./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-restricted-15/b.06.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 26d01a9c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-restricted-15/b.06.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cec1cb80cc444268f4d15edbfcfbc42fd6cec25bcc627308222b3bf585ff5fd0 --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-17 04:06:51,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 04:06:51,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 04:06:51,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 04:06:51,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 04:06:51,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 04:06:51,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 04:06:51,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 04:06:51,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 04:06:51,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 04:06:51,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 04:06:51,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 04:06:51,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 04:06:51,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 04:06:51,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 04:06:51,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 04:06:51,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 04:06:51,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 04:06:51,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 04:06:51,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 04:06:51,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 04:06:51,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 04:06:51,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 04:06:51,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 04:06:51,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 04:06:51,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 04:06:51,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 04:06:51,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 04:06:51,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 04:06:51,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 04:06:51,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 04:06:51,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 04:06:51,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 04:06:51,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 04:06:51,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 04:06:51,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 04:06:51,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 04:06:51,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 04:06:51,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 04:06:51,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 04:06:51,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 04:06:51,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-17 04:06:51,825 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 04:06:51,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 04:06:51,826 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 04:06:51,826 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 04:06:51,827 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-17 04:06:51,828 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-17 04:06:51,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 04:06:51,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 04:06:51,828 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 04:06:51,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 04:06:51,830 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-17 04:06:51,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 04:06:51,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 04:06:51,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-17 04:06:51,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-17 04:06:51,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-17 04:06:51,831 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-17 04:06:51,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-17 04:06:51,831 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 04:06:51,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-17 04:06:51,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 04:06:51,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 04:06:51,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-17 04:06:51,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 04:06:51,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 04:06:51,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-17 04:06:51,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-17 04:06:51,833 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 04:06:51,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-17 04:06:51,833 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-17 04:06:51,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-17 04:06:51,833 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-17 04:06:51,834 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-17 04:06:51,834 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-17 04:06:51,834 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cec1cb80cc444268f4d15edbfcfbc42fd6cec25bcc627308222b3bf585ff5fd0 [2023-02-17 04:06:52,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 04:06:52,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 04:06:52,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 04:06:52,115 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 04:06:52,116 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 04:06:52,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/b.06.c [2023-02-17 04:06:53,267 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 04:06:53,455 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 04:06:53,455 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/b.06.c [2023-02-17 04:06:53,460 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efd6242df/4bf077839ecc40e4b85458f91d4d3301/FLAGbe227f21e [2023-02-17 04:06:53,479 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efd6242df/4bf077839ecc40e4b85458f91d4d3301 [2023-02-17 04:06:53,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 04:06:53,484 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 04:06:53,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 04:06:53,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 04:06:53,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 04:06:53,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 04:06:53" (1/1) ... [2023-02-17 04:06:53,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8224478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:53, skipping insertion in model container [2023-02-17 04:06:53,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 04:06:53" (1/1) ... [2023-02-17 04:06:53,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 04:06:53,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 04:06:53,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 04:06:53,642 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 04:06:53,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 04:06:53,663 INFO L208 MainTranslator]: Completed translation [2023-02-17 04:06:53,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:53 WrapperNode [2023-02-17 04:06:53,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 04:06:53,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 04:06:53,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 04:06:53,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 04:06:53,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:53" (1/1) ... [2023-02-17 04:06:53,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:53" (1/1) ... [2023-02-17 04:06:53,689 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2023-02-17 04:06:53,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 04:06:53,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 04:06:53,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 04:06:53,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 04:06:53,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:53" (1/1) ... [2023-02-17 04:06:53,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:53" (1/1) ... [2023-02-17 04:06:53,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:53" (1/1) ... [2023-02-17 04:06:53,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:53" (1/1) ... [2023-02-17 04:06:53,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:53" (1/1) ... [2023-02-17 04:06:53,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:53" (1/1) ... [2023-02-17 04:06:53,707 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:53" (1/1) ... [2023-02-17 04:06:53,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:53" (1/1) ... [2023-02-17 04:06:53,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 04:06:53,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 04:06:53,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 04:06:53,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 04:06:53,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:53" (1/1) ... [2023-02-17 04:06:53,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 04:06:53,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:06:53,745 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) [2023-02-17 04:06:53,769 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 [2023-02-17 04:06:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 04:06:53,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 04:06:53,846 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 04:06:53,848 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 04:06:53,945 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 04:06:53,952 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 04:06:53,953 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-17 04:06:53,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:06:53 BoogieIcfgContainer [2023-02-17 04:06:53,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 04:06:53,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-17 04:06:53,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-17 04:06:53,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-17 04:06:53,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 04:06:53" (1/3) ... [2023-02-17 04:06:53,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21123121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 04:06:53, skipping insertion in model container [2023-02-17 04:06:53,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:53" (2/3) ... [2023-02-17 04:06:53,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21123121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 04:06:53, skipping insertion in model container [2023-02-17 04:06:53,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:06:53" (3/3) ... [2023-02-17 04:06:53,966 INFO L112 eAbstractionObserver]: Analyzing ICFG b.06.c [2023-02-17 04:06:53,982 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-17 04:06:53,983 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-02-17 04:06:54,038 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-17 04:06:54,046 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;@4f18f258, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-17 04:06:54,047 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-02-17 04:06:54,052 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:06:54,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-02-17 04:06:54,058 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:54,059 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-02-17 04:06:54,059 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-17 04:06:54,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:54,066 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2023-02-17 04:06:54,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:54,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256835426] [2023-02-17 04:06:54,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:54,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:54,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:54,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:06:54,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:54,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256835426] [2023-02-17 04:06:54,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256835426] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:54,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:06:54,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-17 04:06:54,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927941990] [2023-02-17 04:06:54,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:54,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 04:06:54,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:54,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 04:06:54,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:54,231 INFO L87 Difference]: Start difference. First operand has 19 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:06:54,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:54,280 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2023-02-17 04:06:54,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 04:06:54,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-02-17 04:06:54,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:54,297 INFO L225 Difference]: With dead ends: 23 [2023-02-17 04:06:54,297 INFO L226 Difference]: Without dead ends: 14 [2023-02-17 04:06:54,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:54,304 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 2 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:54,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 27 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:54,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-02-17 04:06:54,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-02-17 04:06:54,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:06:54,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2023-02-17 04:06:54,372 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 4 [2023-02-17 04:06:54,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:54,372 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2023-02-17 04:06:54,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:06:54,373 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2023-02-17 04:06:54,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-17 04:06:54,373 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:54,373 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-17 04:06:54,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-17 04:06:54,374 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-17 04:06:54,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:54,375 INFO L85 PathProgramCache]: Analyzing trace with hash 28699721, now seen corresponding path program 1 times [2023-02-17 04:06:54,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:54,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208497716] [2023-02-17 04:06:54,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:54,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:54,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:06:54,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:54,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208497716] [2023-02-17 04:06:54,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208497716] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:54,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:06:54,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-17 04:06:54,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113557289] [2023-02-17 04:06:54,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:54,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 04:06:54,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:54,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 04:06:54,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:54,438 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:06:54,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:54,452 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-02-17 04:06:54,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 04:06:54,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-02-17 04:06:54,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:54,467 INFO L225 Difference]: With dead ends: 14 [2023-02-17 04:06:54,467 INFO L226 Difference]: Without dead ends: 13 [2023-02-17 04:06:54,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:54,470 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 8 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:54,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 11 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:54,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-02-17 04:06:54,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-02-17 04:06:54,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:06:54,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2023-02-17 04:06:54,478 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 5 [2023-02-17 04:06:54,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:54,478 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2023-02-17 04:06:54,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:06:54,478 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2023-02-17 04:06:54,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-17 04:06:54,479 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:54,479 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-17 04:06:54,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-17 04:06:54,480 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-17 04:06:54,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:54,486 INFO L85 PathProgramCache]: Analyzing trace with hash 889691398, now seen corresponding path program 1 times [2023-02-17 04:06:54,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:54,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601972076] [2023-02-17 04:06:54,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:54,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:54,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:06:54,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:54,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601972076] [2023-02-17 04:06:54,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601972076] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:54,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:06:54,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-17 04:06:54,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011588316] [2023-02-17 04:06:54,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:54,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 04:06:54,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:54,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 04:06:54,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:54,538 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:06:54,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:54,546 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2023-02-17 04:06:54,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 04:06:54,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-02-17 04:06:54,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:54,547 INFO L225 Difference]: With dead ends: 13 [2023-02-17 04:06:54,547 INFO L226 Difference]: Without dead ends: 12 [2023-02-17 04:06:54,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:54,549 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:54,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 14 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:54,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-02-17 04:06:54,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-02-17 04:06:54,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:06:54,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-02-17 04:06:54,559 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 6 [2023-02-17 04:06:54,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:54,559 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-02-17 04:06:54,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:06:54,560 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-02-17 04:06:54,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-17 04:06:54,560 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:54,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:06:54,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-17 04:06:54,561 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-17 04:06:54,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:54,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1810629611, now seen corresponding path program 1 times [2023-02-17 04:06:54,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:54,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316480492] [2023-02-17 04:06:54,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:54,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:54,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:06:54,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:54,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316480492] [2023-02-17 04:06:54,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316480492] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:54,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:06:54,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-17 04:06:54,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741219500] [2023-02-17 04:06:54,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:54,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 04:06:54,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:54,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 04:06:54,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:54,619 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:06:54,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:54,630 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2023-02-17 04:06:54,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 04:06:54,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-02-17 04:06:54,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:54,632 INFO L225 Difference]: With dead ends: 12 [2023-02-17 04:06:54,632 INFO L226 Difference]: Without dead ends: 11 [2023-02-17 04:06:54,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:54,635 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 4 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:54,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:54,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2023-02-17 04:06:54,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-02-17 04:06:54,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:06:54,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-02-17 04:06:54,639 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-02-17 04:06:54,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:54,640 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-02-17 04:06:54,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:06:54,641 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-02-17 04:06:54,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-17 04:06:54,643 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:54,643 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:06:54,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-17 04:06:54,644 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-17 04:06:54,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:54,644 INFO L85 PathProgramCache]: Analyzing trace with hash 294943144, now seen corresponding path program 1 times [2023-02-17 04:06:54,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:54,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333232350] [2023-02-17 04:06:54,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:54,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:54,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:06:54,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:54,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333232350] [2023-02-17 04:06:54,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333232350] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:54,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:06:54,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-17 04:06:54,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838861785] [2023-02-17 04:06:54,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:54,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 04:06:54,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:54,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 04:06:54,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:54,693 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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) [2023-02-17 04:06:54,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:54,704 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2023-02-17 04:06:54,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 04:06:54,705 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 [2023-02-17 04:06:54,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:54,705 INFO L225 Difference]: With dead ends: 11 [2023-02-17 04:06:54,705 INFO L226 Difference]: Without dead ends: 10 [2023-02-17 04:06:54,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:54,707 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:54,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:54,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-02-17 04:06:54,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-02-17 04:06:54,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 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) [2023-02-17 04:06:54,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-02-17 04:06:54,710 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2023-02-17 04:06:54,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:54,711 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2023-02-17 04:06:54,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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) [2023-02-17 04:06:54,711 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-02-17 04:06:54,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-17 04:06:54,711 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:54,712 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:06:54,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-17 04:06:54,712 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-17 04:06:54,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:54,713 INFO L85 PathProgramCache]: Analyzing trace with hash 553302925, now seen corresponding path program 1 times [2023-02-17 04:06:54,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:54,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890794685] [2023-02-17 04:06:54,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:54,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:54,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:06:54,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:54,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890794685] [2023-02-17 04:06:54,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890794685] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:54,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:06:54,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-17 04:06:54,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852933098] [2023-02-17 04:06:54,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:54,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 04:06:54,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:54,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 04:06:54,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:54,765 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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) [2023-02-17 04:06:54,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:54,774 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2023-02-17 04:06:54,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 04:06:54,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 [2023-02-17 04:06:54,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:54,776 INFO L225 Difference]: With dead ends: 18 [2023-02-17 04:06:54,776 INFO L226 Difference]: Without dead ends: 17 [2023-02-17 04:06:54,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:54,777 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:54,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:54,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2023-02-17 04:06:54,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2023-02-17 04:06:54,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:06:54,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2023-02-17 04:06:54,781 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 9 [2023-02-17 04:06:54,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:54,782 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2023-02-17 04:06:54,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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) [2023-02-17 04:06:54,782 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2023-02-17 04:06:54,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-17 04:06:54,783 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:54,783 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2023-02-17 04:06:54,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-17 04:06:54,783 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-17 04:06:54,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:54,784 INFO L85 PathProgramCache]: Analyzing trace with hash 694335842, now seen corresponding path program 1 times [2023-02-17 04:06:54,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:54,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363181331] [2023-02-17 04:06:54,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:54,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:54,848 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:06:54,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:54,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363181331] [2023-02-17 04:06:54,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363181331] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 04:06:54,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763610736] [2023-02-17 04:06:54,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:54,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:06:54,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:06:54,855 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) [2023-02-17 04:06:54,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-17 04:06:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:54,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-17 04:06:54,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:06:54,963 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:06:54,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 04:06:54,982 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:06:54,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763610736] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 04:06:54,983 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 04:06:54,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-02-17 04:06:54,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689885700] [2023-02-17 04:06:54,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 04:06:54,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-17 04:06:54,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:54,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-17 04:06:54,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-02-17 04:06:54,985 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 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) [2023-02-17 04:06:55,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:55,019 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2023-02-17 04:06:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-17 04:06:55,019 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 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) Word has length 16 [2023-02-17 04:06:55,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:55,020 INFO L225 Difference]: With dead ends: 39 [2023-02-17 04:06:55,020 INFO L226 Difference]: Without dead ends: 38 [2023-02-17 04:06:55,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-02-17 04:06:55,021 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:55,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:55,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-02-17 04:06:55,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-02-17 04:06:55,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.027027027027027) internal successors, (38), 37 states have internal predecessors, (38), 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) [2023-02-17 04:06:55,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2023-02-17 04:06:55,027 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 16 [2023-02-17 04:06:55,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:55,027 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2023-02-17 04:06:55,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 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) [2023-02-17 04:06:55,027 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2023-02-17 04:06:55,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-02-17 04:06:55,028 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:55,028 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 1, 1, 1] [2023-02-17 04:06:55,039 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-02-17 04:06:55,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:06:55,235 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-17 04:06:55,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:55,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1355579315, now seen corresponding path program 2 times [2023-02-17 04:06:55,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:55,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869457384] [2023-02-17 04:06:55,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:55,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:55,347 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:06:55,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:55,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869457384] [2023-02-17 04:06:55,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869457384] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 04:06:55,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097794030] [2023-02-17 04:06:55,347 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-17 04:06:55,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:06:55,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:06:55,349 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 04:06:55,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-17 04:06:55,394 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-17 04:06:55,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 04:06:55,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-17 04:06:55,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:06:55,438 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:06:55,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 04:06:55,505 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:06:55,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097794030] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 04:06:55,505 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 04:06:55,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-02-17 04:06:55,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107824972] [2023-02-17 04:06:55,506 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 04:06:55,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-17 04:06:55,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:55,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-17 04:06:55,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-02-17 04:06:55,508 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 12 states have internal predecessors, (73), 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) [2023-02-17 04:06:55,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:55,564 INFO L93 Difference]: Finished difference Result 81 states and 86 transitions. [2023-02-17 04:06:55,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-17 04:06:55,564 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 12 states have internal predecessors, (73), 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 37 [2023-02-17 04:06:55,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:55,565 INFO L225 Difference]: With dead ends: 81 [2023-02-17 04:06:55,565 INFO L226 Difference]: Without dead ends: 80 [2023-02-17 04:06:55,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 64 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-02-17 04:06:55,567 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:55,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:55,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-02-17 04:06:55,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-02-17 04:06:55,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.0126582278481013) internal successors, (80), 79 states have internal predecessors, (80), 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) [2023-02-17 04:06:55,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2023-02-17 04:06:55,574 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 80 transitions. Word has length 37 [2023-02-17 04:06:55,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:55,575 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 80 transitions. [2023-02-17 04:06:55,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 12 states have internal predecessors, (73), 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) [2023-02-17 04:06:55,575 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2023-02-17 04:06:55,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-02-17 04:06:55,578 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:55,578 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 1, 1, 1] [2023-02-17 04:06:55,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-17 04:06:55,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-02-17 04:06:55,785 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-17 04:06:55,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:55,786 INFO L85 PathProgramCache]: Analyzing trace with hash 654752621, now seen corresponding path program 3 times [2023-02-17 04:06:55,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:55,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035828279] [2023-02-17 04:06:55,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:55,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:56,134 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:06:56,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:56,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035828279] [2023-02-17 04:06:56,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035828279] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 04:06:56,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40242122] [2023-02-17 04:06:56,135 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-17 04:06:56,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:06:56,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:06:56,137 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 04:06:56,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-17 04:06:56,204 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-17 04:06:56,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 04:06:56,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-17 04:06:56,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:06:56,309 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:06:56,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 04:06:56,498 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:06:56,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40242122] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 04:06:56,499 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 04:06:56,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2023-02-17 04:06:56,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407281584] [2023-02-17 04:06:56,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 04:06:56,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-17 04:06:56,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:56,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-17 04:06:56,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-02-17 04:06:56,508 INFO L87 Difference]: Start difference. First operand 80 states and 80 transitions. Second operand has 24 states, 23 states have (on average 6.826086956521739) internal successors, (157), 24 states have internal predecessors, (157), 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) [2023-02-17 04:06:56,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:56,610 INFO L93 Difference]: Finished difference Result 165 states and 176 transitions. [2023-02-17 04:06:56,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-02-17 04:06:56,610 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 6.826086956521739) internal successors, (157), 24 states have internal predecessors, (157), 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 79 [2023-02-17 04:06:56,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:56,617 INFO L225 Difference]: With dead ends: 165 [2023-02-17 04:06:56,617 INFO L226 Difference]: Without dead ends: 164 [2023-02-17 04:06:56,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 136 SyntacticMatches, 10 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-02-17 04:06:56,620 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:56,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:56,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-02-17 04:06:56,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2023-02-17 04:06:56,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 163 states have (on average 1.0061349693251533) internal successors, (164), 163 states have internal predecessors, (164), 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) [2023-02-17 04:06:56,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 164 transitions. [2023-02-17 04:06:56,641 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 164 transitions. Word has length 79 [2023-02-17 04:06:56,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:56,641 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 164 transitions. [2023-02-17 04:06:56,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 6.826086956521739) internal successors, (157), 24 states have internal predecessors, (157), 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) [2023-02-17 04:06:56,642 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 164 transitions. [2023-02-17 04:06:56,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-02-17 04:06:56,650 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:56,650 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 22, 1, 1, 1] [2023-02-17 04:06:56,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-17 04:06:56,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:06:56,857 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-17 04:06:56,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:56,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1762952787, now seen corresponding path program 4 times [2023-02-17 04:06:56,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:56,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262782642] [2023-02-17 04:06:56,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:56,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:57,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 0 proven. 1771 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:06:57,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:57,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262782642] [2023-02-17 04:06:57,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262782642] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 04:06:57,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714537926] [2023-02-17 04:06:57,464 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-17 04:06:57,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:06:57,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:06:57,466 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 04:06:57,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-17 04:06:57,564 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-17 04:06:57,564 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 04:06:57,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 24 conjunts are in the unsatisfiable core [2023-02-17 04:06:57,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:06:57,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 0 proven. 1771 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:06:57,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 04:06:58,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 0 proven. 1771 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:06:58,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714537926] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 04:06:58,528 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 04:06:58,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2023-02-17 04:06:58,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412667808] [2023-02-17 04:06:58,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 04:06:58,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-02-17 04:06:58,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:58,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-02-17 04:06:58,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-02-17 04:06:58,532 INFO L87 Difference]: Start difference. First operand 164 states and 164 transitions. Second operand has 48 states, 47 states have (on average 6.914893617021277) internal successors, (325), 48 states have internal predecessors, (325), 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) [2023-02-17 04:06:58,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:58,719 INFO L93 Difference]: Finished difference Result 333 states and 356 transitions. [2023-02-17 04:06:58,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-02-17 04:06:58,720 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 6.914893617021277) internal successors, (325), 48 states have internal predecessors, (325), 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 163 [2023-02-17 04:06:58,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:58,724 INFO L225 Difference]: With dead ends: 333 [2023-02-17 04:06:58,724 INFO L226 Difference]: Without dead ends: 332 [2023-02-17 04:06:58,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 280 SyntacticMatches, 22 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-02-17 04:06:58,732 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:58,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 241 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:06:58,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2023-02-17 04:06:58,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2023-02-17 04:06:58,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 331 states have (on average 1.0030211480362539) internal successors, (332), 331 states have internal predecessors, (332), 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) [2023-02-17 04:06:58,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 332 transitions. [2023-02-17 04:06:58,758 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 332 transitions. Word has length 163 [2023-02-17 04:06:58,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:58,759 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 332 transitions. [2023-02-17 04:06:58,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 6.914893617021277) internal successors, (325), 48 states have internal predecessors, (325), 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) [2023-02-17 04:06:58,759 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 332 transitions. [2023-02-17 04:06:58,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2023-02-17 04:06:58,764 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:58,764 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 47, 46, 1, 1, 1] [2023-02-17 04:06:58,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-17 04:06:58,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:06:58,980 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-17 04:06:58,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:58,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1629088211, now seen corresponding path program 5 times [2023-02-17 04:06:58,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:58,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984181399] [2023-02-17 04:06:58,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:58,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:07:01,256 INFO L134 CoverageAnalysis]: Checked inductivity of 7567 backedges. 0 proven. 7567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:07:01,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:07:01,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984181399] [2023-02-17 04:07:01,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984181399] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 04:07:01,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607513652] [2023-02-17 04:07:01,257 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-17 04:07:01,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:07:01,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:07:01,261 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 04:07:01,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-17 04:07:01,420 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-02-17 04:07:01,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 04:07:01,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 48 conjunts are in the unsatisfiable core [2023-02-17 04:07:01,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:07:02,378 INFO L134 CoverageAnalysis]: Checked inductivity of 7567 backedges. 0 proven. 7567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:07:02,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 04:07:04,636 INFO L134 CoverageAnalysis]: Checked inductivity of 7567 backedges. 0 proven. 7567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:07:04,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607513652] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 04:07:04,636 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 04:07:04,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2023-02-17 04:07:04,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984902284] [2023-02-17 04:07:04,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 04:07:04,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-02-17 04:07:04,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:07:04,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-02-17 04:07:04,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2023-02-17 04:07:04,646 INFO L87 Difference]: Start difference. First operand 332 states and 332 transitions. Second operand has 96 states, 95 states have (on average 6.957894736842105) internal successors, (661), 96 states have internal predecessors, (661), 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) [2023-02-17 04:07:05,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:07:05,033 INFO L93 Difference]: Finished difference Result 669 states and 716 transitions. [2023-02-17 04:07:05,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-02-17 04:07:05,033 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 6.957894736842105) internal successors, (661), 96 states have internal predecessors, (661), 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 331 [2023-02-17 04:07:05,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:07:05,037 INFO L225 Difference]: With dead ends: 669 [2023-02-17 04:07:05,037 INFO L226 Difference]: Without dead ends: 668 [2023-02-17 04:07:05,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 708 GetRequests, 568 SyntacticMatches, 46 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2023-02-17 04:07:05,041 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-17 04:07:05,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 482 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-17 04:07:05,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2023-02-17 04:07:05,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 668. [2023-02-17 04:07:05,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 667 states have (on average 1.0014992503748126) internal successors, (668), 667 states have internal predecessors, (668), 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) [2023-02-17 04:07:05,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 668 transitions. [2023-02-17 04:07:05,071 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 668 transitions. Word has length 331 [2023-02-17 04:07:05,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:07:05,072 INFO L495 AbstractCegarLoop]: Abstraction has 668 states and 668 transitions. [2023-02-17 04:07:05,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 6.957894736842105) internal successors, (661), 96 states have internal predecessors, (661), 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) [2023-02-17 04:07:05,073 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 668 transitions. [2023-02-17 04:07:05,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2023-02-17 04:07:05,091 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:07:05,091 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 95, 95, 94, 1, 1, 1] [2023-02-17 04:07:05,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-17 04:07:05,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-02-17 04:07:05,297 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-17 04:07:05,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:07:05,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1788883155, now seen corresponding path program 6 times [2023-02-17 04:07:05,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:07:05,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997872028] [2023-02-17 04:07:05,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:07:05,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:07:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:07:12,287 INFO L134 CoverageAnalysis]: Checked inductivity of 31255 backedges. 0 proven. 31255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:07:12,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:07:12,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997872028] [2023-02-17 04:07:12,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997872028] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 04:07:12,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794035172] [2023-02-17 04:07:12,288 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-17 04:07:12,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:07:12,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:07:12,290 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 04:07:12,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-17 04:07:12,622 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2023-02-17 04:07:12,622 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 04:07:12,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 1337 conjuncts, 96 conjunts are in the unsatisfiable core [2023-02-17 04:07:12,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:07:15,544 INFO L134 CoverageAnalysis]: Checked inductivity of 31255 backedges. 0 proven. 31255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:07:15,544 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 04:07:23,907 INFO L134 CoverageAnalysis]: Checked inductivity of 31255 backedges. 0 proven. 31255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:07:23,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1794035172] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 04:07:23,907 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 04:07:23,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2023-02-17 04:07:23,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943451278] [2023-02-17 04:07:23,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 04:07:23,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2023-02-17 04:07:23,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:07:23,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2023-02-17 04:07:23,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2023-02-17 04:07:23,926 INFO L87 Difference]: Start difference. First operand 668 states and 668 transitions. Second operand has 192 states, 191 states have (on average 6.979057591623037) internal successors, (1333), 192 states have internal predecessors, (1333), 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) [2023-02-17 04:07:25,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:07:25,214 INFO L93 Difference]: Finished difference Result 1341 states and 1436 transitions. [2023-02-17 04:07:25,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2023-02-17 04:07:25,216 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 6.979057591623037) internal successors, (1333), 192 states have internal predecessors, (1333), 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 667 [2023-02-17 04:07:25,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:07:25,221 INFO L225 Difference]: With dead ends: 1341 [2023-02-17 04:07:25,221 INFO L226 Difference]: Without dead ends: 1340 [2023-02-17 04:07:25,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1428 GetRequests, 1144 SyntacticMatches, 94 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4371 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2023-02-17 04:07:25,225 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 952 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-17 04:07:25,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 960 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-17 04:07:25,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2023-02-17 04:07:25,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1340. [2023-02-17 04:07:25,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1340 states, 1339 states have (on average 1.0007468259895445) internal successors, (1340), 1339 states have internal predecessors, (1340), 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) [2023-02-17 04:07:25,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 1340 transitions. [2023-02-17 04:07:25,250 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 1340 transitions. Word has length 667 [2023-02-17 04:07:25,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:07:25,251 INFO L495 AbstractCegarLoop]: Abstraction has 1340 states and 1340 transitions. [2023-02-17 04:07:25,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 6.979057591623037) internal successors, (1333), 192 states have internal predecessors, (1333), 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) [2023-02-17 04:07:25,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1340 transitions. [2023-02-17 04:07:25,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1340 [2023-02-17 04:07:25,311 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:07:25,312 INFO L195 NwaCegarLoop]: trace histogram [191, 191, 191, 191, 191, 191, 190, 1, 1, 1] [2023-02-17 04:07:25,323 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-02-17 04:07:25,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:07:25,521 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-17 04:07:25,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:07:25,521 INFO L85 PathProgramCache]: Analyzing trace with hash 174407981, now seen corresponding path program 7 times [2023-02-17 04:07:25,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:07:25,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914063122] [2023-02-17 04:07:25,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:07:25,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:07:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:07:53,685 INFO L134 CoverageAnalysis]: Checked inductivity of 127015 backedges. 0 proven. 127015 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:07:53,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:07:53,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914063122] [2023-02-17 04:07:53,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914063122] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 04:07:53,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229579223] [2023-02-17 04:07:53,686 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-02-17 04:07:53,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:07:53,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:07:53,689 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 04:07:53,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-17 04:07:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:07:54,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 2681 conjuncts, 192 conjunts are in the unsatisfiable core [2023-02-17 04:07:54,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:08:05,439 INFO L134 CoverageAnalysis]: Checked inductivity of 127015 backedges. 0 proven. 127015 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:08:05,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 04:08:38,949 INFO L134 CoverageAnalysis]: Checked inductivity of 127015 backedges. 0 proven. 127015 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:08:38,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229579223] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 04:08:38,950 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 04:08:38,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [192, 192, 192] total 383 [2023-02-17 04:08:38,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051200760] [2023-02-17 04:08:38,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 04:08:38,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 384 states [2023-02-17 04:08:38,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:08:38,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 384 interpolants. [2023-02-17 04:08:38,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73536, Invalid=73536, Unknown=0, NotChecked=0, Total=147072 [2023-02-17 04:08:38,990 INFO L87 Difference]: Start difference. First operand 1340 states and 1340 transitions. Second operand has 384 states, 383 states have (on average 6.989556135770235) internal successors, (2677), 384 states have internal predecessors, (2677), 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) [2023-02-17 04:08:46,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:08:46,803 INFO L93 Difference]: Finished difference Result 2685 states and 2876 transitions. [2023-02-17 04:08:46,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2023-02-17 04:08:46,804 INFO L78 Accepts]: Start accepts. Automaton has has 384 states, 383 states have (on average 6.989556135770235) internal successors, (2677), 384 states have internal predecessors, (2677), 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 1339 [2023-02-17 04:08:46,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:08:46,813 INFO L225 Difference]: With dead ends: 2685 [2023-02-17 04:08:46,813 INFO L226 Difference]: Without dead ends: 2684 [2023-02-17 04:08:46,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2868 GetRequests, 2296 SyntacticMatches, 190 SemanticMatches, 382 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17955 ImplicationChecksByTransitivity, 55.4s TimeCoverageRelationStatistics Valid=73536, Invalid=73536, Unknown=0, NotChecked=0, Total=147072 [2023-02-17 04:08:46,821 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 1916 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1924 SdHoareTripleChecker+Invalid, 773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-02-17 04:08:46,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1924 Invalid, 773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-02-17 04:08:46,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2684 states. [2023-02-17 04:08:46,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2684 to 2684. [2023-02-17 04:08:46,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2684 states, 2683 states have (on average 1.0003727171077152) internal successors, (2684), 2683 states have internal predecessors, (2684), 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) [2023-02-17 04:08:46,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 2684 states and 2684 transitions. [2023-02-17 04:08:46,865 INFO L78 Accepts]: Start accepts. Automaton has 2684 states and 2684 transitions. Word has length 1339 [2023-02-17 04:08:46,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:08:46,867 INFO L495 AbstractCegarLoop]: Abstraction has 2684 states and 2684 transitions. [2023-02-17 04:08:46,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 384 states, 383 states have (on average 6.989556135770235) internal successors, (2677), 384 states have internal predecessors, (2677), 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) [2023-02-17 04:08:46,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2684 states and 2684 transitions. [2023-02-17 04:08:46,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2684 [2023-02-17 04:08:46,906 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:08:46,906 INFO L195 NwaCegarLoop]: trace histogram [383, 383, 383, 383, 383, 383, 382, 1, 1, 1] [2023-02-17 04:08:46,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-17 04:08:47,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:08:47,116 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-17 04:08:47,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:08:47,117 INFO L85 PathProgramCache]: Analyzing trace with hash -2068306643, now seen corresponding path program 8 times [2023-02-17 04:08:47,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:08:47,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848224764] [2023-02-17 04:08:47,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:08:47,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:08:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat