-02-16 04:27:09,453 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2023-02-16 04:27:09,453 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-16 04:27:09,453 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2023-02-16 04:27:09,454 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2023-02-16 04:27:09,454 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2023-02-16 04:27:09,454 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-16 04:27:09,454 INFO L899 garLoopResultBuilder]: For program point L16(line 16) no Hoare annotation was computed. [2023-02-16 04:27:09,454 INFO L899 garLoopResultBuilder]: For program point L16-1(line 16) no Hoare annotation was computed. [2023-02-16 04:27:09,454 INFO L899 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2023-02-16 04:27:09,454 INFO L899 garLoopResultBuilder]: For program point L12-1(line 12) no Hoare annotation was computed. [2023-02-16 04:27:09,454 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2023-02-16 04:27:09,455 INFO L895 garLoopResultBuilder]: At program point L10-2(lines 10 13) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~c~0#1|))) (or (and .cse0 (<= 87 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 87)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 56) (<= 56 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 91 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 91)) (and .cse0 (<= 15 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 15)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 31) (<= 31 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 41) (<= 41 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 43 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 43)) (and .cse0 (<= 54 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 54)) (and .cse0 (<= 10 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 10)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 90) (<= 90 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 47) (<= 47 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 8 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 8)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 60) (<= 60 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 86 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 86)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 73) (<= 73 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 81) (<= 81 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 50 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 50)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 68) (<= 68 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 3 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 3)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 18) (<= 18 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 22 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 22)) (and .cse0 (<= 70 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 70)) (and .cse0 (<= 45 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 45)) (and .cse0 (<= 19 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 19)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 51) (<= 51 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 32 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 32)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 85) (<= 85 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 5) (<= 5 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 46) (<= 46 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 9) (<= 9 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 42 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 42)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 12) (<= 12 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 29) (<= 29 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 100 |ULTIMATE.start_main_~i~0#1|) (< |ULTIMATE.start_main_~c~0#1| 2147483558)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 55) (<= 55 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 98 |ULTIMATE.start_main_~i~0#1|) (< |ULTIMATE.start_main_~c~0#1| 2147483556)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 89) (<= 89 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 40) (<= 40 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 34 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 34)) (and .cse0 (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 0)) (and .cse0 (<= 24 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 24)) (and .cse0 (<= 25 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 25)) (and .cse0 (<= 92 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 92)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 84) (<= 84 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 75) (<= 75 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 6) (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 30) (<= 30 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 96 |ULTIMATE.start_main_~i~0#1|) (< |ULTIMATE.start_main_~c~0#1| 2147483554)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 57) (<= 57 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 67 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 67)) (and .cse0 (<= 39 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 39)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 49) (<= 49 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 52 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 52)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 53) (<= 53 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 62) (<= 62 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 2) (<= 2 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483553) (<= 95 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 7) (<= 7 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 78 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 78)) (and .cse0 (<= 77 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 77)) (and .cse0 (<= 4 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 4)) (and .cse0 (<= 35 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 35)) (and .cse0 (<= 93 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 93)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 38) (<= 38 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 21 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 21)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 71) (<= 71 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 74) (<= 74 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 26) (<= 26 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 88) (<= 88 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 82) (<= 82 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 23) (<= 23 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 61 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 61)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 83) (<= 83 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483557) (<= 99 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 13) (<= 13 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 65) (<= 65 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 79 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 79)) (and .cse0 (<= 36 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 36)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 16) (<= 16 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 14) (<= 14 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 33) (<= 33 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 64 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 64)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 58) (<= 58 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 59) (<= 59 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 44 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 44)) (and .cse0 (<= 17 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 17)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 1) (<= 1 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 72 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 72)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 76) (<= 76 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 20 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 20)) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483555) (<= 97 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 63 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 63)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 48) (<= 48 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 27 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 27)) (and .cse0 (<= 66 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 66)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 94) (<= 94 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 69) (<= 69 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 28) (<= 28 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 37) (<= 37 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 11) (<= 11 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 80 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 80)))) [2023-02-16 04:27:09,455 INFO L899 garLoopResultBuilder]: For program point L10-3(lines 10 13) no Hoare annotation was computed. [2023-02-16 04:27:09,457 INFO L445 BasicCegarLoop]: Path program histogram: [7, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:27:09,459 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-16 04:27:09,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 04:27:09 BoogieIcfgContainer [2023-02-16 04:27:09,491 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-16 04:27:09,491 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-16 04:27:09,491 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-16 04:27:09,492 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-16 04:27:09,492 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:25:36" (3/4) ... [2023-02-16 04:27:09,494 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-16 04:27:09,501 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-16 04:27:09,502 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-16 04:27:09,502 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-16 04:27:09,522 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-16 04:27:09,522 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-16 04:27:09,523 INFO L158 Benchmark]: Toolchain (without parser) took 93867.51ms. Allocated memory was 161.5MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 117.7MB in the beginning and 702.3MB in the end (delta: -584.6MB). Peak memory consumption was 735.5MB. Max. memory is 16.1GB. [2023-02-16 04:27:09,523 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory was 48.7MB in the beginning and 48.6MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 04:27:09,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 143.72ms. Allocated memory is still 161.5MB. Free memory was 117.2MB in the beginning and 108.2MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-16 04:27:09,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.21ms. Allocated memory is still 161.5MB. Free memory was 108.2MB in the beginning and 106.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-16 04:27:09,524 INFO L158 Benchmark]: Boogie Preprocessor took 13.76ms. Allocated memory is still 161.5MB. Free memory was 106.7MB in the beginning and 105.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 04:27:09,527 INFO L158 Benchmark]: RCFGBuilder took 177.04ms. Allocated memory is still 161.5MB. Free memory was 105.6MB in the beginning and 96.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-16 04:27:09,527 INFO L158 Benchmark]: TraceAbstraction took 93476.56ms. Allocated memory was 161.5MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 96.2MB in the beginning and 705.4MB in the end (delta: -609.3MB). Peak memory consumption was 888.6MB. Max. memory is 16.1GB. [2023-02-16 04:27:09,527 INFO L158 Benchmark]: Witness Printer took 30.94ms. Allocated memory is still 1.5GB. Free memory was 705.4MB in the beginning and 702.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-16 04:27:09,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory was 48.7MB in the beginning and 48.6MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 143.72ms. Allocated memory is still 161.5MB. Free memory was 117.2MB in the beginning and 108.2MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.21ms. Allocated memory is still 161.5MB. Free memory was 108.2MB in the beginning and 106.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.76ms. Allocated memory is still 161.5MB. Free memory was 106.7MB in the beginning and 105.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 177.04ms. Allocated memory is still 161.5MB. Free memory was 105.6MB in the beginning and 96.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 93476.56ms. Allocated memory was 161.5MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 96.2MB in the beginning and 705.4MB in the end (delta: -609.3MB). Peak memory consumption was 888.6MB. Max. memory is 16.1GB. * Witness Printer took 30.94ms. Allocated memory is still 1.5GB. Free memory was 705.4MB in the beginning and 702.3MB 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: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 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, 25 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 93.4s, OverallIterations: 20, TraceHistogramMax: 191, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.1s, AutomataDifference: 21.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8808 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8808 mSDsluCounter, 4689 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4216 mSDsCounter, 1648 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3620 IncrementalHoareTripleChecker+Invalid, 5268 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1648 mSolverCounterUnsat, 473 mSDtfsCounter, 3620 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11920 GetRequests, 10975 SyntacticMatches, 0 SemanticMatches, 945 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25817 ImplicationChecksByTransitivity, 40.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2095occurred in iteration=14, InterpolantAutomatonStates: 604, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 20 MinimizatonAttempts, 20 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 490 NumberOfFragments, 1145 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 15816 FormulaSimplificationTreeSizeReductionInter, 5.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 59.9s InterpolantComputationTime, 13436 NumberOfCodeBlocks, 12586 NumberOfCodeBlocksAsserted, 343 NumberOfCheckSat, 18134 ConstructedInterpolants, 0 QuantifiedInterpolants, 29586 SizeOfPredicates, 6 NumberOfNonLiveVariables, 10544 ConjunctsInSsa, 487 ConjunctsInUnsatCore, 45 InterpolantComputations, 10 PerfectInterpolantSequences, 1182550/1369373 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: 10]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= c && 87 <= i) && c <= 87) || ((0 <= c && c <= 56) && 56 <= i)) || ((0 <= c && 91 <= i) && c <= 91)) || ((0 <= c && 15 <= i) && c <= 15)) || ((0 <= c && c <= 31) && 31 <= i)) || ((0 <= c && c <= 41) && 41 <= i)) || ((0 <= c && 43 <= i) && c <= 43)) || ((0 <= c && 54 <= i) && c <= 54)) || ((0 <= c && 10 <= i) && c <= 10)) || ((0 <= c && c <= 90) && 90 <= i)) || ((0 <= c && c <= 47) && 47 <= i)) || ((0 <= c && 8 <= i) && c <= 8)) || ((0 <= c && c <= 60) && 60 <= i)) || ((0 <= c && 86 <= i) && c <= 86)) || ((0 <= c && c <= 73) && 73 <= i)) || ((0 <= c && c <= 81) && 81 <= i)) || ((0 <= c && 50 <= i) && c <= 50)) || ((0 <= c && c <= 68) && 68 <= i)) || ((0 <= c && 3 <= i) && c <= 3)) || ((0 <= c && c <= 18) && 18 <= i)) || ((0 <= c && 22 <= i) && c <= 22)) || ((0 <= c && 70 <= i) && c <= 70)) || ((0 <= c && 45 <= i) && c <= 45)) || ((0 <= c && 19 <= i) && c <= 19)) || ((0 <= c && c <= 51) && 51 <= i)) || ((0 <= c && 32 <= i) && c <= 32)) || ((0 <= c && c <= 85) && 85 <= i)) || ((0 <= c && c <= 5) && 5 <= i)) || ((0 <= c && c <= 46) && 46 <= i)) || ((0 <= c && c <= 9) && 9 <= i)) || ((0 <= c && 42 <= i) && c <= 42)) || ((0 <= c && c <= 12) && 12 <= i)) || ((0 <= c && c <= 29) && 29 <= i)) || ((0 <= c && 100 <= i) && c < 2147483558)) || ((0 <= c && c <= 55) && 55 <= i)) || ((0 <= c && 98 <= i) && c < 2147483556)) || ((0 <= c && c <= 89) && 89 <= i)) || ((0 <= c && c <= 40) && 40 <= i)) || ((0 <= c && 34 <= i) && c <= 34)) || ((0 <= c && 0 <= i) && c <= 0)) || ((0 <= c && 24 <= i) && c <= 24)) || ((0 <= c && 25 <= i) && c <= 25)) || ((0 <= c && 92 <= i) && c <= 92)) || ((0 <= c && c <= 84) && 84 <= i)) || ((0 <= c && c <= 75) && 75 <= i)) || ((0 <= c && c <= 6) && 6 <= i)) || ((0 <= c && c <= 30) && 30 <= i)) || ((0 <= c && 96 <= i) && c < 2147483554)) || ((0 <= c && c <= 57) && 57 <= i)) || ((0 <= c && 67 <= i) && c <= 67)) || ((0 <= c && 39 <= i) && c <= 39)) || ((0 <= c && c <= 49) && 49 <= i)) || ((0 <= c && 52 <= i) && c <= 52)) || ((0 <= c && c <= 53) && 53 <= i)) || ((0 <= c && c <= 62) && 62 <= i)) || ((0 <= c && c <= 2) && 2 <= i)) || ((0 <= c && c < 2147483553) && 95 <= i)) || ((0 <= c && c <= 7) && 7 <= i)) || ((0 <= c && 78 <= i) && c <= 78)) || ((0 <= c && 77 <= i) && c <= 77)) || ((0 <= c && 4 <= i) && c <= 4)) || ((0 <= c && 35 <= i) && c <= 35)) || ((0 <= c && 93 <= i) && c <= 93)) || ((0 <= c && c <= 38) && 38 <= i)) || ((0 <= c && 21 <= i) && c <= 21)) || ((0 <= c && c <= 71) && 71 <= i)) || ((0 <= c && c <= 74) && 74 <= i)) || ((0 <= c && c <= 26) && 26 <= i)) || ((0 <= c && c <= 88) && 88 <= i)) || ((0 <= c && c <= 82) && 82 <= i)) || ((0 <= c && c <= 23) && 23 <= i)) || ((0 <= c && 61 <= i) && c <= 61)) || ((0 <= c && c <= 83) && 83 <= i)) || ((0 <= c && c < 2147483557) && 99 <= i)) || ((0 <= c && c <= 13) && 13 <= i)) || ((0 <= c && c <= 65) && 65 <= i)) || ((0 <= c && 79 <= i) && c <= 79)) || ((0 <= c && 36 <= i) && c <= 36)) || ((0 <= c && c <= 16) && 16 <= i)) || ((0 <= c && c <= 14) && 14 <= i)) || ((0 <= c && c <= 33) && 33 <= i)) || ((0 <= c && 64 <= i) && c <= 64)) || ((0 <= c && c <= 58) && 58 <= i)) || ((0 <= c && c <= 59) && 59 <= i)) || ((0 <= c && 44 <= i) && c <= 44)) || ((0 <= c && 17 <= i) && c <= 17)) || ((0 <= c && c <= 1) && 1 <= i)) || ((0 <= c && 72 <= i) && c <= 72)) || ((0 <= c && c <= 76) && 76 <= i)) || ((0 <= c && 20 <= i) && c <= 20)) || ((0 <= c && c < 2147483555) && 97 <= i)) || ((0 <= c && 63 <= i) && c <= 63)) || ((0 <= c && c <= 48) && 48 <= i)) || ((0 <= c && 27 <= i) && c <= 27)) || ((0 <= c && 66 <= i) && c <= 66)) || ((0 <= c && c <= 94) && 94 <= i)) || ((0 <= c && c <= 69) && 69 <= i)) || ((0 <= c && c <= 28) && 28 <= i)) || ((0 <= c && c <= 37) && 37 <= i)) || ((0 <= c && c <= 11) && 11 <= i)) || ((0 <= c && 80 <= i) && c <= 80) - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 0 <= c - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: ((((((((((0 <= c && 8 <= j) && 100 <= i) && 0 <= i) && c < 2147483559) && 5 <= j) || (((((0 <= c && 100 <= i) && 0 <= i) && c < 2147483562) && 17 <= j) && 5 <= j)) || ((((0 <= c && 100 <= i) && 0 <= i) && 5 <= j) && c < 2147483558)) || (((((0 <= c && 11 <= j) && 100 <= i) && 0 <= i) && 5 <= j) && c < 2147483560)) || (((((0 <= c && c < 2147483564) && 23 <= j) && 100 <= i) && 0 <= i) && 5 <= j)) || (((((0 <= c && 100 <= i) && 0 <= i) && c < 2147483561) && 14 <= j) && 5 <= j)) || (((((0 <= c && 100 <= i) && 20 <= j) && 0 <= i) && 5 <= j) && c < 2147483563) RESULT: Ultimate proved your program to be correct! [2023-02-16 04:27:09,555 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