./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive/Addition02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 26d01a9c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive/Addition02.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 12b38fa2e3d5fdbfa2e75fd7db8c6635c3a88ba468adc8c100051dd60d30a551 --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-18 07:27:10,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 07:27:10,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 07:27:10,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 07:27:10,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 07:27:10,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 07:27:10,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 07:27:10,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 07:27:10,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 07:27:10,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 07:27:10,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 07:27:10,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 07:27:10,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 07:27:10,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 07:27:10,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 07:27:10,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 07:27:10,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 07:27:10,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 07:27:10,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 07:27:10,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 07:27:10,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 07:27:10,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 07:27:10,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 07:27:10,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 07:27:10,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 07:27:10,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 07:27:10,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 07:27:10,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 07:27:10,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 07:27:10,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 07:27:10,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 07:27:10,525 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 07:27:10,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 07:27:10,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 07:27:10,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 07:27:10,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 07:27:10,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 07:27:10,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 07:27:10,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 07:27:10,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 07:27:10,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 07:27:10,545 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-02-18 07:27:10,574 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 07:27:10,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 07:27:10,577 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 07:27:10,577 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 07:27:10,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 07:27:10,578 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 07:27:10,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 07:27:10,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 07:27:10,579 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 07:27:10,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 07:27:10,579 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 07:27:10,580 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 07:27:10,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 07:27:10,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 07:27:10,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 07:27:10,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-18 07:27:10,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 07:27:10,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-18 07:27:10,580 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-18 07:27:10,581 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 07:27:10,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 07:27:10,581 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 07:27:10,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-18 07:27:10,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 07:27:10,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 07:27:10,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 07:27:10,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 07:27:10,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 07:27:10,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 07:27:10,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-18 07:27:10,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 07:27:10,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 07:27:10,583 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 07:27:10,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-18 07:27:10,583 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 07:27:10,583 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 07:27:10,583 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 07:27:10,583 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12b38fa2e3d5fdbfa2e75fd7db8c6635c3a88ba468adc8c100051dd60d30a551 [2023-02-18 07:27:10,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 07:27:10,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 07:27:10,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 07:27:10,828 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 07:27:10,828 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 07:27:10,829 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Addition02.c [2023-02-18 07:27:11,874 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 07:27:12,049 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 07:27:12,050 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition02.c [2023-02-18 07:27:12,053 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7a67d735/1d6d600b57bb4af1a8328b7ad778f52c/FLAGae6fe485a [2023-02-18 07:27:12,064 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7a67d735/1d6d600b57bb4af1a8328b7ad778f52c [2023-02-18 07:27:12,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 07:27:12,067 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 07:27:12,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 07:27:12,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 07:27:12,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 07:27:12,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 07:27:12" (1/1) ... [2023-02-18 07:27:12,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@603d23ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12, skipping insertion in model container [2023-02-18 07:27:12,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 07:27:12" (1/1) ... [2023-02-18 07:27:12,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 07:27:12,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 07:27:12,173 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition02.c[1124,1137] [2023-02-18 07:27:12,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 07:27:12,183 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 07:27:12,202 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition02.c[1124,1137] [2023-02-18 07:27:12,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 07:27:12,212 INFO L208 MainTranslator]: Completed translation [2023-02-18 07:27:12,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12 WrapperNode [2023-02-18 07:27:12,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 07:27:12,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 07:27:12,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 07:27:12,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 07:27:12,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12" (1/1) ... [2023-02-18 07:27:12,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12" (1/1) ... [2023-02-18 07:27:12,235 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2023-02-18 07:27:12,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 07:27:12,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 07:27:12,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 07:27:12,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 07:27:12,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12" (1/1) ... [2023-02-18 07:27:12,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12" (1/1) ... [2023-02-18 07:27:12,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12" (1/1) ... [2023-02-18 07:27:12,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12" (1/1) ... [2023-02-18 07:27:12,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12" (1/1) ... [2023-02-18 07:27:12,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12" (1/1) ... [2023-02-18 07:27:12,302 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12" (1/1) ... [2023-02-18 07:27:12,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12" (1/1) ... [2023-02-18 07:27:12,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 07:27:12,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 07:27:12,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 07:27:12,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 07:27:12,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12" (1/1) ... [2023-02-18 07:27:12,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 07:27:12,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:27:12,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-18 07:27:12,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-18 07:27:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-18 07:27:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 07:27:12,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 07:27:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-18 07:27:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2023-02-18 07:27:12,385 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2023-02-18 07:27:12,431 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 07:27:12,432 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 07:27:12,562 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 07:27:12,566 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 07:27:12,566 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-18 07:27:12,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 07:27:12 BoogieIcfgContainer [2023-02-18 07:27:12,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 07:27:12,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 07:27:12,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 07:27:12,571 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 07:27:12,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 07:27:12" (1/3) ... [2023-02-18 07:27:12,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ed812f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 07:27:12, skipping insertion in model container [2023-02-18 07:27:12,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:27:12" (2/3) ... [2023-02-18 07:27:12,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ed812f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 07:27:12, skipping insertion in model container [2023-02-18 07:27:12,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 07:27:12" (3/3) ... [2023-02-18 07:27:12,573 INFO L112 eAbstractionObserver]: Analyzing ICFG Addition02.c [2023-02-18 07:27:12,585 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 07:27:12,600 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-02-18 07:27:12,647 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 07:27:12,665 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;@1ff3d4b6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 07:27:12,666 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-02-18 07:27:12,669 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 36 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-02-18 07:27:12,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-18 07:27:12,686 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:12,687 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:12,688 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:12,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:12,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1314326780, now seen corresponding path program 1 times [2023-02-18 07:27:12,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:12,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78653198] [2023-02-18 07:27:12,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:12,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:12,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:12,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:12,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78653198] [2023-02-18 07:27:12,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78653198] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:27:12,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:27:12,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 07:27:12,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219507026] [2023-02-18 07:27:12,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:27:12,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 07:27:12,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:12,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 07:27:12,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:27:12,909 INFO L87 Difference]: Start difference. First operand has 41 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 36 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:12,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:12,997 INFO L93 Difference]: Finished difference Result 73 states and 82 transitions. [2023-02-18 07:27:12,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 07:27:12,999 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-02-18 07:27:12,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:13,004 INFO L225 Difference]: With dead ends: 73 [2023-02-18 07:27:13,005 INFO L226 Difference]: Without dead ends: 60 [2023-02-18 07:27:13,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-18 07:27:13,009 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 55 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:13,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 126 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:27:13,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-02-18 07:27:13,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 54. [2023-02-18 07:27:13,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 37 states have (on average 1.5675675675675675) internal successors, (58), 46 states have internal predecessors, (58), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-02-18 07:27:13,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2023-02-18 07:27:13,054 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 68 transitions. Word has length 9 [2023-02-18 07:27:13,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:13,056 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 68 transitions. [2023-02-18 07:27:13,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,056 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2023-02-18 07:27:13,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-02-18 07:27:13,057 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:13,058 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:13,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-18 07:27:13,058 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:13,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:13,059 INFO L85 PathProgramCache]: Analyzing trace with hash 2089424586, now seen corresponding path program 1 times [2023-02-18 07:27:13,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:13,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822224035] [2023-02-18 07:27:13,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:13,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:13,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:13,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:13,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822224035] [2023-02-18 07:27:13,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822224035] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:27:13,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:27:13,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 07:27:13,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919172035] [2023-02-18 07:27:13,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:27:13,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 07:27:13,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:13,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 07:27:13,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:27:13,110 INFO L87 Difference]: Start difference. First operand 54 states and 68 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:13,182 INFO L93 Difference]: Finished difference Result 98 states and 126 transitions. [2023-02-18 07:27:13,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 07:27:13,184 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-02-18 07:27:13,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:13,188 INFO L225 Difference]: With dead ends: 98 [2023-02-18 07:27:13,192 INFO L226 Difference]: Without dead ends: 96 [2023-02-18 07:27:13,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-18 07:27:13,194 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 48 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:13,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 106 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 07:27:13,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-02-18 07:27:13,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 90. [2023-02-18 07:27:13,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 67 states have (on average 1.5522388059701493) internal successors, (104), 76 states have internal predecessors, (104), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-02-18 07:27:13,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 122 transitions. [2023-02-18 07:27:13,211 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 122 transitions. Word has length 10 [2023-02-18 07:27:13,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:13,212 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 122 transitions. [2023-02-18 07:27:13,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,212 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 122 transitions. [2023-02-18 07:27:13,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-18 07:27:13,214 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:13,215 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:13,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-18 07:27:13,215 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:13,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:13,217 INFO L85 PathProgramCache]: Analyzing trace with hash 347527997, now seen corresponding path program 1 times [2023-02-18 07:27:13,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:13,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949374009] [2023-02-18 07:27:13,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:13,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:13,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:27:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:13,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:13,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:13,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949374009] [2023-02-18 07:27:13,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949374009] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:27:13,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:27:13,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 07:27:13,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775071272] [2023-02-18 07:27:13,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:27:13,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 07:27:13,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:13,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 07:27:13,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 07:27:13,264 INFO L87 Difference]: Start difference. First operand 90 states and 122 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-18 07:27:13,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:13,278 INFO L93 Difference]: Finished difference Result 90 states and 122 transitions. [2023-02-18 07:27:13,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 07:27:13,279 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-02-18 07:27:13,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:13,280 INFO L225 Difference]: With dead ends: 90 [2023-02-18 07:27:13,280 INFO L226 Difference]: Without dead ends: 89 [2023-02-18 07:27:13,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:27:13,281 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 6 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:13,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 99 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:27:13,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-02-18 07:27:13,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-02-18 07:27:13,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 67 states have (on average 1.537313432835821) internal successors, (103), 75 states have internal predecessors, (103), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-02-18 07:27:13,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 121 transitions. [2023-02-18 07:27:13,290 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 121 transitions. Word has length 11 [2023-02-18 07:27:13,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:13,290 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 121 transitions. [2023-02-18 07:27:13,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-18 07:27:13,291 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 121 transitions. [2023-02-18 07:27:13,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-18 07:27:13,291 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:13,291 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:13,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-18 07:27:13,291 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:13,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:13,292 INFO L85 PathProgramCache]: Analyzing trace with hash 347652798, now seen corresponding path program 1 times [2023-02-18 07:27:13,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:13,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777281047] [2023-02-18 07:27:13,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:13,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:13,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:13,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:13,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777281047] [2023-02-18 07:27:13,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777281047] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:27:13,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:27:13,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-18 07:27:13,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652944764] [2023-02-18 07:27:13,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:27:13,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-18 07:27:13,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:13,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-18 07:27:13,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-18 07:27:13,316 INFO L87 Difference]: Start difference. First operand 89 states and 121 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:13,337 INFO L93 Difference]: Finished difference Result 97 states and 134 transitions. [2023-02-18 07:27:13,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-18 07:27:13,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-02-18 07:27:13,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:13,340 INFO L225 Difference]: With dead ends: 97 [2023-02-18 07:27:13,340 INFO L226 Difference]: Without dead ends: 96 [2023-02-18 07:27:13,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-18 07:27:13,341 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 7 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:13,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 54 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:27:13,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-02-18 07:27:13,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 88. [2023-02-18 07:27:13,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 67 states have (on average 1.4776119402985075) internal successors, (99), 74 states have internal predecessors, (99), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-02-18 07:27:13,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 117 transitions. [2023-02-18 07:27:13,356 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 117 transitions. Word has length 11 [2023-02-18 07:27:13,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:13,357 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 117 transitions. [2023-02-18 07:27:13,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,357 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2023-02-18 07:27:13,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-18 07:27:13,358 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:13,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:13,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-18 07:27:13,358 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:13,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:13,359 INFO L85 PathProgramCache]: Analyzing trace with hash -2111533933, now seen corresponding path program 1 times [2023-02-18 07:27:13,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:13,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076697006] [2023-02-18 07:27:13,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:13,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:13,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:27:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:13,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:13,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:13,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076697006] [2023-02-18 07:27:13,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076697006] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:27:13,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:27:13,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 07:27:13,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831283815] [2023-02-18 07:27:13,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:27:13,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 07:27:13,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:13,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 07:27:13,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 07:27:13,409 INFO L87 Difference]: Start difference. First operand 88 states and 117 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-18 07:27:13,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:13,421 INFO L93 Difference]: Finished difference Result 88 states and 117 transitions. [2023-02-18 07:27:13,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 07:27:13,421 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-02-18 07:27:13,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:13,422 INFO L225 Difference]: With dead ends: 88 [2023-02-18 07:27:13,422 INFO L226 Difference]: Without dead ends: 68 [2023-02-18 07:27:13,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:27:13,423 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 3 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:13,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 96 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:27:13,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-02-18 07:27:13,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 54. [2023-02-18 07:27:13,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 49 states have internal predecessors, (59), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions. [2023-02-18 07:27:13,433 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 12 [2023-02-18 07:27:13,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:13,433 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions. [2023-02-18 07:27:13,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-18 07:27:13,433 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2023-02-18 07:27:13,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-18 07:27:13,434 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:13,434 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:13,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-18 07:27:13,434 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:13,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:13,435 INFO L85 PathProgramCache]: Analyzing trace with hash -2107665076, now seen corresponding path program 1 times [2023-02-18 07:27:13,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:13,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826790042] [2023-02-18 07:27:13,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:13,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:13,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:13,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:13,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:13,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826790042] [2023-02-18 07:27:13,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826790042] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:27:13,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:27:13,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 07:27:13,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390293259] [2023-02-18 07:27:13,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:27:13,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 07:27:13,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:13,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 07:27:13,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:27:13,528 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:13,600 INFO L93 Difference]: Finished difference Result 67 states and 77 transitions. [2023-02-18 07:27:13,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 07:27:13,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-02-18 07:27:13,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:13,601 INFO L225 Difference]: With dead ends: 67 [2023-02-18 07:27:13,601 INFO L226 Difference]: Without dead ends: 66 [2023-02-18 07:27:13,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-18 07:27:13,603 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 37 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:13,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 49 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:27:13,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-02-18 07:27:13,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 54. [2023-02-18 07:27:13,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 42 states have (on average 1.380952380952381) internal successors, (58), 49 states have internal predecessors, (58), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 63 transitions. [2023-02-18 07:27:13,623 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 63 transitions. Word has length 12 [2023-02-18 07:27:13,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:13,624 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 63 transitions. [2023-02-18 07:27:13,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,624 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2023-02-18 07:27:13,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-18 07:27:13,625 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:13,625 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:13,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-18 07:27:13,625 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:13,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:13,626 INFO L85 PathProgramCache]: Analyzing trace with hash -2097136937, now seen corresponding path program 1 times [2023-02-18 07:27:13,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:13,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029260444] [2023-02-18 07:27:13,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:13,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:13,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:13,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:13,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029260444] [2023-02-18 07:27:13,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029260444] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:27:13,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:27:13,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 07:27:13,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243306928] [2023-02-18 07:27:13,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:27:13,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 07:27:13,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:13,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 07:27:13,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:27:13,668 INFO L87 Difference]: Start difference. First operand 54 states and 63 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:13,699 INFO L93 Difference]: Finished difference Result 65 states and 70 transitions. [2023-02-18 07:27:13,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 07:27:13,699 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-02-18 07:27:13,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:13,700 INFO L225 Difference]: With dead ends: 65 [2023-02-18 07:27:13,700 INFO L226 Difference]: Without dead ends: 64 [2023-02-18 07:27:13,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-18 07:27:13,701 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 35 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:13,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 51 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:27:13,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-02-18 07:27:13,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 54. [2023-02-18 07:27:13,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 49 states have internal predecessors, (57), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2023-02-18 07:27:13,705 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 12 [2023-02-18 07:27:13,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:13,706 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2023-02-18 07:27:13,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,706 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2023-02-18 07:27:13,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-02-18 07:27:13,707 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:13,707 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:13,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-18 07:27:13,709 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting additionErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:13,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:13,709 INFO L85 PathProgramCache]: Analyzing trace with hash -586735519, now seen corresponding path program 1 times [2023-02-18 07:27:13,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:13,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944878654] [2023-02-18 07:27:13,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:13,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:13,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:13,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:13,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944878654] [2023-02-18 07:27:13,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944878654] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:27:13,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:27:13,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-18 07:27:13,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509177902] [2023-02-18 07:27:13,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:27:13,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-18 07:27:13,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:13,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-18 07:27:13,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-18 07:27:13,725 INFO L87 Difference]: Start difference. First operand 54 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:13,736 INFO L93 Difference]: Finished difference Result 54 states and 62 transitions. [2023-02-18 07:27:13,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-18 07:27:13,736 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-02-18 07:27:13,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:13,737 INFO L225 Difference]: With dead ends: 54 [2023-02-18 07:27:13,737 INFO L226 Difference]: Without dead ends: 53 [2023-02-18 07:27:13,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-18 07:27:13,738 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 4 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:13,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 31 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:27:13,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-02-18 07:27:13,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-02-18 07:27:13,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 48 states have internal predecessors, (55), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2023-02-18 07:27:13,742 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 13 [2023-02-18 07:27:13,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:13,742 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2023-02-18 07:27:13,743 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:13,743 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2023-02-18 07:27:13,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-18 07:27:13,743 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:13,743 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:13,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-18 07:27:13,744 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:13,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:13,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1500437933, now seen corresponding path program 1 times [2023-02-18 07:27:13,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:13,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638365019] [2023-02-18 07:27:13,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:13,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:13,794 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:13,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:13,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638365019] [2023-02-18 07:27:13,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638365019] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:27:13,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76679583] [2023-02-18 07:27:13,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:13,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:27:13,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:27:13,833 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) [2023-02-18 07:27:13,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-18 07:27:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:13,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-18 07:27:13,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:27:13,901 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:13,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:27:13,935 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:13,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76679583] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:27:13,936 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:27:13,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-02-18 07:27:13,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964488882] [2023-02-18 07:27:13,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:27:13,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-18 07:27:13,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:13,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-18 07:27:13,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-02-18 07:27:13,938 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:14,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:14,029 INFO L93 Difference]: Finished difference Result 160 states and 183 transitions. [2023-02-18 07:27:14,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-02-18 07:27:14,030 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-02-18 07:27:14,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:14,031 INFO L225 Difference]: With dead ends: 160 [2023-02-18 07:27:14,031 INFO L226 Difference]: Without dead ends: 158 [2023-02-18 07:27:14,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2023-02-18 07:27:14,035 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 170 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:14,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 153 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 07:27:14,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-02-18 07:27:14,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 120. [2023-02-18 07:27:14,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 101 states have (on average 1.297029702970297) internal successors, (131), 108 states have internal predecessors, (131), 13 states have call successors, (13), 11 states have call predecessors, (13), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:14,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 144 transitions. [2023-02-18 07:27:14,057 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 144 transitions. Word has length 18 [2023-02-18 07:27:14,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:14,057 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 144 transitions. [2023-02-18 07:27:14,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:14,057 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 144 transitions. [2023-02-18 07:27:14,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-18 07:27:14,058 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:14,058 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:14,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-18 07:27:14,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:27:14,264 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:14,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:14,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1969595078, now seen corresponding path program 1 times [2023-02-18 07:27:14,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:14,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333260651] [2023-02-18 07:27:14,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:14,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:14,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:14,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:14,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333260651] [2023-02-18 07:27:14,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333260651] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:27:14,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:27:14,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-18 07:27:14,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282217414] [2023-02-18 07:27:14,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:27:14,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 07:27:14,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:14,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 07:27:14,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:27:14,335 INFO L87 Difference]: Start difference. First operand 120 states and 144 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:14,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:14,361 INFO L93 Difference]: Finished difference Result 181 states and 221 transitions. [2023-02-18 07:27:14,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 07:27:14,361 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-02-18 07:27:14,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:14,362 INFO L225 Difference]: With dead ends: 181 [2023-02-18 07:27:14,362 INFO L226 Difference]: Without dead ends: 109 [2023-02-18 07:27:14,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-18 07:27:14,363 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 20 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:14,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 60 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:27:14,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-02-18 07:27:14,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2023-02-18 07:27:14,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 91 states have (on average 1.2967032967032968) internal successors, (118), 98 states have internal predecessors, (118), 12 states have call successors, (12), 10 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:14,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 130 transitions. [2023-02-18 07:27:14,368 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 130 transitions. Word has length 18 [2023-02-18 07:27:14,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:14,368 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 130 transitions. [2023-02-18 07:27:14,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:14,369 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2023-02-18 07:27:14,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-02-18 07:27:14,369 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:14,369 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:14,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-02-18 07:27:14,370 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:14,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:14,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1177627398, now seen corresponding path program 1 times [2023-02-18 07:27:14,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:14,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881926661] [2023-02-18 07:27:14,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:14,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:14,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:14,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:14,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881926661] [2023-02-18 07:27:14,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881926661] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:27:14,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:27:14,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 07:27:14,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765662115] [2023-02-18 07:27:14,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:27:14,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 07:27:14,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:14,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 07:27:14,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:27:14,394 INFO L87 Difference]: Start difference. First operand 109 states and 130 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:14,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:14,410 INFO L93 Difference]: Finished difference Result 110 states and 130 transitions. [2023-02-18 07:27:14,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 07:27:14,410 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2023-02-18 07:27:14,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:14,411 INFO L225 Difference]: With dead ends: 110 [2023-02-18 07:27:14,411 INFO L226 Difference]: Without dead ends: 43 [2023-02-18 07:27:14,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-02-18 07:27:14,412 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 10 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:14,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 28 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:27:14,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-02-18 07:27:14,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-02-18 07:27:14,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 37 states have (on average 1.027027027027027) internal successors, (38), 37 states have internal predecessors, (38), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:14,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2023-02-18 07:27:14,415 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 20 [2023-02-18 07:27:14,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:14,415 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2023-02-18 07:27:14,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:14,416 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2023-02-18 07:27:14,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-02-18 07:27:14,416 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:14,417 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:14,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-02-18 07:27:14,417 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:14,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:14,417 INFO L85 PathProgramCache]: Analyzing trace with hash -111427498, now seen corresponding path program 2 times [2023-02-18 07:27:14,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:14,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845906225] [2023-02-18 07:27:14,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:14,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:14,536 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:14,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:14,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845906225] [2023-02-18 07:27:14,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845906225] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:27:14,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014318762] [2023-02-18 07:27:14,537 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-18 07:27:14,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:27:14,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:27:14,540 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) [2023-02-18 07:27:14,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-18 07:27:14,581 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-18 07:27:14,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:27:14,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-18 07:27:14,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:27:14,616 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:14,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:27:14,719 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:14,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014318762] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:27:14,720 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:27:14,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2023-02-18 07:27:14,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287231531] [2023-02-18 07:27:14,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:27:14,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-18 07:27:14,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:14,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-18 07:27:14,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2023-02-18 07:27:14,722 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand has 24 states, 23 states have (on average 3.130434782608696) internal successors, (72), 14 states have internal predecessors, (72), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:14,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:14,882 INFO L93 Difference]: Finished difference Result 95 states and 100 transitions. [2023-02-18 07:27:14,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-02-18 07:27:14,883 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 3.130434782608696) internal successors, (72), 14 states have internal predecessors, (72), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2023-02-18 07:27:14,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:14,884 INFO L225 Difference]: With dead ends: 95 [2023-02-18 07:27:14,884 INFO L226 Difference]: Without dead ends: 94 [2023-02-18 07:27:14,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 67 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2023-02-18 07:27:14,885 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 141 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:14,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 129 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 07:27:14,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-02-18 07:27:14,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 91. [2023-02-18 07:27:14,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 79 states have (on average 1.0126582278481013) internal successors, (80), 79 states have internal predecessors, (80), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:14,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2023-02-18 07:27:14,894 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 91 transitions. Word has length 42 [2023-02-18 07:27:14,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:14,895 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 91 transitions. [2023-02-18 07:27:14,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 3.130434782608696) internal successors, (72), 14 states have internal predecessors, (72), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:14,895 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2023-02-18 07:27:14,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-02-18 07:27:14,899 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:14,899 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:14,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-18 07:27:15,104 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,SelfDestructingSolverStorable11 [2023-02-18 07:27:15,105 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:15,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:15,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1088226472, now seen corresponding path program 3 times [2023-02-18 07:27:15,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:15,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316601058] [2023-02-18 07:27:15,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:15,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:15,431 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:15,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:15,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316601058] [2023-02-18 07:27:15,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316601058] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:27:15,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005770905] [2023-02-18 07:27:15,432 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-18 07:27:15,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:27:15,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:27:15,433 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) [2023-02-18 07:27:15,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-18 07:27:15,494 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-18 07:27:15,494 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:27:15,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 24 conjunts are in the unsatisfiable core [2023-02-18 07:27:15,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:27:15,613 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:15,614 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:27:15,949 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:15,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005770905] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:27:15,950 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:27:15,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2023-02-18 07:27:15,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830092369] [2023-02-18 07:27:15,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:27:15,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-02-18 07:27:15,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:15,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-02-18 07:27:15,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=1700, Unknown=0, NotChecked=0, Total=2256 [2023-02-18 07:27:15,955 INFO L87 Difference]: Start difference. First operand 91 states and 91 transitions. Second operand has 48 states, 47 states have (on average 3.3191489361702127) internal successors, (156), 26 states have internal predecessors, (156), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:16,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:16,292 INFO L93 Difference]: Finished difference Result 191 states and 202 transitions. [2023-02-18 07:27:16,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-02-18 07:27:16,292 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 3.3191489361702127) internal successors, (156), 26 states have internal predecessors, (156), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2023-02-18 07:27:16,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:16,295 INFO L225 Difference]: With dead ends: 191 [2023-02-18 07:27:16,296 INFO L226 Difference]: Without dead ends: 190 [2023-02-18 07:27:16,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 145 SyntacticMatches, 11 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1069 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1337, Invalid=3493, Unknown=0, NotChecked=0, Total=4830 [2023-02-18 07:27:16,298 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 505 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:16,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 216 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 07:27:16,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2023-02-18 07:27:16,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 187. [2023-02-18 07:27:16,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 163 states have (on average 1.0061349693251533) internal successors, (164), 163 states have internal predecessors, (164), 23 states have call successors, (23), 23 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:16,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 187 transitions. [2023-02-18 07:27:16,307 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 187 transitions. Word has length 90 [2023-02-18 07:27:16,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:16,337 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 187 transitions. [2023-02-18 07:27:16,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 3.3191489361702127) internal successors, (156), 26 states have internal predecessors, (156), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:16,337 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 187 transitions. [2023-02-18 07:27:16,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-02-18 07:27:16,338 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:16,338 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:16,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-18 07:27:16,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:27:16,539 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:16,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:16,539 INFO L85 PathProgramCache]: Analyzing trace with hash -145127092, now seen corresponding path program 4 times [2023-02-18 07:27:16,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:16,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772991382] [2023-02-18 07:27:16,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:16,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:17,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 0 proven. 1958 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:17,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:17,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772991382] [2023-02-18 07:27:17,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772991382] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:27:17,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291657515] [2023-02-18 07:27:17,953 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-18 07:27:17,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:27:17,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:27:17,954 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) [2023-02-18 07:27:17,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-18 07:27:18,048 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-18 07:27:18,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:27:18,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 48 conjunts are in the unsatisfiable core [2023-02-18 07:27:18,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:27:18,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 0 proven. 1958 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:18,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:27:19,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 0 proven. 1958 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:19,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291657515] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:27:19,848 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:27:19,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2023-02-18 07:27:19,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519395490] [2023-02-18 07:27:19,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:27:19,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-02-18 07:27:19,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:19,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-02-18 07:27:19,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2260, Invalid=6860, Unknown=0, NotChecked=0, Total=9120 [2023-02-18 07:27:19,853 INFO L87 Difference]: Start difference. First operand 187 states and 187 transitions. Second operand has 96 states, 95 states have (on average 3.4105263157894736) internal successors, (324), 50 states have internal predecessors, (324), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:21,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:21,101 INFO L93 Difference]: Finished difference Result 383 states and 406 transitions. [2023-02-18 07:27:21,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-02-18 07:27:21,102 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 3.4105263157894736) internal successors, (324), 50 states have internal predecessors, (324), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 186 [2023-02-18 07:27:21,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:21,103 INFO L225 Difference]: With dead ends: 383 [2023-02-18 07:27:21,103 INFO L226 Difference]: Without dead ends: 382 [2023-02-18 07:27:21,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 301 SyntacticMatches, 23 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4855 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=5549, Invalid=14473, Unknown=0, NotChecked=0, Total=20022 [2023-02-18 07:27:21,109 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1009 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1009 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:21,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1009 Valid, 458 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-18 07:27:21,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2023-02-18 07:27:21,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 379. [2023-02-18 07:27:21,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 331 states have (on average 1.0030211480362539) internal successors, (332), 331 states have internal predecessors, (332), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:21,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 379 transitions. [2023-02-18 07:27:21,121 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 379 transitions. Word has length 186 [2023-02-18 07:27:21,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:21,122 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 379 transitions. [2023-02-18 07:27:21,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 3.4105263157894736) internal successors, (324), 50 states have internal predecessors, (324), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:21,122 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 379 transitions. [2023-02-18 07:27:21,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2023-02-18 07:27:21,128 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:21,128 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 46, 46, 46, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:21,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-18 07:27:21,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:27:21,345 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:21,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:21,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1897562772, now seen corresponding path program 5 times [2023-02-18 07:27:21,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:21,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826737873] [2023-02-18 07:27:21,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:21,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:25,527 INFO L134 CoverageAnalysis]: Checked inductivity of 8510 backedges. 0 proven. 8510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:25,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:25,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826737873] [2023-02-18 07:27:25,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826737873] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:27:25,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395254162] [2023-02-18 07:27:25,528 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-18 07:27:25,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:27:25,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:27:25,530 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) [2023-02-18 07:27:25,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-18 07:27:25,680 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-02-18 07:27:25,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:27:25,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 96 conjunts are in the unsatisfiable core [2023-02-18 07:27:25,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:27:26,859 INFO L134 CoverageAnalysis]: Checked inductivity of 8510 backedges. 0 proven. 8510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:26,859 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:27:32,166 INFO L134 CoverageAnalysis]: Checked inductivity of 8510 backedges. 0 proven. 8510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:32,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395254162] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:27:32,166 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:27:32,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2023-02-18 07:27:32,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101423230] [2023-02-18 07:27:32,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:27:32,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2023-02-18 07:27:32,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:27:32,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2023-02-18 07:27:32,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9124, Invalid=27548, Unknown=0, NotChecked=0, Total=36672 [2023-02-18 07:27:32,176 INFO L87 Difference]: Start difference. First operand 379 states and 379 transitions. Second operand has 192 states, 191 states have (on average 3.4554973821989527) internal successors, (660), 98 states have internal predecessors, (660), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:37,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:27:37,962 INFO L93 Difference]: Finished difference Result 767 states and 814 transitions. [2023-02-18 07:27:37,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2023-02-18 07:27:37,963 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 3.4554973821989527) internal successors, (660), 98 states have internal predecessors, (660), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 378 [2023-02-18 07:27:37,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:27:37,968 INFO L225 Difference]: With dead ends: 767 [2023-02-18 07:27:37,969 INFO L226 Difference]: Without dead ends: 766 [2023-02-18 07:27:37,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 944 GetRequests, 613 SyntacticMatches, 47 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20635 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=22613, Invalid=58897, Unknown=0, NotChecked=0, Total=81510 [2023-02-18 07:27:37,974 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 2185 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2185 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-18 07:27:37,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2185 Valid, 827 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-18 07:27:37,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2023-02-18 07:27:37,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 763. [2023-02-18 07:27:38,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 667 states have (on average 1.0014992503748126) internal successors, (668), 667 states have internal predecessors, (668), 95 states have call successors, (95), 95 states have call predecessors, (95), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:38,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 763 transitions. [2023-02-18 07:27:38,005 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 763 transitions. Word has length 378 [2023-02-18 07:27:38,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:27:38,006 INFO L495 AbstractCegarLoop]: Abstraction has 763 states and 763 transitions. [2023-02-18 07:27:38,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 3.4554973821989527) internal successors, (660), 98 states have internal predecessors, (660), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:27:38,006 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 763 transitions. [2023-02-18 07:27:38,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 763 [2023-02-18 07:27:38,016 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:27:38,017 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 94, 94, 94, 94, 1, 1, 1, 1, 1, 1] [2023-02-18 07:27:38,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-18 07:27:38,237 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,SelfDestructingSolverStorable14 [2023-02-18 07:27:38,238 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:27:38,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:27:38,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1900268252, now seen corresponding path program 6 times [2023-02-18 07:27:38,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:27:38,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391812005] [2023-02-18 07:27:38,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:27:38,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:27:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:27:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 35438 backedges. 0 proven. 35438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:54,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:27:54,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391812005] [2023-02-18 07:27:54,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391812005] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:27:54,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989512574] [2023-02-18 07:27:54,147 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-18 07:27:54,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:27:54,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:27:54,148 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) [2023-02-18 07:27:54,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-18 07:27:54,521 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2023-02-18 07:27:54,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:27:54,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 192 conjunts are in the unsatisfiable core [2023-02-18 07:27:54,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:27:58,559 INFO L134 CoverageAnalysis]: Checked inductivity of 35438 backedges. 0 proven. 35438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:27:58,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:28:14,380 INFO L134 CoverageAnalysis]: Checked inductivity of 35438 backedges. 0 proven. 35438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:28:14,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989512574] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:28:14,380 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:28:14,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [192, 192, 192] total 383 [2023-02-18 07:28:14,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530714603] [2023-02-18 07:28:14,381 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:28:14,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 384 states [2023-02-18 07:28:14,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:28:14,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 384 interpolants. [2023-02-18 07:28:14,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36676, Invalid=110396, Unknown=0, NotChecked=0, Total=147072 [2023-02-18 07:28:14,403 INFO L87 Difference]: Start difference. First operand 763 states and 763 transitions. Second operand has 384 states, 383 states have (on average 3.4778067885117494) internal successors, (1332), 194 states have internal predecessors, (1332), 190 states have call successors, (190), 190 states have call predecessors, (190), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:28:52,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:28:52,206 INFO L93 Difference]: Finished difference Result 1535 states and 1630 transitions. [2023-02-18 07:28:52,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2023-02-18 07:28:52,207 INFO L78 Accepts]: Start accepts. Automaton has has 384 states, 383 states have (on average 3.4778067885117494) internal successors, (1332), 194 states have internal predecessors, (1332), 190 states have call successors, (190), 190 states have call predecessors, (190), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 762 [2023-02-18 07:28:52,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:28:52,211 INFO L225 Difference]: With dead ends: 1535 [2023-02-18 07:28:52,212 INFO L226 Difference]: Without dead ends: 1534 [2023-02-18 07:28:52,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1904 GetRequests, 1237 SyntacticMatches, 95 SemanticMatches, 572 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85027 ImplicationChecksByTransitivity, 39.1s TimeCoverageRelationStatistics Valid=91301, Invalid=237601, Unknown=0, NotChecked=0, Total=328902 [2023-02-18 07:28:52,227 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 7281 mSDsluCounter, 1570 mSDsCounter, 0 mSdLazyCounter, 1354 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7281 SdHoareTripleChecker+Valid, 1581 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-02-18 07:28:52,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7281 Valid, 1581 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1354 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-02-18 07:28:52,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2023-02-18 07:28:52,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1531. [2023-02-18 07:28:52,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1531 states, 1339 states have (on average 1.0007468259895445) internal successors, (1340), 1339 states have internal predecessors, (1340), 191 states have call successors, (191), 191 states have call predecessors, (191), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:28:52,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 1531 transitions. [2023-02-18 07:28:52,262 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 1531 transitions. Word has length 762 [2023-02-18 07:28:52,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:28:52,263 INFO L495 AbstractCegarLoop]: Abstraction has 1531 states and 1531 transitions. [2023-02-18 07:28:52,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 384 states, 383 states have (on average 3.4778067885117494) internal successors, (1332), 194 states have internal predecessors, (1332), 190 states have call successors, (190), 190 states have call predecessors, (190), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:28:52,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1531 transitions. [2023-02-18 07:28:52,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1531 [2023-02-18 07:28:52,308 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:28:52,308 INFO L195 NwaCegarLoop]: trace histogram [191, 191, 191, 191, 190, 190, 190, 190, 1, 1, 1, 1, 1, 1] [2023-02-18 07:28:52,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-18 07:28:52,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-02-18 07:28:52,516 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:28:52,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:28:52,516 INFO L85 PathProgramCache]: Analyzing trace with hash 712940100, now seen corresponding path program 7 times [2023-02-18 07:28:52,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:28:52,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004463584] [2023-02-18 07:28:52,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:52,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:28:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:30:15,241 INFO L134 CoverageAnalysis]: Checked inductivity of 144590 backedges. 0 proven. 144590 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:30:15,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:30:15,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004463584] [2023-02-18 07:30:15,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004463584] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:30:15,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857768160] [2023-02-18 07:30:15,242 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-02-18 07:30:15,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:30:15,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:30:15,245 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) [2023-02-18 07:30:15,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-18 07:30:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:30:15,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 3089 conjuncts, 384 conjunts are in the unsatisfiable core [2023-02-18 07:30:15,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:30:29,402 INFO L134 CoverageAnalysis]: Checked inductivity of 144590 backedges. 0 proven. 144590 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:30:29,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:31:27,786 INFO L134 CoverageAnalysis]: Checked inductivity of 144590 backedges. 0 proven. 144590 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:31:27,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857768160] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:31:27,786 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:31:27,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [384, 384, 384] total 767 [2023-02-18 07:31:27,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901273157] [2023-02-18 07:31:27,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:31:27,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 768 states [2023-02-18 07:31:27,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:31:27,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 768 interpolants. [2023-02-18 07:31:27,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147076, Invalid=441980, Unknown=0, NotChecked=0, Total=589056 [2023-02-18 07:31:27,837 INFO L87 Difference]: Start difference. First operand 1531 states and 1531 transitions. Second operand has 768 states, 767 states have (on average 3.4889178617992176) internal successors, (2676), 386 states have internal predecessors, (2676), 382 states have call successors, (382), 382 states have call predecessors, (382), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:38:23,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:38:23,172 INFO L93 Difference]: Finished difference Result 3071 states and 3262 transitions. [2023-02-18 07:38:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 768 states. [2023-02-18 07:38:23,174 INFO L78 Accepts]: Start accepts. Automaton has has 768 states, 767 states have (on average 3.4889178617992176) internal successors, (2676), 386 states have internal predecessors, (2676), 382 states have call successors, (382), 382 states have call predecessors, (382), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1530 [2023-02-18 07:38:23,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:38:23,183 INFO L225 Difference]: With dead ends: 3071 [2023-02-18 07:38:23,184 INFO L226 Difference]: Without dead ends: 3070 [2023-02-18 07:38:23,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3824 GetRequests, 2485 SyntacticMatches, 191 SemanticMatches, 1148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345139 ImplicationChecksByTransitivity, 147.8s TimeCoverageRelationStatistics Valid=366917, Invalid=954433, Unknown=0, NotChecked=0, Total=1321350 [2023-02-18 07:38:23,273 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 14918 mSDsluCounter, 3121 mSDsCounter, 0 mSdLazyCounter, 2707 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14918 SdHoareTripleChecker+Valid, 3132 SdHoareTripleChecker+Invalid, 2709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-02-18 07:38:23,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14918 Valid, 3132 Invalid, 2709 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2707 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-02-18 07:38:23,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3070 states. [2023-02-18 07:38:23,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3070 to 3067. [2023-02-18 07:38:23,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3067 states, 2683 states have (on average 1.0003727171077152) internal successors, (2684), 2683 states have internal predecessors, (2684), 383 states have call successors, (383), 383 states have call predecessors, (383), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:38:23,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3067 states to 3067 states and 3067 transitions. [2023-02-18 07:38:23,363 INFO L78 Accepts]: Start accepts. Automaton has 3067 states and 3067 transitions. Word has length 1530 [2023-02-18 07:38:23,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:38:23,365 INFO L495 AbstractCegarLoop]: Abstraction has 3067 states and 3067 transitions. [2023-02-18 07:38:23,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 768 states, 767 states have (on average 3.4889178617992176) internal successors, (2676), 386 states have internal predecessors, (2676), 382 states have call successors, (382), 382 states have call predecessors, (382), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 07:38:23,367 INFO L276 IsEmpty]: Start isEmpty. Operand 3067 states and 3067 transitions. [2023-02-18 07:38:23,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3067 [2023-02-18 07:38:23,409 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:38:23,409 INFO L195 NwaCegarLoop]: trace histogram [383, 383, 383, 383, 382, 382, 382, 382, 1, 1, 1, 1, 1, 1] [2023-02-18 07:38:23,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-18 07:38:23,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:38:23,619 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-18 07:38:23,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:38:23,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1543543676, now seen corresponding path program 8 times [2023-02-18 07:38:23,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:38:23,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574123430] [2023-02-18 07:38:23,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:38:23,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:38:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat