./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/byte_add_1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a31fd051 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/bitvector/byte_add_1-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db53fe9124e215e75c7f288cadf12df33daef67c04c75ea6ca77bc804670a99c --- Real Ultimate output --- This is Ultimate 0.2.2-?-a31fd05 [2023-02-15 13:43:30,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 13:43:30,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 13:43:30,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 13:43:30,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 13:43:30,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 13:43:30,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 13:43:30,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 13:43:30,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 13:43:30,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 13:43:30,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 13:43:30,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 13:43:30,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 13:43:30,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 13:43:30,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 13:43:30,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 13:43:30,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 13:43:30,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 13:43:30,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 13:43:30,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 13:43:30,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 13:43:30,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 13:43:30,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 13:43:30,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 13:43:30,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 13:43:30,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 13:43:30,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 13:43:30,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 13:43:30,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 13:43:30,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 13:43:30,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 13:43:30,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 13:43:30,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 13:43:30,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 13:43:30,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 13:43:30,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 13:43:30,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 13:43:30,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 13:43:30,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 13:43:30,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 13:43:30,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 13:43:30,760 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-02-15 13:43:30,776 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 13:43:30,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 13:43:30,776 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 13:43:30,777 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 13:43:30,777 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 13:43:30,777 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 13:43:30,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 13:43:30,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 13:43:30,779 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 13:43:30,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 13:43:30,780 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 13:43:30,780 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 13:43:30,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 13:43:30,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 13:43:30,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 13:43:30,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 13:43:30,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 13:43:30,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 13:43:30,782 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-15 13:43:30,783 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 13:43:30,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 13:43:30,786 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 13:43:30,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 13:43:30,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 13:43:30,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 13:43:30,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 13:43:30,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 13:43:30,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 13:43:30,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 13:43:30,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 13:43:30,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 13:43:30,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 13:43:30,788 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 13:43:30,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 13:43:30,788 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 13:43:30,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 13:43:30,788 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 13:43:30,789 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db53fe9124e215e75c7f288cadf12df33daef67c04c75ea6ca77bc804670a99c [2023-02-15 13:43:30,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 13:43:30,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 13:43:30,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 13:43:30,981 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 13:43:30,982 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 13:43:30,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/byte_add_1-2.i [2023-02-15 13:43:31,965 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 13:43:32,095 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 13:43:32,096 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/byte_add_1-2.i [2023-02-15 13:43:32,102 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19f9a946b/bc67180629fb4757ae570847e491957b/FLAG23965808a [2023-02-15 13:43:32,112 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19f9a946b/bc67180629fb4757ae570847e491957b [2023-02-15 13:43:32,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 13:43:32,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 13:43:32,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 13:43:32,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 13:43:32,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 13:43:32,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:43:32" (1/1) ... [2023-02-15 13:43:32,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d42674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:32, skipping insertion in model container [2023-02-15 13:43:32,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:43:32" (1/1) ... [2023-02-15 13:43:32,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 13:43:32,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 13:43:32,226 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/bitvector/byte_add_1-2.i[1168,1181] [2023-02-15 13:43:32,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 13:43:32,272 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 13:43:32,280 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/bitvector/byte_add_1-2.i[1168,1181] [2023-02-15 13:43:32,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 13:43:32,301 INFO L208 MainTranslator]: Completed translation [2023-02-15 13:43:32,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:32 WrapperNode [2023-02-15 13:43:32,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 13:43:32,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 13:43:32,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 13:43:32,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 13:43:32,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:32" (1/1) ... [2023-02-15 13:43:32,315 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:32" (1/1) ... [2023-02-15 13:43:32,337 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 182 [2023-02-15 13:43:32,337 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 13:43:32,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 13:43:32,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 13:43:32,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 13:43:32,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:32" (1/1) ... [2023-02-15 13:43:32,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:32" (1/1) ... [2023-02-15 13:43:32,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:32" (1/1) ... [2023-02-15 13:43:32,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:32" (1/1) ... [2023-02-15 13:43:32,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:32" (1/1) ... [2023-02-15 13:43:32,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:32" (1/1) ... [2023-02-15 13:43:32,359 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:32" (1/1) ... [2023-02-15 13:43:32,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:32" (1/1) ... [2023-02-15 13:43:32,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 13:43:32,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 13:43:32,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 13:43:32,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 13:43:32,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:32" (1/1) ... [2023-02-15 13:43:32,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 13:43:32,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 13:43:32,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-15 13:43:32,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-15 13:43:32,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 13:43:32,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-15 13:43:32,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 13:43:32,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 13:43:32,483 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 13:43:32,484 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 13:43:32,838 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 13:43:32,843 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 13:43:32,844 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-15 13:43:32,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:43:32 BoogieIcfgContainer [2023-02-15 13:43:32,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 13:43:32,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 13:43:32,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 13:43:32,849 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 13:43:32,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 01:43:32" (1/3) ... [2023-02-15 13:43:32,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792852ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 01:43:32, skipping insertion in model container [2023-02-15 13:43:32,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:43:32" (2/3) ... [2023-02-15 13:43:32,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792852ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 01:43:32, skipping insertion in model container [2023-02-15 13:43:32,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:43:32" (3/3) ... [2023-02-15 13:43:32,851 INFO L112 eAbstractionObserver]: Analyzing ICFG byte_add_1-2.i [2023-02-15 13:43:32,862 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 13:43:32,862 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2023-02-15 13:43:32,895 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 13:43:32,899 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;@4f5aab8a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 13:43:32,899 INFO L358 AbstractCegarLoop]: Starting to check reachability of 41 error locations. [2023-02-15 13:43:32,902 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 84 states have (on average 1.8928571428571428) internal successors, (159), 125 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:32,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-02-15 13:43:32,906 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:43:32,906 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-02-15 13:43:32,907 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-02-15 13:43:32,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:43:32,910 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2023-02-15 13:43:32,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:43:32,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444728704] [2023-02-15 13:43:32,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:43:32,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:43:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:43:33,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:43:33,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:43:33,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444728704] [2023-02-15 13:43:33,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444728704] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 13:43:33,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 13:43:33,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-02-15 13:43:33,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168557838] [2023-02-15 13:43:33,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 13:43:33,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-15 13:43:33,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:43:33,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-15 13:43:33,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-15 13:43:33,077 INFO L87 Difference]: Start difference. First operand has 126 states, 84 states have (on average 1.8928571428571428) internal successors, (159), 125 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:33,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:43:33,104 INFO L93 Difference]: Finished difference Result 153 states and 204 transitions. [2023-02-15 13:43:33,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-15 13:43:33,106 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-02-15 13:43:33,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:43:33,112 INFO L225 Difference]: With dead ends: 153 [2023-02-15 13:43:33,112 INFO L226 Difference]: Without dead ends: 76 [2023-02-15 13:43:33,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-15 13:43:33,120 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 13:43:33,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 13:43:33,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-02-15 13:43:33,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-02-15 13:43:33,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 75 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:33,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 104 transitions. [2023-02-15 13:43:33,152 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 104 transitions. Word has length 4 [2023-02-15 13:43:33,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:43:33,152 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 104 transitions. [2023-02-15 13:43:33,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:33,154 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2023-02-15 13:43:33,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-02-15 13:43:33,155 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:43:33,155 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 13:43:33,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 13:43:33,156 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-02-15 13:43:33,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:43:33,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1140047638, now seen corresponding path program 1 times [2023-02-15 13:43:33,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:43:33,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261750731] [2023-02-15 13:43:33,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:43:33,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:43:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:43:33,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:43:33,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:43:33,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261750731] [2023-02-15 13:43:33,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261750731] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 13:43:33,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 13:43:33,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 13:43:33,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59184339] [2023-02-15 13:43:33,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 13:43:33,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 13:43:33,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:43:33,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 13:43:33,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 13:43:33,278 INFO L87 Difference]: Start difference. First operand 76 states and 104 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:33,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:43:33,383 INFO L93 Difference]: Finished difference Result 162 states and 235 transitions. [2023-02-15 13:43:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 13:43:33,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-02-15 13:43:33,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:43:33,385 INFO L225 Difference]: With dead ends: 162 [2023-02-15 13:43:33,385 INFO L226 Difference]: Without dead ends: 108 [2023-02-15 13:43:33,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 13:43:33,386 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 35 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 13:43:33,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 139 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 13:43:33,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-02-15 13:43:33,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 104. [2023-02-15 13:43:33,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.3398058252427185) internal successors, (138), 103 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:33,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 138 transitions. [2023-02-15 13:43:33,395 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 138 transitions. Word has length 17 [2023-02-15 13:43:33,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:43:33,396 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 138 transitions. [2023-02-15 13:43:33,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:33,396 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 138 transitions. [2023-02-15 13:43:33,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-02-15 13:43:33,398 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:43:33,399 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 13:43:33,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-15 13:43:33,399 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-02-15 13:43:33,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:43:33,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1047629272, now seen corresponding path program 1 times [2023-02-15 13:43:33,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:43:33,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976681000] [2023-02-15 13:43:33,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:43:33,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:43:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:43:33,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-15 13:43:33,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:43:33,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976681000] [2023-02-15 13:43:33,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976681000] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 13:43:33,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 13:43:33,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 13:43:33,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634199541] [2023-02-15 13:43:33,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 13:43:33,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 13:43:33,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:43:33,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 13:43:33,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 13:43:33,599 INFO L87 Difference]: Start difference. First operand 104 states and 138 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:33,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:43:33,809 INFO L93 Difference]: Finished difference Result 251 states and 338 transitions. [2023-02-15 13:43:33,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 13:43:33,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2023-02-15 13:43:33,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:43:33,811 INFO L225 Difference]: With dead ends: 251 [2023-02-15 13:43:33,813 INFO L226 Difference]: Without dead ends: 184 [2023-02-15 13:43:33,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 13:43:33,815 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 136 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 13:43:33,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 326 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 13:43:33,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-02-15 13:43:33,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 114. [2023-02-15 13:43:33,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 113 states have (on average 1.3185840707964602) internal successors, (149), 113 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:33,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 149 transitions. [2023-02-15 13:43:33,826 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 149 transitions. Word has length 24 [2023-02-15 13:43:33,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:43:33,827 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 149 transitions. [2023-02-15 13:43:33,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:33,827 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 149 transitions. [2023-02-15 13:43:33,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-02-15 13:43:33,828 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:43:33,828 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 13:43:33,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-15 13:43:33,828 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-02-15 13:43:33,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:43:33,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1448694967, now seen corresponding path program 1 times [2023-02-15 13:43:33,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:43:33,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034095978] [2023-02-15 13:43:33,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:43:33,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:43:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:43:33,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-15 13:43:33,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:43:33,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034095978] [2023-02-15 13:43:33,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034095978] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 13:43:33,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 13:43:33,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 13:43:33,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055383017] [2023-02-15 13:43:33,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 13:43:33,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 13:43:33,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:43:33,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 13:43:33,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 13:43:33,938 INFO L87 Difference]: Start difference. First operand 114 states and 149 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:34,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:43:34,090 INFO L93 Difference]: Finished difference Result 289 states and 382 transitions. [2023-02-15 13:43:34,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 13:43:34,091 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2023-02-15 13:43:34,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:43:34,095 INFO L225 Difference]: With dead ends: 289 [2023-02-15 13:43:34,095 INFO L226 Difference]: Without dead ends: 214 [2023-02-15 13:43:34,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 13:43:34,097 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 144 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 13:43:34,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 336 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 13:43:34,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2023-02-15 13:43:34,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 130. [2023-02-15 13:43:34,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 129 states have (on average 1.302325581395349) internal successors, (168), 129 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:34,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 168 transitions. [2023-02-15 13:43:34,116 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 168 transitions. Word has length 27 [2023-02-15 13:43:34,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:43:34,116 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 168 transitions. [2023-02-15 13:43:34,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:34,116 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 168 transitions. [2023-02-15 13:43:34,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-02-15 13:43:34,118 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:43:34,118 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 13:43:34,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-15 13:43:34,119 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-02-15 13:43:34,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:43:34,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1833052269, now seen corresponding path program 1 times [2023-02-15 13:43:34,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:43:34,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044326422] [2023-02-15 13:43:34,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:43:34,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:43:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:43:34,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-15 13:43:34,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:43:34,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044326422] [2023-02-15 13:43:34,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044326422] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 13:43:34,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 13:43:34,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 13:43:34,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569677628] [2023-02-15 13:43:34,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 13:43:34,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 13:43:34,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:43:34,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 13:43:34,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 13:43:34,252 INFO L87 Difference]: Start difference. First operand 130 states and 168 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:34,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:43:34,260 INFO L93 Difference]: Finished difference Result 212 states and 276 transitions. [2023-02-15 13:43:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 13:43:34,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2023-02-15 13:43:34,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:43:34,261 INFO L225 Difference]: With dead ends: 212 [2023-02-15 13:43:34,262 INFO L226 Difference]: Without dead ends: 101 [2023-02-15 13:43:34,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 13:43:34,264 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 91 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 13:43:34,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 92 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 13:43:34,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-02-15 13:43:34,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-02-15 13:43:34,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 100 states have (on average 1.3) internal successors, (130), 100 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:34,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 130 transitions. [2023-02-15 13:43:34,285 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 130 transitions. Word has length 30 [2023-02-15 13:43:34,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:43:34,285 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 130 transitions. [2023-02-15 13:43:34,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:34,285 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 130 transitions. [2023-02-15 13:43:34,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-02-15 13:43:34,286 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:43:34,286 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 13:43:34,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-15 13:43:34,287 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-02-15 13:43:34,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:43:34,287 INFO L85 PathProgramCache]: Analyzing trace with hash -884064914, now seen corresponding path program 1 times [2023-02-15 13:43:34,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:43:34,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320102813] [2023-02-15 13:43:34,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:43:34,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:43:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:43:34,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:43:34,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:43:34,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320102813] [2023-02-15 13:43:34,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320102813] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 13:43:34,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851067849] [2023-02-15 13:43:34,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:43:34,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 13:43:34,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 13:43:34,362 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 13:43:34,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-15 13:43:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:43:34,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 13:43:34,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 13:43:34,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:43:34,532 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 13:43:34,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851067849] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 13:43:34,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-15 13:43:34,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2023-02-15 13:43:34,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847184425] [2023-02-15 13:43:34,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 13:43:34,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 13:43:34,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:43:34,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 13:43:34,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-02-15 13:43:34,534 INFO L87 Difference]: Start difference. First operand 101 states and 130 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:34,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:43:34,652 INFO L93 Difference]: Finished difference Result 210 states and 302 transitions. [2023-02-15 13:43:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 13:43:34,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2023-02-15 13:43:34,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:43:34,653 INFO L225 Difference]: With dead ends: 210 [2023-02-15 13:43:34,653 INFO L226 Difference]: Without dead ends: 156 [2023-02-15 13:43:34,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-02-15 13:43:34,654 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 54 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 13:43:34,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 164 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 13:43:34,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-02-15 13:43:34,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 132. [2023-02-15 13:43:34,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.2748091603053435) internal successors, (167), 131 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:34,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 167 transitions. [2023-02-15 13:43:34,666 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 167 transitions. Word has length 36 [2023-02-15 13:43:34,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:43:34,666 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 167 transitions. [2023-02-15 13:43:34,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:34,666 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 167 transitions. [2023-02-15 13:43:34,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-02-15 13:43:34,667 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:43:34,671 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 13:43:34,677 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-02-15 13:43:34,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-02-15 13:43:34,876 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-02-15 13:43:34,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:43:34,877 INFO L85 PathProgramCache]: Analyzing trace with hash -71033840, now seen corresponding path program 1 times [2023-02-15 13:43:34,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:43:34,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129444634] [2023-02-15 13:43:34,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:43:34,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:43:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:43:35,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:43:35,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:43:35,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129444634] [2023-02-15 13:43:35,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129444634] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 13:43:35,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532087102] [2023-02-15 13:43:35,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:43:35,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 13:43:35,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 13:43:35,025 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 13:43:35,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-15 13:43:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:43:35,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-15 13:43:35,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 13:43:35,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-15 13:43:35,197 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 13:43:35,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532087102] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 13:43:35,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-15 13:43:35,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2023-02-15 13:43:35,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499671177] [2023-02-15 13:43:35,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 13:43:35,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 13:43:35,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:43:35,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 13:43:35,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-02-15 13:43:35,199 INFO L87 Difference]: Start difference. First operand 132 states and 167 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:35,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:43:35,275 INFO L93 Difference]: Finished difference Result 246 states and 325 transitions. [2023-02-15 13:43:35,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 13:43:35,276 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2023-02-15 13:43:35,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:43:35,277 INFO L225 Difference]: With dead ends: 246 [2023-02-15 13:43:35,277 INFO L226 Difference]: Without dead ends: 131 [2023-02-15 13:43:35,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-02-15 13:43:35,278 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 111 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 13:43:35,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 130 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 13:43:35,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-02-15 13:43:35,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 127. [2023-02-15 13:43:35,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 126 states have (on average 1.2619047619047619) internal successors, (159), 126 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:35,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 159 transitions. [2023-02-15 13:43:35,289 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 159 transitions. Word has length 43 [2023-02-15 13:43:35,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:43:35,290 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 159 transitions. [2023-02-15 13:43:35,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:35,290 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 159 transitions. [2023-02-15 13:43:35,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-02-15 13:43:35,292 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:43:35,292 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 13:43:35,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-15 13:43:35,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-02-15 13:43:35,499 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-02-15 13:43:35,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:43:35,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1390557187, now seen corresponding path program 1 times [2023-02-15 13:43:35,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:43:35,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672937019] [2023-02-15 13:43:35,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:43:35,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:43:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:43:35,635 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:43:35,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:43:35,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672937019] [2023-02-15 13:43:35,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672937019] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 13:43:35,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705268293] [2023-02-15 13:43:35,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:43:35,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 13:43:35,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 13:43:35,649 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 13:43:35,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-15 13:43:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:43:35,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-15 13:43:35,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 13:43:35,772 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-15 13:43:35,772 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 13:43:35,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705268293] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 13:43:35,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-15 13:43:35,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2023-02-15 13:43:35,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796391119] [2023-02-15 13:43:35,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 13:43:35,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 13:43:35,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:43:35,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 13:43:35,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-02-15 13:43:35,774 INFO L87 Difference]: Start difference. First operand 127 states and 159 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:37,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-02-15 13:43:40,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-02-15 13:43:42,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-02-15 13:43:42,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:43:42,587 INFO L93 Difference]: Finished difference Result 283 states and 380 transitions. [2023-02-15 13:43:42,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 13:43:42,588 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2023-02-15 13:43:42,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:43:42,588 INFO L225 Difference]: With dead ends: 283 [2023-02-15 13:43:42,588 INFO L226 Difference]: Without dead ends: 171 [2023-02-15 13:43:42,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-02-15 13:43:42,589 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 42 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 24 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-02-15 13:43:42,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 197 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 116 Invalid, 3 Unknown, 0 Unchecked, 6.8s Time] [2023-02-15 13:43:42,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-02-15 13:43:42,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 149. [2023-02-15 13:43:42,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 148 states have (on average 1.25) internal successors, (185), 148 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:42,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 185 transitions. [2023-02-15 13:43:42,592 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 185 transitions. Word has length 52 [2023-02-15 13:43:42,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:43:42,593 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 185 transitions. [2023-02-15 13:43:42,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:42,593 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 185 transitions. [2023-02-15 13:43:42,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-02-15 13:43:42,593 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:43:42,593 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 13:43:42,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-02-15 13:43:42,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 13:43:42,797 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-02-15 13:43:42,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:43:42,797 INFO L85 PathProgramCache]: Analyzing trace with hash 360401152, now seen corresponding path program 1 times [2023-02-15 13:43:42,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:43:42,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504878789] [2023-02-15 13:43:42,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:43:42,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:43:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:43:42,970 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:43:42,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:43:42,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504878789] [2023-02-15 13:43:42,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504878789] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 13:43:42,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965647801] [2023-02-15 13:43:42,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:43:42,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 13:43:42,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 13:43:42,974 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 13:43:42,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-15 13:43:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:43:43,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-15 13:43:43,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 13:43:43,160 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-02-15 13:43:43,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 13:43:43,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965647801] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 13:43:43,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-15 13:43:43,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2023-02-15 13:43:43,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688879164] [2023-02-15 13:43:43,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 13:43:43,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 13:43:43,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:43:43,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 13:43:43,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-02-15 13:43:43,162 INFO L87 Difference]: Start difference. First operand 149 states and 185 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:43,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:43:43,369 INFO L93 Difference]: Finished difference Result 327 states and 431 transitions. [2023-02-15 13:43:43,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 13:43:43,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-02-15 13:43:43,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:43:43,371 INFO L225 Difference]: With dead ends: 327 [2023-02-15 13:43:43,371 INFO L226 Difference]: Without dead ends: 191 [2023-02-15 13:43:43,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-02-15 13:43:43,371 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 42 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 13:43:43,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 199 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 13:43:43,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2023-02-15 13:43:43,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 171. [2023-02-15 13:43:43,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 170 states have (on average 1.2411764705882353) internal successors, (211), 170 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:43,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 211 transitions. [2023-02-15 13:43:43,375 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 211 transitions. Word has length 68 [2023-02-15 13:43:43,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:43:43,375 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 211 transitions. [2023-02-15 13:43:43,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:43,375 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 211 transitions. [2023-02-15 13:43:43,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-02-15 13:43:43,376 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:43:43,376 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 13:43:43,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-15 13:43:43,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 13:43:43,580 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-02-15 13:43:43,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:43:43,581 INFO L85 PathProgramCache]: Analyzing trace with hash 629870863, now seen corresponding path program 1 times [2023-02-15 13:43:43,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:43:43,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057118104] [2023-02-15 13:43:43,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:43:43,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:43:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:43:43,733 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-02-15 13:43:43,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:43:43,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057118104] [2023-02-15 13:43:43,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057118104] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 13:43:43,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 13:43:43,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-15 13:43:43,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280568664] [2023-02-15 13:43:43,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 13:43:43,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 13:43:43,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:43:43,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 13:43:43,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-15 13:43:43,734 INFO L87 Difference]: Start difference. First operand 171 states and 211 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:44,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:43:44,115 INFO L93 Difference]: Finished difference Result 645 states and 803 transitions. [2023-02-15 13:43:44,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-15 13:43:44,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2023-02-15 13:43:44,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:43:44,117 INFO L225 Difference]: With dead ends: 645 [2023-02-15 13:43:44,117 INFO L226 Difference]: Without dead ends: 501 [2023-02-15 13:43:44,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-02-15 13:43:44,118 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 229 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-15 13:43:44,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 478 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-15 13:43:44,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2023-02-15 13:43:44,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 171. [2023-02-15 13:43:44,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 170 states have (on average 1.2411764705882353) internal successors, (211), 170 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:44,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 211 transitions. [2023-02-15 13:43:44,123 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 211 transitions. Word has length 84 [2023-02-15 13:43:44,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:43:44,123 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 211 transitions. [2023-02-15 13:43:44,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:44,123 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 211 transitions. [2023-02-15 13:43:44,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-02-15 13:43:44,124 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:43:44,124 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 13:43:44,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-02-15 13:43:44,124 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-02-15 13:43:44,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:43:44,124 INFO L85 PathProgramCache]: Analyzing trace with hash -2117430847, now seen corresponding path program 1 times [2023-02-15 13:43:44,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:43:44,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067859074] [2023-02-15 13:43:44,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:43:44,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:43:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:43:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-02-15 13:43:44,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:43:44,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067859074] [2023-02-15 13:43:44,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067859074] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 13:43:44,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 13:43:44,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-02-15 13:43:44,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530744731] [2023-02-15 13:43:44,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 13:43:44,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-15 13:43:44,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:43:44,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-15 13:43:44,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-02-15 13:43:44,290 INFO L87 Difference]: Start difference. First operand 171 states and 211 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:44,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:43:44,872 INFO L93 Difference]: Finished difference Result 815 states and 1013 transitions. [2023-02-15 13:43:44,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-15 13:43:44,873 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2023-02-15 13:43:44,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:43:44,875 INFO L225 Difference]: With dead ends: 815 [2023-02-15 13:43:44,875 INFO L226 Difference]: Without dead ends: 671 [2023-02-15 13:43:44,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-02-15 13:43:44,875 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 343 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-02-15 13:43:44,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 640 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-02-15 13:43:44,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2023-02-15 13:43:44,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 171. [2023-02-15 13:43:44,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 170 states have (on average 1.2411764705882353) internal successors, (211), 170 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:44,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 211 transitions. [2023-02-15 13:43:44,881 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 211 transitions. Word has length 87 [2023-02-15 13:43:44,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:43:44,882 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 211 transitions. [2023-02-15 13:43:44,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:44,882 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 211 transitions. [2023-02-15 13:43:44,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-02-15 13:43:44,882 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:43:44,882 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 13:43:44,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-02-15 13:43:44,882 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-02-15 13:43:44,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:43:44,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1885697052, now seen corresponding path program 1 times [2023-02-15 13:43:44,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:43:44,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773219392] [2023-02-15 13:43:44,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:43:44,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:43:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:43:45,068 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 51 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-02-15 13:43:45,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:43:45,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773219392] [2023-02-15 13:43:45,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773219392] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 13:43:45,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479975182] [2023-02-15 13:43:45,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:43:45,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 13:43:45,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 13:43:45,070 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 13:43:45,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-15 13:43:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:43:45,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 9 conjunts are in the unsatisfiable core [2023-02-15 13:43:45,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 13:43:45,326 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-02-15 13:43:45,326 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 13:43:45,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479975182] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 13:43:45,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-15 13:43:45,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2023-02-15 13:43:45,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807214542] [2023-02-15 13:43:45,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 13:43:45,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 13:43:45,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:43:45,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 13:43:45,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-02-15 13:43:45,328 INFO L87 Difference]: Start difference. First operand 171 states and 211 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:45,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:43:45,492 INFO L93 Difference]: Finished difference Result 469 states and 583 transitions. [2023-02-15 13:43:45,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 13:43:45,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2023-02-15 13:43:45,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:43:45,493 INFO L225 Difference]: With dead ends: 469 [2023-02-15 13:43:45,493 INFO L226 Difference]: Without dead ends: 325 [2023-02-15 13:43:45,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 86 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-02-15 13:43:45,494 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 68 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 13:43:45,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 227 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 13:43:45,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2023-02-15 13:43:45,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 308. [2023-02-15 13:43:45,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 307 states have (on average 1.250814332247557) internal successors, (384), 307 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:45,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 384 transitions. [2023-02-15 13:43:45,502 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 384 transitions. Word has length 87 [2023-02-15 13:43:45,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:43:45,502 INFO L495 AbstractCegarLoop]: Abstraction has 308 states and 384 transitions. [2023-02-15 13:43:45,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:45,502 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 384 transitions. [2023-02-15 13:43:45,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-02-15 13:43:45,503 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:43:45,503 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 13:43:45,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-15 13:43:45,703 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,SelfDestructingSolverStorable11 [2023-02-15 13:43:45,704 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-02-15 13:43:45,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:43:45,704 INFO L85 PathProgramCache]: Analyzing trace with hash -312709955, now seen corresponding path program 1 times [2023-02-15 13:43:45,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:43:45,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350765165] [2023-02-15 13:43:45,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:43:45,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:43:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:43:45,916 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-02-15 13:43:45,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:43:45,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350765165] [2023-02-15 13:43:45,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350765165] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 13:43:45,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 13:43:45,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-02-15 13:43:45,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121357734] [2023-02-15 13:43:45,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 13:43:45,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-15 13:43:45,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:43:45,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-15 13:43:45,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-02-15 13:43:45,918 INFO L87 Difference]: Start difference. First operand 308 states and 384 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:46,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:43:46,634 INFO L93 Difference]: Finished difference Result 837 states and 1036 transitions. [2023-02-15 13:43:46,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-02-15 13:43:46,634 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2023-02-15 13:43:46,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:43:46,636 INFO L225 Difference]: With dead ends: 837 [2023-02-15 13:43:46,636 INFO L226 Difference]: Without dead ends: 693 [2023-02-15 13:43:46,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-02-15 13:43:46,636 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 455 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 959 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-02-15 13:43:46,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 959 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-02-15 13:43:46,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2023-02-15 13:43:46,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 304. [2023-02-15 13:43:46,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 303 states have (on average 1.2541254125412542) internal successors, (380), 303 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:46,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 380 transitions. [2023-02-15 13:43:46,646 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 380 transitions. Word has length 89 [2023-02-15 13:43:46,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:43:46,646 INFO L495 AbstractCegarLoop]: Abstraction has 304 states and 380 transitions. [2023-02-15 13:43:46,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:46,647 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 380 transitions. [2023-02-15 13:43:46,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-02-15 13:43:46,647 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:43:46,647 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 13:43:46,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-02-15 13:43:46,648 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-02-15 13:43:46,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:43:46,649 INFO L85 PathProgramCache]: Analyzing trace with hash 387927389, now seen corresponding path program 1 times [2023-02-15 13:43:46,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:43:46,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550221182] [2023-02-15 13:43:46,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:43:46,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:43:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:43:46,854 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 51 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-02-15 13:43:46,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:43:46,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550221182] [2023-02-15 13:43:46,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550221182] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 13:43:46,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780905475] [2023-02-15 13:43:46,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:43:46,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 13:43:46,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 13:43:46,856 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 13:43:46,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-15 13:43:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:43:46,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 15 conjunts are in the unsatisfiable core [2023-02-15 13:43:46,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 13:43:47,322 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-02-15 13:43:47,322 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 13:43:47,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780905475] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 13:43:47,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-15 13:43:47,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2023-02-15 13:43:47,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865758376] [2023-02-15 13:43:47,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 13:43:47,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 13:43:47,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:43:47,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 13:43:47,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-02-15 13:43:47,324 INFO L87 Difference]: Start difference. First operand 304 states and 380 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:47,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:43:47,584 INFO L93 Difference]: Finished difference Result 613 states and 762 transitions. [2023-02-15 13:43:47,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 13:43:47,585 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2023-02-15 13:43:47,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:43:47,586 INFO L225 Difference]: With dead ends: 613 [2023-02-15 13:43:47,586 INFO L226 Difference]: Without dead ends: 469 [2023-02-15 13:43:47,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 88 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-02-15 13:43:47,587 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 135 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 13:43:47,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 411 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 13:43:47,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2023-02-15 13:43:47,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 304. [2023-02-15 13:43:47,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 303 states have (on average 1.2541254125412542) internal successors, (380), 303 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:47,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 380 transitions. [2023-02-15 13:43:47,596 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 380 transitions. Word has length 90 [2023-02-15 13:43:47,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:43:47,596 INFO L495 AbstractCegarLoop]: Abstraction has 304 states and 380 transitions. [2023-02-15 13:43:47,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:43:47,596 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 380 transitions. [2023-02-15 13:43:47,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-02-15 13:43:47,598 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:43:47,598 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 13:43:47,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-02-15 13:43:47,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 13:43:47,805 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-02-15 13:43:47,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:43:47,805 INFO L85 PathProgramCache]: Analyzing trace with hash -304873329, now seen corresponding path program 1 times [2023-02-15 13:43:47,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:43:47,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108374619] [2023-02-15 13:43:47,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:43:47,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:43:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:43:48,054 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 51 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-02-15 13:43:48,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:43:48,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108374619] [2023-02-15 13:43:48,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108374619] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 13:43:48,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353820308] [2023-02-15 13:43:48,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:43:48,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 13:43:48,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 13:43:48,056 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 13:43:48,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-15 13:43:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:43:48,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 24 conjunts are in the unsatisfiable core [2023-02-15 13:43:48,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 13:43:48,519 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 44 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-02-15 13:43:48,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 13:43:49,022 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-02-15 13:43:49,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353820308] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 13:43:49,022 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 13:43:49,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 20 [2023-02-15 13:43:49,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542368120] [2023-02-15 13:43:49,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 13:43:49,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-02-15 13:43:49,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:43:49,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-02-15 13:43:49,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2023-02-15 13:43:49,024 INFO L87 Difference]: Start difference. First operand 304 states and 380 transitions. Second operand has 20 states, 20 states have (on average 12.15) internal successors, (243), 20 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:44:05,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:44:05,597 INFO L93 Difference]: Finished difference Result 6316 states and 7747 transitions. [2023-02-15 13:44:05,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2023-02-15 13:44:05,597 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 12.15) internal successors, (243), 20 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-02-15 13:44:05,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:44:05,611 INFO L225 Difference]: With dead ends: 6316 [2023-02-15 13:44:05,611 INFO L226 Difference]: Without dead ends: 5562 [2023-02-15 13:44:05,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 174 SyntacticMatches, 2 SemanticMatches, 211 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17815 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=5539, Invalid=39617, Unknown=0, NotChecked=0, Total=45156 [2023-02-15 13:44:05,632 INFO L413 NwaCegarLoop]: 449 mSDtfsCounter, 2720 mSDsluCounter, 3581 mSDsCounter, 0 mSdLazyCounter, 6090 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2720 SdHoareTripleChecker+Valid, 4030 SdHoareTripleChecker+Invalid, 6265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 6090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-02-15 13:44:05,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2720 Valid, 4030 Invalid, 6265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 6090 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2023-02-15 13:44:05,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5562 states. [2023-02-15 13:44:05,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5562 to 1231. [2023-02-15 13:44:05,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 1230 states have (on average 1.3642276422764228) internal successors, (1678), 1230 states have internal predecessors, (1678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:44:05,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1678 transitions. [2023-02-15 13:44:05,693 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1678 transitions. Word has length 93 [2023-02-15 13:44:05,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:44:05,694 INFO L495 AbstractCegarLoop]: Abstraction has 1231 states and 1678 transitions. [2023-02-15 13:44:05,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 12.15) internal successors, (243), 20 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:44:05,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1678 transitions. [2023-02-15 13:44:05,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-02-15 13:44:05,697 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:44:05,697 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 13:44:05,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-02-15 13:44:05,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 13:44:05,902 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-02-15 13:44:05,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:44:05,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1586105425, now seen corresponding path program 1 times [2023-02-15 13:44:05,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:44:05,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645238046] [2023-02-15 13:44:05,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:44:05,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:44:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:44:06,046 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 72 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-02-15 13:44:06,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:44:06,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645238046] [2023-02-15 13:44:06,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645238046] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 13:44:06,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493521021] [2023-02-15 13:44:06,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:44:06,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 13:44:06,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 13:44:06,048 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 13:44:06,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-15 13:44:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:44:06,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 13:44:06,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 13:44:06,249 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 69 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-02-15 13:44:06,249 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 13:44:06,416 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 68 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-02-15 13:44:06,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493521021] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 13:44:06,416 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 13:44:06,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2023-02-15 13:44:06,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727380052] [2023-02-15 13:44:06,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 13:44:06,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-02-15 13:44:06,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:44:06,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-02-15 13:44:06,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-02-15 13:44:06,420 INFO L87 Difference]: Start difference. First operand 1231 states and 1678 transitions. Second operand has 10 states, 10 states have (on average 12.9) internal successors, (129), 10 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:44:07,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:44:07,396 INFO L93 Difference]: Finished difference Result 4554 states and 6347 transitions. [2023-02-15 13:44:07,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-02-15 13:44:07,396 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.9) internal successors, (129), 10 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2023-02-15 13:44:07,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:44:07,404 INFO L225 Difference]: With dead ends: 4554 [2023-02-15 13:44:07,404 INFO L226 Difference]: Without dead ends: 3086 [2023-02-15 13:44:07,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 210 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2023-02-15 13:44:07,406 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 459 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-02-15 13:44:07,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 520 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-02-15 13:44:07,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3086 states. [2023-02-15 13:44:07,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3086 to 2167. [2023-02-15 13:44:07,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2167 states, 2166 states have (on average 1.33471837488458) internal successors, (2891), 2166 states have internal predecessors, (2891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:44:07,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 2891 transitions. [2023-02-15 13:44:07,478 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 2891 transitions. Word has length 101 [2023-02-15 13:44:07,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:44:07,478 INFO L495 AbstractCegarLoop]: Abstraction has 2167 states and 2891 transitions. [2023-02-15 13:44:07,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.9) internal successors, (129), 10 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:44:07,479 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2891 transitions. [2023-02-15 13:44:07,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-02-15 13:44:07,480 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:44:07,480 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 13:44:07,485 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-02-15 13:44:07,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-02-15 13:44:07,685 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-02-15 13:44:07,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:44:07,686 INFO L85 PathProgramCache]: Analyzing trace with hash -702020810, now seen corresponding path program 1 times [2023-02-15 13:44:07,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:44:07,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388065165] [2023-02-15 13:44:07,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:44:07,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:44:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 13:44:07,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 13:44:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 13:44:07,758 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 13:44:07,758 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-15 13:44:07,759 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 41 remaining) [2023-02-15 13:44:07,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 41 remaining) [2023-02-15 13:44:07,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 41 remaining) [2023-02-15 13:44:07,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 41 remaining) [2023-02-15 13:44:07,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 41 remaining) [2023-02-15 13:44:07,762 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 41 remaining) [2023-02-15 13:44:07,762 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 41 remaining) [2023-02-15 13:44:07,762 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 41 remaining) [2023-02-15 13:44:07,762 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 41 remaining) [2023-02-15 13:44:07,762 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 41 remaining) [2023-02-15 13:44:07,763 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 41 remaining) [2023-02-15 13:44:07,763 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 41 remaining) [2023-02-15 13:44:07,763 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 41 remaining) [2023-02-15 13:44:07,764 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 41 remaining) [2023-02-15 13:44:07,764 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 41 remaining) [2023-02-15 13:44:07,764 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 41 remaining) [2023-02-15 13:44:07,764 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 41 remaining) [2023-02-15 13:44:07,764 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 41 remaining) [2023-02-15 13:44:07,764 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 41 remaining) [2023-02-15 13:44:07,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 41 remaining) [2023-02-15 13:44:07,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 41 remaining) [2023-02-15 13:44:07,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 41 remaining) [2023-02-15 13:44:07,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 41 remaining) [2023-02-15 13:44:07,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 41 remaining) [2023-02-15 13:44:07,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 41 remaining) [2023-02-15 13:44:07,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 41 remaining) [2023-02-15 13:44:07,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 41 remaining) [2023-02-15 13:44:07,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 41 remaining) [2023-02-15 13:44:07,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 41 remaining) [2023-02-15 13:44:07,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 41 remaining) [2023-02-15 13:44:07,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 41 remaining) [2023-02-15 13:44:07,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 41 remaining) [2023-02-15 13:44:07,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 41 remaining) [2023-02-15 13:44:07,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 41 remaining) [2023-02-15 13:44:07,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 41 remaining) [2023-02-15 13:44:07,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 41 remaining) [2023-02-15 13:44:07,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 41 remaining) [2023-02-15 13:44:07,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 41 remaining) [2023-02-15 13:44:07,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 41 remaining) [2023-02-15 13:44:07,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 41 remaining) [2023-02-15 13:44:07,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 41 remaining) [2023-02-15 13:44:07,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-02-15 13:44:07,770 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 13:44:07,773 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-15 13:44:07,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 01:44:07 BoogieIcfgContainer [2023-02-15 13:44:07,850 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 13:44:07,850 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 13:44:07,850 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 13:44:07,851 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 13:44:07,851 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:43:32" (3/4) ... [2023-02-15 13:44:07,852 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-02-15 13:44:07,917 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-15 13:44:07,917 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 13:44:07,918 INFO L158 Benchmark]: Toolchain (without parser) took 35802.53ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 80.5MB in the beginning and 70.3MB in the end (delta: 10.2MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2023-02-15 13:44:07,918 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 98.6MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 13:44:07,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.49ms. Allocated memory is still 123.7MB. Free memory was 80.5MB in the beginning and 68.0MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-02-15 13:44:07,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.28ms. Allocated memory is still 123.7MB. Free memory was 68.0MB in the beginning and 64.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-15 13:44:07,919 INFO L158 Benchmark]: Boogie Preprocessor took 46.95ms. Allocated memory is still 123.7MB. Free memory was 64.8MB in the beginning and 62.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 13:44:07,920 INFO L158 Benchmark]: RCFGBuilder took 459.86ms. Allocated memory is still 123.7MB. Free memory was 62.7MB in the beginning and 91.9MB in the end (delta: -29.2MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2023-02-15 13:44:07,920 INFO L158 Benchmark]: TraceAbstraction took 35003.50ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 91.2MB in the beginning and 78.7MB in the end (delta: 12.5MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2023-02-15 13:44:07,920 INFO L158 Benchmark]: Witness Printer took 66.94ms. Allocated memory is still 148.9MB. Free memory was 78.7MB in the beginning and 70.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 13:44:07,923 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 98.6MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 186.49ms. Allocated memory is still 123.7MB. Free memory was 80.5MB in the beginning and 68.0MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.28ms. Allocated memory is still 123.7MB. Free memory was 68.0MB in the beginning and 64.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.95ms. Allocated memory is still 123.7MB. Free memory was 64.8MB in the beginning and 62.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 459.86ms. Allocated memory is still 123.7MB. Free memory was 62.7MB in the beginning and 91.9MB in the end (delta: -29.2MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * TraceAbstraction took 35003.50ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 91.2MB in the beginning and 78.7MB in the end (delta: 12.5MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * Witness Printer took 66.94ms. Allocated memory is still 148.9MB. Free memory was 78.7MB in the beginning and 70.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 116]: integer overflow possible integer overflow possible We found a FailurePath: [L124] unsigned int a, b, r; [L126] b = __VERIFIER_nondet_uint() [L128] a = 234770789 [L130] CALL mp_add(a, b) [L42] unsigned char a0, a1, a2, a3; [L43] unsigned char b0, b1, b2, b3; [L44] unsigned char r0, r1, r2, r3; [L45] unsigned short carry; [L46] unsigned short partial_sum; [L47] unsigned int r; [L48] unsigned char i; [L49] unsigned char na, nb; [L50] a0 = a [L51] a1 = a >> 8 [L52] a2 = a >> 16U [L53] a3 = a >> 24U [L54] b0 = b [L55] b1 = b >> 8U [L56] b2 = b >> 16U [L57] b3 = b >> 24U [L58] na = (unsigned char)4 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, na=4] [L59] COND FALSE !(a3 == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, na=4] [L68] nb = (unsigned char)4 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, na=4, nb=4] [L69] COND FALSE !(b3 == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, na=4, nb=4] [L78] carry = (unsigned short)0 [L79] i = (unsigned char)0 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=0] [L83] COND TRUE i < na VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=0] [L84] COND TRUE i == (unsigned char)0 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=0] [L84] EXPR partial_sum + a0 [L84] partial_sum = partial_sum + a0 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101] [L85] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101] [L86] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101] [L87] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101] [L89] COND TRUE i < nb VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101] [L90] COND TRUE i == (unsigned char)0 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101] [L90] EXPR partial_sum + b0 [L90] partial_sum = partial_sum + b0 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101] [L91] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101] [L92] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101] [L93] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101] [L95] COND FALSE !(partial_sum > ((unsigned char)255)) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101] [L99] COND TRUE i == (unsigned char)0 [L99] r0 = (unsigned char)partial_sum VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101, r0=101] [L100] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101, r0=101] [L101] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101, r0=101] [L102] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=0, na=4, nb=4, partial_sum=101, r0=101] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=101, r0=101] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=0, r0=101] [L83] COND TRUE i < na VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=0, r0=101] [L84] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=0, r0=101] [L85] COND TRUE i == (unsigned char)1 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=0, r0=101] [L85] EXPR partial_sum + a1 [L85] partial_sum = partial_sum + a1 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101] [L86] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101] [L87] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101] [L89] COND TRUE i < nb VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101] [L90] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101] [L91] COND TRUE i == (unsigned char)1 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101] [L91] EXPR partial_sum + b1 [L91] partial_sum = partial_sum + b1 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101] [L92] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101] [L93] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101] [L95] COND FALSE !(partial_sum > ((unsigned char)255)) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101] [L99] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101] [L100] COND TRUE i == (unsigned char)1 [L100] r1 = (unsigned char)partial_sum VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101, r1=81] [L101] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101, r1=81] [L102] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=101, r1=81] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=81, r0=101, r1=81] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=0, r0=101, r1=81] [L83] COND TRUE i < na VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=0, r0=101, r1=81] [L84] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=0, r0=101, r1=81] [L85] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=0, r0=101, r1=81] [L86] COND TRUE i == (unsigned char)2 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=0, r0=101, r1=81] [L86] EXPR partial_sum + a2 [L86] partial_sum = partial_sum + a2 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81] [L87] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81] [L89] COND TRUE i < nb VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81] [L90] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81] [L91] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81] [L92] COND TRUE i == (unsigned char)2 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81] [L92] EXPR partial_sum + b2 [L92] partial_sum = partial_sum + b2 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81] [L93] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81] [L95] COND FALSE !(partial_sum > ((unsigned char)255)) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81] [L99] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81] [L100] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81] [L101] COND TRUE i == (unsigned char)2 [L101] r2 = (unsigned char)partial_sum VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81, r2=254] [L102] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=101, r1=81, r2=254] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=254, r0=101, r1=81, r2=254] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=0, r0=101, r1=81, r2=254] [L83] COND TRUE i < na VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=0, r0=101, r1=81, r2=254] [L84] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=0, r0=101, r1=81, r2=254] [L85] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=0, r0=101, r1=81, r2=254] [L86] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=0, r0=101, r1=81, r2=254] [L87] COND TRUE i == (unsigned char)3 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=0, r0=101, r1=81, r2=254] [L87] EXPR partial_sum + a3 [L87] partial_sum = partial_sum + a3 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=13, r0=101, r1=81, r2=254] [L89] COND TRUE i < nb VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=13, r0=101, r1=81, r2=254] [L90] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=13, r0=101, r1=81, r2=254] [L91] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=13, r0=101, r1=81, r2=254] [L92] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=13, r0=101, r1=81, r2=254] [L93] COND TRUE i == (unsigned char)3 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=13, r0=101, r1=81, r2=254] [L93] EXPR partial_sum + b3 [L93] partial_sum = partial_sum + b3 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=101, r1=81, r2=254] [L95] COND FALSE !(partial_sum > ((unsigned char)255)) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=101, r1=81, r2=254] [L99] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=101, r1=81, r2=254] [L100] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=101, r1=81, r2=254] [L101] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=101, r1=81, r2=254] [L102] COND TRUE i == (unsigned char)3 [L102] r3 = (unsigned char)partial_sum VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=101, r1=81, r2=254, r3=128] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=101, r1=81, r2=254, r3=128] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=101, r1=81, r2=254, r3=128] [L107] COND FALSE !(i < (unsigned char)4) VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=101, r1=81, r2=254, r3=128] [L116] r1 << 8U VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=101, r1=81, r2=254, r3=128] [L116] r2 << 16U VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=101, r1=81, r2=254, r3=128] [L116] r3 << 24U VAL [\old(a)=234770789, \old(b)=1929379840, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=1929379840, b0=-2365587456, b1=-9240576, b2=-36096, b3=-141, carry=0, i=4, na=4, nb=4, partial_sum=128, r0=101, r1=81, r2=254, r3=128] - UnprovableResult [Line: 60]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 41 error locations. Started 1 CEGAR loops. OverallTime: 34.9s, OverallIterations: 17, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 27.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 5064 SdHoareTripleChecker+Valid, 17.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5064 mSDsluCounter, 8964 SdHoareTripleChecker+Invalid, 16.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6760 mSDsCounter, 377 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8532 IncrementalHoareTripleChecker+Invalid, 8912 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 377 mSolverCounterUnsat, 2204 mSDtfsCounter, 8532 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1091 GetRequests, 784 SyntacticMatches, 16 SemanticMatches, 291 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17955 ImplicationChecksByTransitivity, 9.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2167occurred in iteration=16, InterpolantAutomatonStates: 285, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 6879 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 1607 NumberOfCodeBlocks, 1607 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1670 ConstructedInterpolants, 2 QuantifiedInterpolants, 8410 SizeOfPredicates, 26 NumberOfNonLiveVariables, 1266 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 26 InterpolantComputations, 14 PerfectInterpolantSequences, 1081/1287 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-02-15 13:44:08,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)