./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-memory-alloca/Urban-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3dbbec33 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-memory-alloca/Urban-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1d6689857addc69d8e93b105a4c59c28f3ca430e8db3cb8066938aeb93b34a30 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3dbbec3 [2023-02-14 14:32:53,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 14:32:53,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 14:32:53,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 14:32:53,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 14:32:53,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 14:32:53,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 14:32:53,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 14:32:53,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 14:32:53,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 14:32:53,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 14:32:53,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 14:32:53,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 14:32:53,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 14:32:53,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 14:32:53,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 14:32:53,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 14:32:53,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 14:32:53,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 14:32:53,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 14:32:53,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 14:32:53,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 14:32:53,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 14:32:53,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 14:32:53,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 14:32:53,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 14:32:53,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 14:32:53,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 14:32:53,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 14:32:53,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 14:32:53,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 14:32:53,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 14:32:53,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 14:32:53,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 14:32:53,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 14:32:53,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 14:32:53,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 14:32:53,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 14:32:53,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 14:32:53,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 14:32:53,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 14:32:53,703 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-14 14:32:53,720 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 14:32:53,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 14:32:53,721 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 14:32:53,722 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 14:32:53,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 14:32:53,722 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 14:32:53,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 14:32:53,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 14:32:53,724 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 14:32:53,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 14:32:53,724 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-14 14:32:53,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 14:32:53,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 14:32:53,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-14 14:32:53,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 14:32:53,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-14 14:32:53,725 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-14 14:32:53,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 14:32:53,726 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 14:32:53,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-14 14:32:53,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 14:32:53,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 14:32:53,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 14:32:53,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 14:32:53,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 14:32:53,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 14:32:53,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-14 14:32:53,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-14 14:32:53,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-14 14:32:53,727 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 14:32:53,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-14 14:32:53,728 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 14:32:53,728 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 14:32:53,728 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 14:32:53,728 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d6689857addc69d8e93b105a4c59c28f3ca430e8db3cb8066938aeb93b34a30 [2023-02-14 14:32:53,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 14:32:53,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 14:32:53,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 14:32:53,961 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 14:32:53,961 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 14:32:53,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/Urban-alloca-2.i [2023-02-14 14:32:54,910 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 14:32:55,084 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 14:32:55,085 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/Urban-alloca-2.i [2023-02-14 14:32:55,107 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e16b464d/f9b6cd80340b44e880f9f0177743c2fe/FLAG16ccd5675 [2023-02-14 14:32:55,117 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e16b464d/f9b6cd80340b44e880f9f0177743c2fe [2023-02-14 14:32:55,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 14:32:55,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 14:32:55,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 14:32:55,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 14:32:55,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 14:32:55,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:32:55" (1/1) ... [2023-02-14 14:32:55,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dbed337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:32:55, skipping insertion in model container [2023-02-14 14:32:55,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:32:55" (1/1) ... [2023-02-14 14:32:55,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 14:32:55,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 14:32:55,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 14:32:55,342 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 14:32:55,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 14:32:55,396 INFO L208 MainTranslator]: Completed translation [2023-02-14 14:32:55,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:32:55 WrapperNode [2023-02-14 14:32:55,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 14:32:55,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 14:32:55,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 14:32:55,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 14:32:55,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:32:55" (1/1) ... [2023-02-14 14:32:55,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:32:55" (1/1) ... [2023-02-14 14:32:55,429 INFO L138 Inliner]: procedures = 110, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 72 [2023-02-14 14:32:55,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 14:32:55,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 14:32:55,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 14:32:55,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 14:32:55,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:32:55" (1/1) ... [2023-02-14 14:32:55,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:32:55" (1/1) ... [2023-02-14 14:32:55,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:32:55" (1/1) ... [2023-02-14 14:32:55,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:32:55" (1/1) ... [2023-02-14 14:32:55,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:32:55" (1/1) ... [2023-02-14 14:32:55,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:32:55" (1/1) ... [2023-02-14 14:32:55,442 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:32:55" (1/1) ... [2023-02-14 14:32:55,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:32:55" (1/1) ... [2023-02-14 14:32:55,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 14:32:55,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 14:32:55,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 14:32:55,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 14:32:55,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:32:55" (1/1) ... [2023-02-14 14:32:55,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 14:32:55,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:32:55,475 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) [2023-02-14 14:32:55,488 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 [2023-02-14 14:32:55,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-14 14:32:55,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-14 14:32:55,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-14 14:32:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-14 14:32:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 14:32:55,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 14:32:55,585 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 14:32:55,586 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 14:32:55,707 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 14:32:55,711 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 14:32:55,711 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-14 14:32:55,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:32:55 BoogieIcfgContainer [2023-02-14 14:32:55,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 14:32:55,714 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 14:32:55,714 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 14:32:55,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 14:32:55,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 02:32:55" (1/3) ... [2023-02-14 14:32:55,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8e6cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:32:55, skipping insertion in model container [2023-02-14 14:32:55,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:32:55" (2/3) ... [2023-02-14 14:32:55,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8e6cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:32:55, skipping insertion in model container [2023-02-14 14:32:55,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:32:55" (3/3) ... [2023-02-14 14:32:55,718 INFO L112 eAbstractionObserver]: Analyzing ICFG Urban-alloca-2.i [2023-02-14 14:32:55,729 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 14:32:55,729 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-02-14 14:32:55,756 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-14 14:32:55,761 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;@208e84a0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-14 14:32:55,761 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-02-14 14:32:55,763 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 19 states have (on average 1.736842105263158) internal successors, (33), 27 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) [2023-02-14 14:32:55,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-14 14:32:55,767 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:32:55,768 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:32:55,768 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-14 14:32:55,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:32:55,771 INFO L85 PathProgramCache]: Analyzing trace with hash 177749354, now seen corresponding path program 1 times [2023-02-14 14:32:55,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:32:55,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262778708] [2023-02-14 14:32:55,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:32:55,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:32:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:32:55,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:32:55,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:32:55,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262778708] [2023-02-14 14:32:55,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262778708] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:32:55,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:32:55,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-14 14:32:55,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262999329] [2023-02-14 14:32:55,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:32:55,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-14 14:32:55,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:32:56,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-14 14:32:56,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-14 14:32:56,017 INFO L87 Difference]: Start difference. First operand has 28 states, 19 states have (on average 1.736842105263158) internal successors, (33), 27 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) Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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) [2023-02-14 14:32:56,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:32:56,076 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2023-02-14 14:32:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-14 14:32:56,077 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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 [2023-02-14 14:32:56,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:32:56,083 INFO L225 Difference]: With dead ends: 32 [2023-02-14 14:32:56,083 INFO L226 Difference]: Without dead ends: 23 [2023-02-14 14:32:56,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-14 14:32:56,087 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 9 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:32:56,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 72 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:32:56,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2023-02-14 14:32:56,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-02-14 14:32:56,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.6875) internal successors, (27), 22 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:32:56,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2023-02-14 14:32:56,106 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 8 [2023-02-14 14:32:56,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:32:56,106 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2023-02-14 14:32:56,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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) [2023-02-14 14:32:56,107 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-02-14 14:32:56,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-14 14:32:56,107 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:32:56,107 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:32:56,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-14 14:32:56,108 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-14 14:32:56,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:32:56,109 INFO L85 PathProgramCache]: Analyzing trace with hash 177749546, now seen corresponding path program 1 times [2023-02-14 14:32:56,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:32:56,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194335578] [2023-02-14 14:32:56,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:32:56,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:32:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:32:56,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:32:56,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:32:56,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194335578] [2023-02-14 14:32:56,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194335578] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:32:56,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:32:56,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-14 14:32:56,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118495526] [2023-02-14 14:32:56,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:32:56,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-14 14:32:56,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:32:56,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-14 14:32:56,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-14 14:32:56,277 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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) [2023-02-14 14:32:56,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:32:56,325 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2023-02-14 14:32:56,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-14 14:32:56,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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 [2023-02-14 14:32:56,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:32:56,326 INFO L225 Difference]: With dead ends: 23 [2023-02-14 14:32:56,326 INFO L226 Difference]: Without dead ends: 22 [2023-02-14 14:32:56,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-02-14 14:32:56,328 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 17 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:32:56,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 32 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:32:56,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-02-14 14:32:56,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-02-14 14:32:56,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.625) internal successors, (26), 21 states have internal predecessors, (26), 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) [2023-02-14 14:32:56,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2023-02-14 14:32:56,334 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 8 [2023-02-14 14:32:56,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:32:56,334 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2023-02-14 14:32:56,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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) [2023-02-14 14:32:56,335 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-02-14 14:32:56,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-14 14:32:56,336 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:32:56,337 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:32:56,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-14 14:32:56,337 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-14 14:32:56,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:32:56,340 INFO L85 PathProgramCache]: Analyzing trace with hash 177765242, now seen corresponding path program 1 times [2023-02-14 14:32:56,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:32:56,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958594508] [2023-02-14 14:32:56,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:32:56,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:32:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:32:56,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:32:56,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:32:56,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958594508] [2023-02-14 14:32:56,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958594508] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:32:56,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:32:56,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-14 14:32:56,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885158670] [2023-02-14 14:32:56,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:32:56,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-14 14:32:56,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:32:56,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-14 14:32:56,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-14 14:32:56,483 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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) [2023-02-14 14:32:56,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:32:56,545 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2023-02-14 14:32:56,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-14 14:32:56,546 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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 [2023-02-14 14:32:56,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:32:56,547 INFO L225 Difference]: With dead ends: 42 [2023-02-14 14:32:56,548 INFO L226 Difference]: Without dead ends: 41 [2023-02-14 14:32:56,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-02-14 14:32:56,549 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 17 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:32:56,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 42 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:32:56,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-02-14 14:32:56,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 29. [2023-02-14 14:32:56,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 23 states have (on average 1.608695652173913) internal successors, (37), 28 states have internal predecessors, (37), 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) [2023-02-14 14:32:56,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2023-02-14 14:32:56,558 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 37 transitions. Word has length 8 [2023-02-14 14:32:56,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:32:56,559 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 37 transitions. [2023-02-14 14:32:56,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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) [2023-02-14 14:32:56,559 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2023-02-14 14:32:56,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-14 14:32:56,560 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:32:56,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:32:56,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-14 14:32:56,561 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-14 14:32:56,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:32:56,562 INFO L85 PathProgramCache]: Analyzing trace with hash 177765434, now seen corresponding path program 1 times [2023-02-14 14:32:56,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:32:56,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155705639] [2023-02-14 14:32:56,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:32:56,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:32:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:32:56,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:32:56,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:32:56,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155705639] [2023-02-14 14:32:56,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155705639] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:32:56,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:32:56,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-14 14:32:56,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967058548] [2023-02-14 14:32:56,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:32:56,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-14 14:32:56,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:32:56,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-14 14:32:56,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-14 14:32:56,650 INFO L87 Difference]: Start difference. First operand 29 states and 37 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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) [2023-02-14 14:32:56,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:32:56,682 INFO L93 Difference]: Finished difference Result 29 states and 37 transitions. [2023-02-14 14:32:56,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-14 14:32:56,683 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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 [2023-02-14 14:32:56,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:32:56,683 INFO L225 Difference]: With dead ends: 29 [2023-02-14 14:32:56,684 INFO L226 Difference]: Without dead ends: 28 [2023-02-14 14:32:56,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-02-14 14:32:56,685 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 30 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:32:56,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 29 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:32:56,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2023-02-14 14:32:56,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2023-02-14 14:32:56,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.565217391304348) internal successors, (36), 27 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) [2023-02-14 14:32:56,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2023-02-14 14:32:56,698 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 36 transitions. Word has length 8 [2023-02-14 14:32:56,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:32:56,698 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 36 transitions. [2023-02-14 14:32:56,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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) [2023-02-14 14:32:56,698 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2023-02-14 14:32:56,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-14 14:32:56,699 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:32:56,699 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:32:56,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-14 14:32:56,699 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-14 14:32:56,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:32:56,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1215262736, now seen corresponding path program 1 times [2023-02-14 14:32:56,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:32:56,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277305734] [2023-02-14 14:32:56,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:32:56,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:32:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:32:56,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:32:56,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:32:56,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277305734] [2023-02-14 14:32:56,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277305734] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:32:56,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:32:56,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-14 14:32:56,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913118266] [2023-02-14 14:32:56,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:32:56,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-14 14:32:56,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:32:56,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-14 14:32:56,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-14 14:32:56,816 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:32:56,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:32:56,847 INFO L93 Difference]: Finished difference Result 28 states and 36 transitions. [2023-02-14 14:32:56,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-14 14:32:56,848 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-02-14 14:32:56,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:32:56,848 INFO L225 Difference]: With dead ends: 28 [2023-02-14 14:32:56,848 INFO L226 Difference]: Without dead ends: 27 [2023-02-14 14:32:56,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-02-14 14:32:56,849 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 14 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:32:56,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 29 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:32:56,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-02-14 14:32:56,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-02-14 14:32:56,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 26 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) [2023-02-14 14:32:56,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2023-02-14 14:32:56,852 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 9 [2023-02-14 14:32:56,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:32:56,852 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2023-02-14 14:32:56,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:32:56,853 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2023-02-14 14:32:56,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-14 14:32:56,853 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:32:56,853 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:32:56,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-14 14:32:56,854 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-14 14:32:56,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:32:56,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1215268694, now seen corresponding path program 1 times [2023-02-14 14:32:56,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:32:56,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505219176] [2023-02-14 14:32:56,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:32:56,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:32:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:32:56,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:32:56,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:32:56,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505219176] [2023-02-14 14:32:56,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505219176] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:32:56,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:32:56,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:32:56,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019634049] [2023-02-14 14:32:56,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:32:56,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-14 14:32:56,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:32:56,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-14 14:32:56,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-14 14:32:56,908 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:32:56,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:32:56,931 INFO L93 Difference]: Finished difference Result 27 states and 35 transitions. [2023-02-14 14:32:56,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-14 14:32:56,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-02-14 14:32:56,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:32:56,932 INFO L225 Difference]: With dead ends: 27 [2023-02-14 14:32:56,933 INFO L226 Difference]: Without dead ends: 26 [2023-02-14 14:32:56,933 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 [2023-02-14 14:32:56,934 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 13 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:32:56,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 22 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:32:56,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-02-14 14:32:56,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2023-02-14 14:32:56,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 25 states have internal predecessors, (34), 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) [2023-02-14 14:32:56,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 34 transitions. [2023-02-14 14:32:56,940 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 34 transitions. Word has length 9 [2023-02-14 14:32:56,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:32:56,941 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 34 transitions. [2023-02-14 14:32:56,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:32:56,941 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2023-02-14 14:32:56,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-14 14:32:56,942 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:32:56,942 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:32:56,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-14 14:32:56,942 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-14 14:32:56,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:32:56,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1215755280, now seen corresponding path program 1 times [2023-02-14 14:32:56,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:32:56,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098666759] [2023-02-14 14:32:56,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:32:56,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:32:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:32:56,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:32:56,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:32:56,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098666759] [2023-02-14 14:32:56,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098666759] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:32:56,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:32:56,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-14 14:32:56,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524731277] [2023-02-14 14:32:56,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:32:56,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-14 14:32:56,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:32:56,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-14 14:32:56,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-14 14:32:56,996 INFO L87 Difference]: Start difference. First operand 26 states and 34 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:32:57,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:32:57,027 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2023-02-14 14:32:57,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-14 14:32:57,027 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-02-14 14:32:57,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:32:57,028 INFO L225 Difference]: With dead ends: 26 [2023-02-14 14:32:57,028 INFO L226 Difference]: Without dead ends: 25 [2023-02-14 14:32:57,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-14 14:32:57,030 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 7 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:32:57,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 37 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:32:57,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-02-14 14:32:57,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-02-14 14:32:57,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 23 states have (on average 1.391304347826087) internal successors, (32), 24 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:32:57,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2023-02-14 14:32:57,041 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 9 [2023-02-14 14:32:57,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:32:57,041 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions. [2023-02-14 14:32:57,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:32:57,041 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-02-14 14:32:57,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-14 14:32:57,042 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:32:57,042 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:32:57,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-14 14:32:57,042 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-14 14:32:57,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:32:57,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1215761238, now seen corresponding path program 1 times [2023-02-14 14:32:57,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:32:57,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519317308] [2023-02-14 14:32:57,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:32:57,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:32:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:32:57,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:32:57,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:32:57,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519317308] [2023-02-14 14:32:57,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519317308] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:32:57,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:32:57,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:32:57,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934793234] [2023-02-14 14:32:57,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:32:57,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-14 14:32:57,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:32:57,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-14 14:32:57,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-14 14:32:57,107 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:32:57,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:32:57,129 INFO L93 Difference]: Finished difference Result 25 states and 32 transitions. [2023-02-14 14:32:57,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-14 14:32:57,129 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-02-14 14:32:57,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:32:57,131 INFO L225 Difference]: With dead ends: 25 [2023-02-14 14:32:57,131 INFO L226 Difference]: Without dead ends: 24 [2023-02-14 14:32:57,131 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 [2023-02-14 14:32:57,132 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 11 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:32:57,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 18 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:32:57,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-02-14 14:32:57,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2023-02-14 14:32:57,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 23 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:32:57,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2023-02-14 14:32:57,142 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 31 transitions. Word has length 9 [2023-02-14 14:32:57,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:32:57,143 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 31 transitions. [2023-02-14 14:32:57,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:32:57,143 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2023-02-14 14:32:57,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-14 14:32:57,143 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:32:57,144 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:32:57,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-14 14:32:57,148 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-14 14:32:57,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:32:57,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1122825544, now seen corresponding path program 1 times [2023-02-14 14:32:57,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:32:57,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603535589] [2023-02-14 14:32:57,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:32:57,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:32:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:32:57,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:32:57,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:32:57,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603535589] [2023-02-14 14:32:57,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603535589] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:32:57,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802014036] [2023-02-14 14:32:57,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:32:57,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:32:57,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:32:57,300 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) [2023-02-14 14:32:57,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-14 14:32:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:32:57,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 25 conjunts are in the unsatisfiable core [2023-02-14 14:32:57,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:32:57,506 INFO L321 Elim1Store]: treesize reduction 17, result has 51.4 percent of original size [2023-02-14 14:32:57,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 63 [2023-02-14 14:32:57,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2023-02-14 14:32:57,544 INFO L321 Elim1Store]: treesize reduction 34, result has 34.6 percent of original size [2023-02-14 14:32:57,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 74 [2023-02-14 14:32:57,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2023-02-14 14:32:57,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2023-02-14 14:32:57,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2023-02-14 14:32:57,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-02-14 14:32:57,736 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-14 14:32:57,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 20 [2023-02-14 14:32:57,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:32:57,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:33:04,023 INFO L321 Elim1Store]: treesize reduction 32, result has 36.0 percent of original size [2023-02-14 14:33:04,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 78 treesize of output 63 [2023-02-14 14:33:04,036 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-14 14:33:04,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 23 [2023-02-14 14:33:04,057 INFO L321 Elim1Store]: treesize reduction 17, result has 59.5 percent of original size [2023-02-14 14:33:04,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 42 treesize of output 62 [2023-02-14 14:33:04,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 82 [2023-02-14 14:33:04,074 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-02-14 14:33:04,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 39 [2023-02-14 14:33:04,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 60 [2023-02-14 14:33:04,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 57 [2023-02-14 14:33:06,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:33:06,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802014036] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:33:06,118 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:33:06,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 23 [2023-02-14 14:33:06,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739428082] [2023-02-14 14:33:06,118 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:33:06,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-14 14:33:06,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:33:06,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-14 14:33:06,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=443, Unknown=6, NotChecked=0, Total=552 [2023-02-14 14:33:06,119 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. Second operand has 24 states, 23 states have (on average 1.826086956521739) internal successors, (42), 24 states have internal predecessors, (42), 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) [2023-02-14 14:33:10,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-02-14 14:33:13,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-02-14 14:33:15,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-02-14 14:33:17,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-02-14 14:33:19,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-02-14 14:33:33,486 WARN L233 SmtUtils]: Spent 14.35s on a formula simplification. DAG size of input: 42 DAG size of output: 41 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-02-14 14:33:47,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-02-14 14:33:49,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-02-14 14:33:51,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-02-14 14:33:53,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-02-14 14:34:00,025 WARN L233 SmtUtils]: Spent 6.06s on a formula simplification. DAG size of input: 41 DAG size of output: 39 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-02-14 14:34:02,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-02-14 14:34:04,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-02-14 14:34:06,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-02-14 14:34:08,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-02-14 14:34:10,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-02-14 14:34:12,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-02-14 14:34:23,851 WARN L233 SmtUtils]: Spent 9.59s on a formula simplification. DAG size of input: 36 DAG size of output: 33 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-02-14 14:34:25,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-02-14 14:34:27,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-02-14 14:34:29,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-02-14 14:34:31,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-02-14 14:34:33,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-02-14 14:34:35,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-02-14 14:34:37,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-02-14 14:34:39,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-02-14 14:34:42,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-02-14 14:34:44,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-02-14 14:34:46,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-02-14 14:34:48,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-02-14 14:34:58,401 WARN L233 SmtUtils]: Spent 8.13s on a formula simplification. DAG size of input: 44 DAG size of output: 40 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-02-14 14:35:00,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-02-14 14:35:04,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:35:04,632 INFO L93 Difference]: Finished difference Result 71 states and 95 transitions. [2023-02-14 14:35:04,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-02-14 14:35:04,633 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.826086956521739) internal successors, (42), 24 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-02-14 14:35:04,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:35:04,633 INFO L225 Difference]: With dead ends: 71 [2023-02-14 14:35:04,633 INFO L226 Difference]: Without dead ends: 0 [2023-02-14 14:35:04,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 69.1s TimeCoverageRelationStatistics Valid=376, Invalid=1174, Unknown=10, NotChecked=0, Total=1560 [2023-02-14 14:35:04,634 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 95 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 26 mSolverCounterUnsat, 33 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 33 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.8s IncrementalHoareTripleChecker+Time [2023-02-14 14:35:04,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 56 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 288 Invalid, 33 Unknown, 0 Unchecked, 57.8s Time] [2023-02-14 14:35:04,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-14 14:35:04,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-14 14:35:04,635 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) [2023-02-14 14:35:04,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-14 14:35:04,635 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2023-02-14 14:35:04,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:35:04,635 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-14 14:35:04,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.826086956521739) internal successors, (42), 24 states have internal predecessors, (42), 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) [2023-02-14 14:35:04,635 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-14 14:35:04,635 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-14 14:35:04,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-02-14 14:35:04,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-02-14 14:35:04,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-02-14 14:35:04,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-02-14 14:35:04,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-02-14 14:35:04,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-02-14 14:35:04,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-02-14 14:35:04,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-02-14 14:35:04,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-14 14:35:04,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:35:04,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-14 14:35:10,920 WARN L233 SmtUtils]: Spent 6.07s on a formula simplification. DAG size of input: 47 DAG size of output: 36 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-02-14 14:35:10,922 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2023-02-14 14:35:10,922 INFO L899 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2023-02-14 14:35:10,922 INFO L899 garLoopResultBuilder]: For program point L564-1(line 564) no Hoare annotation was computed. [2023-02-14 14:35:10,922 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 564) no Hoare annotation was computed. [2023-02-14 14:35:10,922 INFO L899 garLoopResultBuilder]: For program point L552-1(line 552) no Hoare annotation was computed. [2023-02-14 14:35:10,922 INFO L899 garLoopResultBuilder]: For program point L552-3(lines 552 568) no Hoare annotation was computed. [2023-02-14 14:35:10,922 INFO L899 garLoopResultBuilder]: For program point L552-5(lines 552 568) no Hoare annotation was computed. [2023-02-14 14:35:10,922 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-14 14:35:10,922 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 555) no Hoare annotation was computed. [2023-02-14 14:35:10,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 562) no Hoare annotation was computed. [2023-02-14 14:35:10,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-14 14:35:10,923 INFO L899 garLoopResultBuilder]: For program point L561(lines 561 566) no Hoare annotation was computed. [2023-02-14 14:35:10,923 INFO L895 garLoopResultBuilder]: At program point L561-2(lines 552 568) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|))) (let ((.cse1 (select .cse0 |ULTIMATE.start_main_~x~0#1.offset|))) (and (not (= |ULTIMATE.start_main_~y~0#1.base| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (forall ((v_ArrVal_124 Int) (|ULTIMATE.start_main_~y~0#1.base| Int) (v_ArrVal_125 (Array Int Int))) (or (< 0 (+ 2147483650 (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store .cse0 |ULTIMATE.start_main_~x~0#1.offset| (+ (- 1) .cse1))) |ULTIMATE.start_main_~y~0#1.base| (store (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_125) |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset| v_ArrVal_124)) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (< v_ArrVal_124 1))) (<= (select (select |#memory_int| |ULTIMATE.start_main_~y~0#1.base|) |ULTIMATE.start_main_~y~0#1.offset|) 2147483647) (<= .cse1 2147483647)))) [2023-02-14 14:35:10,923 INFO L899 garLoopResultBuilder]: For program point L553(lines 553 567) no Hoare annotation was computed. [2023-02-14 14:35:10,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 555) no Hoare annotation was computed. [2023-02-14 14:35:10,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-14 14:35:10,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 562) no Hoare annotation was computed. [2023-02-14 14:35:10,923 INFO L899 garLoopResultBuilder]: For program point L562(line 562) no Hoare annotation was computed. [2023-02-14 14:35:10,923 INFO L899 garLoopResultBuilder]: For program point L562-1(line 562) no Hoare annotation was computed. [2023-02-14 14:35:10,923 INFO L899 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2023-02-14 14:35:10,923 INFO L899 garLoopResultBuilder]: For program point L558-1(line 558) no Hoare annotation was computed. [2023-02-14 14:35:10,923 INFO L899 garLoopResultBuilder]: For program point L554(lines 554 559) no Hoare annotation was computed. [2023-02-14 14:35:10,923 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-14 14:35:10,924 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2023-02-14 14:35:10,924 INFO L899 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2023-02-14 14:35:10,924 INFO L899 garLoopResultBuilder]: For program point L555-1(line 555) no Hoare annotation was computed. [2023-02-14 14:35:10,924 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 564) no Hoare annotation was computed. [2023-02-14 14:35:10,924 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 569) no Hoare annotation was computed. [2023-02-14 14:35:10,926 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:35:10,928 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-14 14:35:10,932 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_125,QUANTIFIED] [2023-02-14 14:35:10,933 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0#1.base,QUANTIFIED] [2023-02-14 14:35:10,933 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_124,QUANTIFIED] [2023-02-14 14:35:10,933 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0#1.base,QUANTIFIED] [2023-02-14 14:35:10,933 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_124,QUANTIFIED] [2023-02-14 14:35:10,939 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_125,QUANTIFIED] [2023-02-14 14:35:10,939 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0#1.base,QUANTIFIED] [2023-02-14 14:35:10,939 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_124,QUANTIFIED] [2023-02-14 14:35:10,940 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0#1.base,QUANTIFIED] [2023-02-14 14:35:10,940 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_124,QUANTIFIED] [2023-02-14 14:35:10,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.02 02:35:10 BoogieIcfgContainer [2023-02-14 14:35:10,941 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-14 14:35:10,942 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-14 14:35:10,942 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-14 14:35:10,942 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-14 14:35:10,942 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:32:55" (3/4) ... [2023-02-14 14:35:10,957 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-14 14:35:10,964 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-02-14 14:35:10,964 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-02-14 14:35:10,965 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-14 14:35:10,965 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-14 14:35:10,996 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-14 14:35:10,996 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-14 14:35:10,997 INFO L158 Benchmark]: Toolchain (without parser) took 135876.35ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 121.0MB in the beginning and 148.9MB in the end (delta: -28.0MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2023-02-14 14:35:10,997 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 140.5MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 14:35:10,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.40ms. Allocated memory is still 169.9MB. Free memory was 121.0MB in the beginning and 105.6MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-02-14 14:35:10,997 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.91ms. Allocated memory is still 169.9MB. Free memory was 105.5MB in the beginning and 103.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 14:35:10,999 INFO L158 Benchmark]: Boogie Preprocessor took 23.71ms. Allocated memory is still 169.9MB. Free memory was 103.4MB in the beginning and 102.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 14:35:11,001 INFO L158 Benchmark]: RCFGBuilder took 258.64ms. Allocated memory is still 169.9MB. Free memory was 102.0MB in the beginning and 90.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-02-14 14:35:11,001 INFO L158 Benchmark]: TraceAbstraction took 135227.19ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 89.5MB in the beginning and 152.1MB in the end (delta: -62.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 14:35:11,001 INFO L158 Benchmark]: Witness Printer took 54.01ms. Allocated memory is still 205.5MB. Free memory was 152.1MB in the beginning and 148.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-14 14:35:11,003 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 140.5MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.40ms. Allocated memory is still 169.9MB. Free memory was 121.0MB in the beginning and 105.6MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.91ms. Allocated memory is still 169.9MB. Free memory was 105.5MB in the beginning and 103.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.71ms. Allocated memory is still 169.9MB. Free memory was 103.4MB in the beginning and 102.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 258.64ms. Allocated memory is still 169.9MB. Free memory was 102.0MB in the beginning and 90.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 135227.19ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 89.5MB in the beginning and 152.1MB in the end (delta: -62.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 54.01ms. Allocated memory is still 205.5MB. Free memory was 152.1MB in the beginning and 148.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_125,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0#1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_124,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0#1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_124,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_125,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0#1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_124,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0#1.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_124,QUANTIFIED] * 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: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 562]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 562]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 564]: 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, 28 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 135.2s, OverallIterations: 9, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 118.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 33 mSolverCounterUnknown, 213 SdHoareTripleChecker+Valid, 58.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 213 mSDsluCounter, 337 SdHoareTripleChecker+Invalid, 57.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 224 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 569 IncrementalHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 113 mSDtfsCounter, 569 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 69.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=3, InterpolantAutomatonStates: 57, 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, 9 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 6 NumberOfFragments, 61 HoareAnnotationTreeSize, 1 FomulaSimplifications, 50 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 146 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 9.6s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 102 ConstructedInterpolants, 7 QuantifiedInterpolants, 819 SizeOfPredicates, 11 NumberOfNonLiveVariables, 102 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 2/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 552]: Loop Invariant [2023-02-14 14:35:11,019 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_125,QUANTIFIED] [2023-02-14 14:35:11,019 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0#1.base,QUANTIFIED] [2023-02-14 14:35:11,019 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_124,QUANTIFIED] [2023-02-14 14:35:11,019 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0#1.base,QUANTIFIED] [2023-02-14 14:35:11,020 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_124,QUANTIFIED] [2023-02-14 14:35:11,020 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_125,QUANTIFIED] [2023-02-14 14:35:11,022 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0#1.base,QUANTIFIED] [2023-02-14 14:35:11,022 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_124,QUANTIFIED] [2023-02-14 14:35:11,022 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0#1.base,QUANTIFIED] [2023-02-14 14:35:11,022 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_124,QUANTIFIED] Derived loop invariant: (((!(y == x) && x == 0) && (forall v_ArrVal_124 : int, ULTIMATE.start_main_~y~0#1.base : int, v_ArrVal_125 : [int]int :: 0 < 2147483650 + unknown-#memory_int-unknown[x := unknown-#memory_int-unknown[x][x := -1 + unknown-#memory_int-unknown[x][x]]][ULTIMATE.start_main_~y~0#1.base := unknown-#memory_int-unknown[x := v_ArrVal_125][ULTIMATE.start_main_~y~0#1.base][y := v_ArrVal_124]][x][x] || v_ArrVal_124 < 1)) && unknown-#memory_int-unknown[y][y] <= 2147483647) && unknown-#memory_int-unknown[x][x] <= 2147483647 RESULT: Ultimate proved your program to be correct! [2023-02-14 14:35:11,059 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