./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-zilu/benchmark34_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5317dae Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-zilu/benchmark34_conjunctive.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0414607cdfaf86248673acc731020b311087823754eb03e229e19e48245fa120 --- Real Ultimate output --- This is Ultimate 0.2.2-?-b5317da-m [2023-02-16 04:08:17,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-16 04:08:17,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-16 04:08:18,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-16 04:08:18,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-16 04:08:18,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-16 04:08:18,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-16 04:08:18,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-16 04:08:18,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-16 04:08:18,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-16 04:08:18,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-16 04:08:18,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-16 04:08:18,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-16 04:08:18,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-16 04:08:18,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-16 04:08:18,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-16 04:08:18,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-16 04:08:18,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-16 04:08:18,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-16 04:08:18,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-16 04:08:18,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-16 04:08:18,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-16 04:08:18,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-16 04:08:18,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-16 04:08:18,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-16 04:08:18,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-16 04:08:18,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-16 04:08:18,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-16 04:08:18,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-16 04:08:18,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-16 04:08:18,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-16 04:08:18,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-16 04:08:18,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-16 04:08:18,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-16 04:08:18,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-16 04:08:18,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-16 04:08:18,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-16 04:08:18,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-16 04:08:18,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-16 04:08:18,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-16 04:08:18,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-16 04:08:18,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-02-16 04:08:18,096 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-16 04:08:18,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-16 04:08:18,097 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-16 04:08:18,097 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-16 04:08:18,098 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-16 04:08:18,098 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-16 04:08:18,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-16 04:08:18,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-16 04:08:18,099 INFO L138 SettingsManager]: * Use SBE=true [2023-02-16 04:08:18,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-16 04:08:18,099 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-16 04:08:18,099 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-16 04:08:18,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-16 04:08:18,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-16 04:08:18,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-16 04:08:18,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-16 04:08:18,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-16 04:08:18,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-16 04:08:18,100 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-16 04:08:18,101 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-16 04:08:18,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-16 04:08:18,101 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-16 04:08:18,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-16 04:08:18,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-16 04:08:18,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-16 04:08:18,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-16 04:08:18,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 04:08:18,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-16 04:08:18,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-16 04:08:18,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-16 04:08:18,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-16 04:08:18,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-16 04:08:18,103 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-16 04:08:18,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-16 04:08:18,103 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-16 04:08:18,103 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-16 04:08:18,104 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-16 04:08:18,104 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0414607cdfaf86248673acc731020b311087823754eb03e229e19e48245fa120 [2023-02-16 04:08:18,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-16 04:08:18,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-16 04:08:18,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-16 04:08:18,316 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-16 04:08:18,316 INFO L275 PluginConnector]: CDTParser initialized [2023-02-16 04:08:18,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-zilu/benchmark34_conjunctive.i [2023-02-16 04:08:19,475 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-16 04:08:19,647 INFO L351 CDTParser]: Found 1 translation units. [2023-02-16 04:08:19,648 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark34_conjunctive.i [2023-02-16 04:08:19,653 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5396ed3bf/7cbf3dc2e105435c86d496f8a15c87f7/FLAG64f8f05a3 [2023-02-16 04:08:19,668 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5396ed3bf/7cbf3dc2e105435c86d496f8a15c87f7 [2023-02-16 04:08:19,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-16 04:08:19,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-16 04:08:19,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-16 04:08:19,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-16 04:08:19,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-16 04:08:19,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:08:19" (1/1) ... [2023-02-16 04:08:19,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78edd9ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:19, skipping insertion in model container [2023-02-16 04:08:19,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:08:19" (1/1) ... [2023-02-16 04:08:19,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-16 04:08:19,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-16 04:08:19,800 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark34_conjunctive.i[873,886] [2023-02-16 04:08:19,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:08:19,813 INFO L203 MainTranslator]: Completed pre-run [2023-02-16 04:08:19,823 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark34_conjunctive.i[873,886] [2023-02-16 04:08:19,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:08:19,837 INFO L208 MainTranslator]: Completed translation [2023-02-16 04:08:19,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:19 WrapperNode [2023-02-16 04:08:19,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-16 04:08:19,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-16 04:08:19,839 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-16 04:08:19,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-16 04:08:19,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:19" (1/1) ... [2023-02-16 04:08:19,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:19" (1/1) ... [2023-02-16 04:08:19,866 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2023-02-16 04:08:19,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-16 04:08:19,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-16 04:08:19,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-16 04:08:19,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-16 04:08:19,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:19" (1/1) ... [2023-02-16 04:08:19,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:19" (1/1) ... [2023-02-16 04:08:19,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:19" (1/1) ... [2023-02-16 04:08:19,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:19" (1/1) ... [2023-02-16 04:08:19,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:19" (1/1) ... [2023-02-16 04:08:19,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:19" (1/1) ... [2023-02-16 04:08:19,898 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:19" (1/1) ... [2023-02-16 04:08:19,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:19" (1/1) ... [2023-02-16 04:08:19,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-16 04:08:19,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-16 04:08:19,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-16 04:08:19,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-16 04:08:19,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:19" (1/1) ... [2023-02-16 04:08:19,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 04:08:19,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:08:19,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-16 04:08:19,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-16 04:08:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-16 04:08:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-16 04:08:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-16 04:08:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-16 04:08:20,031 INFO L235 CfgBuilder]: Building ICFG [2023-02-16 04:08:20,032 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-16 04:08:20,155 INFO L276 CfgBuilder]: Performing block encoding [2023-02-16 04:08:20,160 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-16 04:08:20,161 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-16 04:08:20,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:08:20 BoogieIcfgContainer [2023-02-16 04:08:20,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-16 04:08:20,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-16 04:08:20,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-16 04:08:20,167 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-16 04:08:20,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 04:08:19" (1/3) ... [2023-02-16 04:08:20,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc1eb41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 04:08:20, skipping insertion in model container [2023-02-16 04:08:20,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:19" (2/3) ... [2023-02-16 04:08:20,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc1eb41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 04:08:20, skipping insertion in model container [2023-02-16 04:08:20,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:08:20" (3/3) ... [2023-02-16 04:08:20,170 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark34_conjunctive.i [2023-02-16 04:08:20,197 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-16 04:08:20,198 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-02-16 04:08:20,237 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-16 04:08:20,243 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;@64236d7f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-16 04:08:20,243 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-02-16 04:08:20,246 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 17 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:20,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-16 04:08:20,256 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:20,256 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-16 04:08:20,257 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-16 04:08:20,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:20,261 INFO L85 PathProgramCache]: Analyzing trace with hash 28695973, now seen corresponding path program 1 times [2023-02-16 04:08:20,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:20,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791741235] [2023-02-16 04:08:20,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:20,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:20,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:20,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:20,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791741235] [2023-02-16 04:08:20,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791741235] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:08:20,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:08:20,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:08:20,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016376324] [2023-02-16 04:08:20,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:08:20,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 04:08:20,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:20,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 04:08:20,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:08:20,497 INFO L87 Difference]: Start difference. First operand has 18 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 17 states have internal predecessors, (21), 0 states have call successors, (0), 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 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:20,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:20,539 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2023-02-16 04:08:20,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-16 04:08:20,542 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-02-16 04:08:20,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:20,548 INFO L225 Difference]: With dead ends: 27 [2023-02-16 04:08:20,548 INFO L226 Difference]: Without dead ends: 11 [2023-02-16 04:08:20,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:08:20,554 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 15 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:20,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 32 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:20,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2023-02-16 04:08:20,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-02-16 04:08:20,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:20,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-02-16 04:08:20,579 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 5 [2023-02-16 04:08:20,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:20,580 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-02-16 04:08:20,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:20,580 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-02-16 04:08:20,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-16 04:08:20,581 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:20,581 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-16 04:08:20,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-16 04:08:20,582 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-16 04:08:20,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:20,583 INFO L85 PathProgramCache]: Analyzing trace with hash 889575213, now seen corresponding path program 1 times [2023-02-16 04:08:20,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:20,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112106270] [2023-02-16 04:08:20,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:20,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:20,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:20,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:20,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112106270] [2023-02-16 04:08:20,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112106270] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:08:20,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:08:20,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:08:20,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999925496] [2023-02-16 04:08:20,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:08:20,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 04:08:20,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:20,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 04:08:20,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:08:20,640 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:20,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:20,666 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-02-16 04:08:20,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-16 04:08:20,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-02-16 04:08:20,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:20,667 INFO L225 Difference]: With dead ends: 15 [2023-02-16 04:08:20,667 INFO L226 Difference]: Without dead ends: 14 [2023-02-16 04:08:20,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:08:20,673 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:20,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 21 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:20,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-02-16 04:08:20,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-02-16 04:08:20,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:20,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2023-02-16 04:08:20,680 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 6 [2023-02-16 04:08:20,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:20,681 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2023-02-16 04:08:20,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:20,681 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2023-02-16 04:08:20,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-16 04:08:20,681 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:20,682 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:08:20,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-16 04:08:20,682 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-16 04:08:20,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:20,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1807027879, now seen corresponding path program 1 times [2023-02-16 04:08:20,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:20,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677065898] [2023-02-16 04:08:20,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:20,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:20,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:20,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:20,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677065898] [2023-02-16 04:08:20,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677065898] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:08:20,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:08:20,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:08:20,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927063593] [2023-02-16 04:08:20,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:08:20,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 04:08:20,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:20,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 04:08:20,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:08:20,776 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:20,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:20,807 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2023-02-16 04:08:20,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-16 04:08:20,807 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-02-16 04:08:20,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:20,808 INFO L225 Difference]: With dead ends: 18 [2023-02-16 04:08:20,808 INFO L226 Difference]: Without dead ends: 17 [2023-02-16 04:08:20,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:08:20,810 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 5 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:20,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 19 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:20,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2023-02-16 04:08:20,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2023-02-16 04:08:20,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.25) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:20,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-02-16 04:08:20,817 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 7 [2023-02-16 04:08:20,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:20,817 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-02-16 04:08:20,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:20,817 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2023-02-16 04:08:20,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-16 04:08:20,817 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:20,818 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:08:20,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-16 04:08:20,818 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-16 04:08:20,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:20,818 INFO L85 PathProgramCache]: Analyzing trace with hash 183289455, now seen corresponding path program 1 times [2023-02-16 04:08:20,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:20,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066803517] [2023-02-16 04:08:20,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:20,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:20,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:20,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:20,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066803517] [2023-02-16 04:08:20,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066803517] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:08:20,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:08:20,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:08:20,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552237049] [2023-02-16 04:08:20,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:08:20,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 04:08:20,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:20,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 04:08:20,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:08:20,896 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:20,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:20,912 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-02-16 04:08:20,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-16 04:08:20,913 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-02-16 04:08:20,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:20,913 INFO L225 Difference]: With dead ends: 15 [2023-02-16 04:08:20,913 INFO L226 Difference]: Without dead ends: 14 [2023-02-16 04:08:20,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:08:20,915 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 5 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:20,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 10 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:20,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-02-16 04:08:20,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-02-16 04:08:20,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:20,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2023-02-16 04:08:20,919 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 8 [2023-02-16 04:08:20,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:20,919 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2023-02-16 04:08:20,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:20,920 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2023-02-16 04:08:20,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-16 04:08:20,920 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:20,920 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:08:20,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-16 04:08:20,921 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-16 04:08:20,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:20,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1472766433, now seen corresponding path program 1 times [2023-02-16 04:08:20,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:20,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162332039] [2023-02-16 04:08:20,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:20,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:21,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:21,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:21,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162332039] [2023-02-16 04:08:21,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162332039] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:08:21,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617513166] [2023-02-16 04:08:21,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:21,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:21,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:08:21,034 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:08:21,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-16 04:08:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:21,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-16 04:08:21,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:08:21,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:21,125 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:08:21,170 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:21,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617513166] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:08:21,170 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:08:21,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-02-16 04:08:21,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621317559] [2023-02-16 04:08:21,171 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:08:21,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-02-16 04:08:21,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:21,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-02-16 04:08:21,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-02-16 04:08:21,173 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 10 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:21,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:21,230 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2023-02-16 04:08:21,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-02-16 04:08:21,231 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-02-16 04:08:21,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:21,232 INFO L225 Difference]: With dead ends: 31 [2023-02-16 04:08:21,232 INFO L226 Difference]: Without dead ends: 30 [2023-02-16 04:08:21,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2023-02-16 04:08:21,234 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 12 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:21,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 43 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:21,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-02-16 04:08:21,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2023-02-16 04:08:21,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 27 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) [2023-02-16 04:08:21,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2023-02-16 04:08:21,239 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 11 [2023-02-16 04:08:21,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:21,239 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2023-02-16 04:08:21,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:21,240 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2023-02-16 04:08:21,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-16 04:08:21,240 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:21,240 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-02-16 04:08:21,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-16 04:08:21,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:21,447 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-16 04:08:21,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:21,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1588880781, now seen corresponding path program 1 times [2023-02-16 04:08:21,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:21,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688605164] [2023-02-16 04:08:21,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:21,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:21,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:21,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:21,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688605164] [2023-02-16 04:08:21,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688605164] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:08:21,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247225274] [2023-02-16 04:08:21,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:21,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:21,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:08:21,532 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:08:21,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-16 04:08:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:21,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 9 conjunts are in the unsatisfiable core [2023-02-16 04:08:21,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:08:21,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:21,674 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:08:21,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:21,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1247225274] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:08:21,820 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:08:21,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 15 [2023-02-16 04:08:21,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481366482] [2023-02-16 04:08:21,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:08:21,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-02-16 04:08:21,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:21,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-02-16 04:08:21,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2023-02-16 04:08:21,825 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 16 states, 15 states have (on average 2.0) internal successors, (30), 16 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) [2023-02-16 04:08:22,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:22,062 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2023-02-16 04:08:22,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-02-16 04:08:22,063 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.0) internal successors, (30), 16 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 12 [2023-02-16 04:08:22,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:22,065 INFO L225 Difference]: With dead ends: 37 [2023-02-16 04:08:22,065 INFO L226 Difference]: Without dead ends: 36 [2023-02-16 04:08:22,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=485, Unknown=0, NotChecked=0, Total=650 [2023-02-16 04:08:22,074 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 38 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:22,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 29 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:08:22,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-02-16 04:08:22,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2023-02-16 04:08:22,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 32 states have (on average 1.09375) internal successors, (35), 33 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:22,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2023-02-16 04:08:22,091 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 12 [2023-02-16 04:08:22,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:22,092 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2023-02-16 04:08:22,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.0) internal successors, (30), 16 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) [2023-02-16 04:08:22,092 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2023-02-16 04:08:22,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-02-16 04:08:22,093 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:22,093 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1] [2023-02-16 04:08:22,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-16 04:08:22,299 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,SelfDestructingSolverStorable5 [2023-02-16 04:08:22,299 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-16 04:08:22,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:22,300 INFO L85 PathProgramCache]: Analyzing trace with hash 924342317, now seen corresponding path program 2 times [2023-02-16 04:08:22,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:22,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969147291] [2023-02-16 04:08:22,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:22,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:22,518 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:22,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:22,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969147291] [2023-02-16 04:08:22,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969147291] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:08:22,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464185872] [2023-02-16 04:08:22,520 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 04:08:22,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:22,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:08:22,525 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:08:22,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-16 04:08:22,559 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-02-16 04:08:22,560 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:08:22,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-16 04:08:22,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:08:22,622 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-02-16 04:08:22,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:08:22,680 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-02-16 04:08:22,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464185872] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:08:22,681 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:08:22,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14 [2023-02-16 04:08:22,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501716313] [2023-02-16 04:08:22,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:08:22,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-02-16 04:08:22,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:22,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-02-16 04:08:22,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2023-02-16 04:08:22,686 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand has 15 states, 14 states have (on average 2.5714285714285716) internal successors, (36), 15 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) [2023-02-16 04:08:22,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:22,844 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2023-02-16 04:08:22,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-02-16 04:08:22,845 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.5714285714285716) internal successors, (36), 15 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 26 [2023-02-16 04:08:22,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:22,846 INFO L225 Difference]: With dead ends: 34 [2023-02-16 04:08:22,846 INFO L226 Difference]: Without dead ends: 33 [2023-02-16 04:08:22,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=202, Invalid=500, Unknown=0, NotChecked=0, Total=702 [2023-02-16 04:08:22,847 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 42 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:22,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 33 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:22,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-02-16 04:08:22,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2023-02-16 04:08:22,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.03125) internal successors, (33), 32 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:22,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2023-02-16 04:08:22,859 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 26 [2023-02-16 04:08:22,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:22,859 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2023-02-16 04:08:22,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.5714285714285716) internal successors, (36), 15 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) [2023-02-16 04:08:22,859 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2023-02-16 04:08:22,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-02-16 04:08:22,860 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:22,860 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 1, 1, 1, 1] [2023-02-16 04:08:22,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-16 04:08:23,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:23,066 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-16 04:08:23,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:23,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1371102067, now seen corresponding path program 2 times [2023-02-16 04:08:23,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:23,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662317460] [2023-02-16 04:08:23,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:23,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:23,269 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-02-16 04:08:23,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:23,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662317460] [2023-02-16 04:08:23,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662317460] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:08:23,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655991122] [2023-02-16 04:08:23,270 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 04:08:23,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:23,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:08:23,271 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:08:23,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-16 04:08:23,313 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-16 04:08:23,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:08:23,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 25 conjunts are in the unsatisfiable core [2023-02-16 04:08:23,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:08:23,682 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:23,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:08:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:24,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655991122] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:08:24,159 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:08:24,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 19, 19] total 40 [2023-02-16 04:08:24,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943028696] [2023-02-16 04:08:24,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:08:24,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-02-16 04:08:24,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:24,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-02-16 04:08:24,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=1424, Unknown=0, NotChecked=0, Total=1640 [2023-02-16 04:08:24,161 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand has 41 states, 40 states have (on average 1.725) internal successors, (69), 41 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:24,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:24,897 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2023-02-16 04:08:24,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-02-16 04:08:24,898 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 1.725) internal successors, (69), 41 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 32 [2023-02-16 04:08:24,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:24,898 INFO L225 Difference]: With dead ends: 37 [2023-02-16 04:08:24,898 INFO L226 Difference]: Without dead ends: 0 [2023-02-16 04:08:24,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 890 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=663, Invalid=2997, Unknown=0, NotChecked=0, Total=3660 [2023-02-16 04:08:24,900 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 67 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:24,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 23 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-16 04:08:24,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-16 04:08:24,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-16 04:08:24,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:24,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-16 04:08:24,901 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2023-02-16 04:08:24,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:24,901 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-16 04:08:24,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 1.725) internal successors, (69), 41 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:24,901 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-16 04:08:24,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-16 04:08:24,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-02-16 04:08:24,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-02-16 04:08:24,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-02-16 04:08:24,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-02-16 04:08:24,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-16 04:08:25,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:25,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-16 04:08:25,192 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2023-02-16 04:08:25,193 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-16 04:08:25,193 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2023-02-16 04:08:25,193 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2023-02-16 04:08:25,193 INFO L899 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed. [2023-02-16 04:08:25,193 INFO L899 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed. [2023-02-16 04:08:25,193 INFO L899 garLoopResultBuilder]: For program point L25-2(line 25) no Hoare annotation was computed. [2023-02-16 04:08:25,194 INFO L899 garLoopResultBuilder]: For program point L25-3(line 25) no Hoare annotation was computed. [2023-02-16 04:08:25,194 INFO L899 garLoopResultBuilder]: For program point L15(lines 15 17) no Hoare annotation was computed. [2023-02-16 04:08:25,194 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-16 04:08:25,194 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 19 29) the Hoare annotation is: true [2023-02-16 04:08:25,194 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-16 04:08:25,194 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2023-02-16 04:08:25,195 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2023-02-16 04:08:25,195 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-16 04:08:25,195 INFO L895 garLoopResultBuilder]: At program point L24-2(lines 24 26) the Hoare annotation is: (and (or (< |ULTIMATE.start_main_~n~0#1| (+ |ULTIMATE.start_main_#t~post4#1| 4)) (< 0 (+ |ULTIMATE.start_main_~k~0#1| 2147483645))) (or (< 0 (+ |ULTIMATE.start_main_~k~0#1| 2147483647)) (< |ULTIMATE.start_main_~n~0#1| (+ |ULTIMATE.start_main_#t~post4#1| 2))) (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (< 0 (+ |ULTIMATE.start_main_~k~0#1| 2147483648)) (or (< 0 (+ |ULTIMATE.start_main_~k~0#1| 2147483643)) (< |ULTIMATE.start_main_~n~0#1| (+ |ULTIMATE.start_main_#t~post4#1| 6))) (<= |ULTIMATE.start_main_~n~0#1| (+ |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~k~0#1|)) (<= 0 |ULTIMATE.start_main_~j~0#1|) (or (< |ULTIMATE.start_main_~n~0#1| (+ |ULTIMATE.start_main_#t~post4#1| 3)) (< 0 (+ |ULTIMATE.start_main_~k~0#1| 2147483646))) (<= |ULTIMATE.start_main_~k~0#1| 2147483647) (or (< 0 (+ |ULTIMATE.start_main_~k~0#1| 2147483644)) (< |ULTIMATE.start_main_~n~0#1| (+ |ULTIMATE.start_main_#t~post4#1| 5)))) [2023-02-16 04:08:25,195 INFO L899 garLoopResultBuilder]: For program point L24-3(lines 24 26) no Hoare annotation was computed. [2023-02-16 04:08:25,195 INFO L899 garLoopResultBuilder]: For program point L14(lines 14 18) no Hoare annotation was computed. [2023-02-16 04:08:25,198 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1] [2023-02-16 04:08:25,200 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-16 04:08:25,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 04:08:25 BoogieIcfgContainer [2023-02-16 04:08:25,213 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-16 04:08:25,213 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-16 04:08:25,213 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-16 04:08:25,214 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-16 04:08:25,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:08:20" (3/4) ... [2023-02-16 04:08:25,216 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-16 04:08:25,224 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-02-16 04:08:25,225 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-02-16 04:08:25,225 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-16 04:08:25,225 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-16 04:08:25,249 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-16 04:08:25,249 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-16 04:08:25,250 INFO L158 Benchmark]: Toolchain (without parser) took 5577.87ms. Allocated memory was 113.2MB in the beginning and 138.4MB in the end (delta: 25.2MB). Free memory was 70.7MB in the beginning and 52.3MB in the end (delta: 18.3MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2023-02-16 04:08:25,250 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory was 84.7MB in the beginning and 84.6MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 04:08:25,250 INFO L158 Benchmark]: CACSL2BoogieTranslator took 163.13ms. Allocated memory is still 113.2MB. Free memory was 70.3MB in the beginning and 60.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-16 04:08:25,251 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.21ms. Allocated memory is still 113.2MB. Free memory was 60.5MB in the beginning and 59.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-16 04:08:25,251 INFO L158 Benchmark]: Boogie Preprocessor took 33.92ms. Allocated memory is still 113.2MB. Free memory was 58.8MB in the beginning and 57.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-16 04:08:25,251 INFO L158 Benchmark]: RCFGBuilder took 259.89ms. Allocated memory is still 113.2MB. Free memory was 57.7MB in the beginning and 48.3MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-16 04:08:25,252 INFO L158 Benchmark]: TraceAbstraction took 5048.68ms. Allocated memory was 113.2MB in the beginning and 138.4MB in the end (delta: 25.2MB). Free memory was 47.6MB in the beginning and 54.4MB in the end (delta: -6.8MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2023-02-16 04:08:25,252 INFO L158 Benchmark]: Witness Printer took 36.20ms. Allocated memory is still 138.4MB. Free memory was 54.4MB in the beginning and 52.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-16 04:08:25,253 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory was 84.7MB in the beginning and 84.6MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 163.13ms. Allocated memory is still 113.2MB. Free memory was 70.3MB in the beginning and 60.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.21ms. Allocated memory is still 113.2MB. Free memory was 60.5MB in the beginning and 59.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.92ms. Allocated memory is still 113.2MB. Free memory was 58.8MB in the beginning and 57.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 259.89ms. Allocated memory is still 113.2MB. Free memory was 57.7MB in the beginning and 48.3MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5048.68ms. Allocated memory was 113.2MB in the beginning and 138.4MB in the end (delta: 25.2MB). Free memory was 47.6MB in the beginning and 54.4MB in the end (delta: -6.8MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * Witness Printer took 36.20ms. Allocated memory is still 138.4MB. Free memory was 54.4MB in the beginning and 52.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 8, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 186 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 186 mSDsluCounter, 210 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 154 mSDsCounter, 85 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 643 IncrementalHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 85 mSolverCounterUnsat, 56 mSDtfsCounter, 643 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 257 GetRequests, 123 SyntacticMatches, 2 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1095 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=6, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 10 NumberOfFragments, 76 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 455 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 188 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 1207 SizeOfPredicates, 32 NumberOfNonLiveVariables, 260 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 16 InterpolantComputations, 4 PerfectInterpolantSequences, 123/357 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((((((((n < aux-j++-aux + 4 || 0 < k + 2147483645) && (0 < k + 2147483647 || n < aux-j++-aux + 2)) && n <= 2147483647) && 0 < k + 2147483648) && (0 < k + 2147483643 || n < aux-j++-aux + 6)) && n <= j + k) && 0 <= j) && (n < aux-j++-aux + 3 || 0 < k + 2147483646)) && k <= 2147483647) && (0 < k + 2147483644 || n < aux-j++-aux + 5) RESULT: Ultimate proved your program to be correct! [2023-02-16 04:08:25,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE