./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.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 47d7aa734a1bf75c79acf2b3acca3677f12d2522fb1fc624c15ccfe9b5a8438a --- Real Ultimate output --- This is Ultimate 0.2.2-?-2329fc7 [2023-02-14 02:48:58,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 02:48:58,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 02:48:58,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 02:48:58,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 02:48:58,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 02:48:58,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 02:48:58,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 02:48:58,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 02:48:58,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 02:48:58,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 02:48:58,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 02:48:58,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 02:48:58,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 02:48:58,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 02:48:58,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 02:48:58,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 02:48:58,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 02:48:58,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 02:48:58,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 02:48:58,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 02:48:58,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 02:48:58,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 02:48:58,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 02:48:58,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 02:48:58,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 02:48:58,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 02:48:58,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 02:48:58,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 02:48:58,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 02:48:58,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 02:48:58,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 02:48:58,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 02:48:58,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 02:48:58,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 02:48:58,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 02:48:58,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 02:48:58,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 02:48:58,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 02:48:58,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 02:48:58,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 02:48:58,707 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-14 02:48:58,739 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 02:48:58,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 02:48:58,743 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 02:48:58,743 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 02:48:58,744 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 02:48:58,744 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 02:48:58,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 02:48:58,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 02:48:58,745 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 02:48:58,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 02:48:58,746 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-14 02:48:58,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 02:48:58,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 02:48:58,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-14 02:48:58,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 02:48:58,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-14 02:48:58,748 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-14 02:48:58,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 02:48:58,748 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 02:48:58,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-14 02:48:58,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 02:48:58,749 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 02:48:58,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 02:48:58,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 02:48:58,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 02:48:58,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 02:48:58,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-14 02:48:58,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-14 02:48:58,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-14 02:48:58,750 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 02:48:58,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-14 02:48:58,751 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 02:48:58,751 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 02:48:58,751 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 02:48:58,751 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47d7aa734a1bf75c79acf2b3acca3677f12d2522fb1fc624c15ccfe9b5a8438a [2023-02-14 02:48:59,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 02:48:59,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 02:48:59,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 02:48:59,036 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 02:48:59,036 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 02:48:59,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2023-02-14 02:49:00,311 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 02:49:00,511 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 02:49:00,512 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2023-02-14 02:49:00,518 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cadc8889/571b3cc775604a158ac84b5424277340/FLAG94e852366 [2023-02-14 02:49:00,534 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cadc8889/571b3cc775604a158ac84b5424277340 [2023-02-14 02:49:00,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 02:49:00,538 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 02:49:00,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 02:49:00,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 02:49:00,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 02:49:00,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:49:00" (1/1) ... [2023-02-14 02:49:00,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c6376fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:49:00, skipping insertion in model container [2023-02-14 02:49:00,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:49:00" (1/1) ... [2023-02-14 02:49:00,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 02:49:00,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 02:49:00,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 02:49:00,675 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 02:49:00,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 02:49:00,704 INFO L208 MainTranslator]: Completed translation [2023-02-14 02:49:00,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:49:00 WrapperNode [2023-02-14 02:49:00,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 02:49:00,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 02:49:00,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 02:49:00,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 02:49:00,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:49:00" (1/1) ... [2023-02-14 02:49:00,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:49:00" (1/1) ... [2023-02-14 02:49:00,735 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2023-02-14 02:49:00,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 02:49:00,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 02:49:00,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 02:49:00,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 02:49:00,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:49:00" (1/1) ... [2023-02-14 02:49:00,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:49:00" (1/1) ... [2023-02-14 02:49:00,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:49:00" (1/1) ... [2023-02-14 02:49:00,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:49:00" (1/1) ... [2023-02-14 02:49:00,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:49:00" (1/1) ... [2023-02-14 02:49:00,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:49:00" (1/1) ... [2023-02-14 02:49:00,757 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:49:00" (1/1) ... [2023-02-14 02:49:00,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:49:00" (1/1) ... [2023-02-14 02:49:00,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 02:49:00,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 02:49:00,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 02:49:00,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 02:49:00,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:49:00" (1/1) ... [2023-02-14 02:49:00,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 02:49:00,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:49:00,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-14 02:49:00,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-14 02:49:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 02:49:00,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 02:49:00,889 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 02:49:00,890 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 02:49:00,956 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 02:49:00,961 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 02:49:00,961 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-14 02:49:00,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:49:00 BoogieIcfgContainer [2023-02-14 02:49:00,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 02:49:00,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 02:49:00,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 02:49:00,967 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 02:49:00,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 02:49:00" (1/3) ... [2023-02-14 02:49:00,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5931f14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:49:00, skipping insertion in model container [2023-02-14 02:49:00,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:49:00" (2/3) ... [2023-02-14 02:49:00,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5931f14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:49:00, skipping insertion in model container [2023-02-14 02:49:00,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:49:00" (3/3) ... [2023-02-14 02:49:00,970 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2023-02-14 02:49:00,985 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 02:49:00,985 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-02-14 02:49:01,036 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-14 02:49:01,043 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;@25084fbe, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-14 02:49:01,044 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-02-14 02:49:01,048 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 20 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:01,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-14 02:49:01,055 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:49:01,056 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-14 02:49:01,057 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)] === [2023-02-14 02:49:01,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:49:01,063 INFO L85 PathProgramCache]: Analyzing trace with hash 889513677, now seen corresponding path program 1 times [2023-02-14 02:49:01,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:49:01,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675839406] [2023-02-14 02:49:01,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:49:01,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:49:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:49:01,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:01,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:49:01,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675839406] [2023-02-14 02:49:01,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675839406] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:49:01,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:49:01,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-14 02:49:01,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828781641] [2023-02-14 02:49:01,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:49:01,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 02:49:01,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:49:01,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 02:49:01,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 02:49:01,312 INFO L87 Difference]: Start difference. First operand has 21 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 20 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2023-02-14 02:49:01,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:49:01,384 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2023-02-14 02:49:01,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 02:49:01,386 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 [2023-02-14 02:49:01,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:49:01,398 INFO L225 Difference]: With dead ends: 41 [2023-02-14 02:49:01,401 INFO L226 Difference]: Without dead ends: 27 [2023-02-14 02:49:01,403 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 [2023-02-14 02:49:01,406 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 13 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 02:49:01,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 33 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 02:49:01,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-02-14 02:49:01,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2023-02-14 02:49:01,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 23 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:01,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2023-02-14 02:49:01,467 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 29 transitions. Word has length 6 [2023-02-14 02:49:01,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:49:01,467 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 29 transitions. [2023-02-14 02:49:01,476 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) [2023-02-14 02:49:01,476 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2023-02-14 02:49:01,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-14 02:49:01,477 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:49:01,477 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-14 02:49:01,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-14 02:49:01,478 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)] === [2023-02-14 02:49:01,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:49:01,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1805120262, now seen corresponding path program 1 times [2023-02-14 02:49:01,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:49:01,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396369120] [2023-02-14 02:49:01,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:49:01,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:49:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:49:01,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:01,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:49:01,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396369120] [2023-02-14 02:49:01,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396369120] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:49:01,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:49:01,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-14 02:49:01,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972852499] [2023-02-14 02:49:01,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:49:01,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 02:49:01,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:49:01,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 02:49:01,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 02:49:01,541 INFO L87 Difference]: Start difference. First operand 24 states and 29 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) [2023-02-14 02:49:01,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:49:01,569 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2023-02-14 02:49:01,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 02:49:01,569 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 [2023-02-14 02:49:01,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:49:01,570 INFO L225 Difference]: With dead ends: 41 [2023-02-14 02:49:01,571 INFO L226 Difference]: Without dead ends: 39 [2023-02-14 02:49:01,571 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 [2023-02-14 02:49:01,572 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 8 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 02:49:01,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 24 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 02:49:01,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-02-14 02:49:01,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2023-02-14 02:49:01,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 31 states have (on average 1.5483870967741935) internal successors, (48), 36 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:01,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2023-02-14 02:49:01,579 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 7 [2023-02-14 02:49:01,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:49:01,579 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2023-02-14 02:49:01,579 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) [2023-02-14 02:49:01,580 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2023-02-14 02:49:01,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-14 02:49:01,580 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:49:01,580 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 02:49:01,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-14 02:49:01,581 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 02:49:01,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:49:01,581 INFO L85 PathProgramCache]: Analyzing trace with hash 124153334, now seen corresponding path program 1 times [2023-02-14 02:49:01,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:49:01,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088518149] [2023-02-14 02:49:01,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:49:01,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:49:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:49:01,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:01,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:49:01,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088518149] [2023-02-14 02:49:01,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088518149] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:49:01,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:49:01,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-14 02:49:01,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275853178] [2023-02-14 02:49:01,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:49:01,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 02:49:01,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:49:01,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 02:49:01,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 02:49:01,649 INFO L87 Difference]: Start difference. First operand 37 states and 48 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) [2023-02-14 02:49:01,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:49:01,689 INFO L93 Difference]: Finished difference Result 37 states and 48 transitions. [2023-02-14 02:49:01,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 02:49:01,693 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 [2023-02-14 02:49:01,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:49:01,694 INFO L225 Difference]: With dead ends: 37 [2023-02-14 02:49:01,694 INFO L226 Difference]: Without dead ends: 36 [2023-02-14 02:49:01,694 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 [2023-02-14 02:49:01,695 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 9 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 02:49:01,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 14 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 02:49:01,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-02-14 02:49:01,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-02-14 02:49:01,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 35 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:01,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2023-02-14 02:49:01,704 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 45 transitions. Word has length 8 [2023-02-14 02:49:01,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:49:01,705 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 45 transitions. [2023-02-14 02:49:01,705 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) [2023-02-14 02:49:01,706 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2023-02-14 02:49:01,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-14 02:49:01,706 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:49:01,706 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 02:49:01,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-14 02:49:01,707 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 02:49:01,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:49:01,707 INFO L85 PathProgramCache]: Analyzing trace with hash -446213880, now seen corresponding path program 1 times [2023-02-14 02:49:01,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:49:01,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774181420] [2023-02-14 02:49:01,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:49:01,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:49:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:49:01,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:01,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:49:01,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774181420] [2023-02-14 02:49:01,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774181420] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:49:01,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:49:01,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-14 02:49:01,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836558426] [2023-02-14 02:49:01,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:49:01,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 02:49:01,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:49:01,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 02:49:01,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 02:49:01,761 INFO L87 Difference]: Start difference. First operand 36 states and 45 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) [2023-02-14 02:49:01,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:49:01,796 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2023-02-14 02:49:01,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 02:49:01,797 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 [2023-02-14 02:49:01,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:49:01,797 INFO L225 Difference]: With dead ends: 42 [2023-02-14 02:49:01,799 INFO L226 Difference]: Without dead ends: 41 [2023-02-14 02:49:01,799 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 [2023-02-14 02:49:01,801 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 3 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 02:49:01,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 25 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 02:49:01,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-02-14 02:49:01,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-02-14 02:49:01,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 40 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:01,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2023-02-14 02:49:01,808 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 9 [2023-02-14 02:49:01,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:49:01,808 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2023-02-14 02:49:01,809 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) [2023-02-14 02:49:01,809 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-02-14 02:49:01,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-14 02:49:01,809 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:49:01,810 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 02:49:01,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-14 02:49:01,810 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 02:49:01,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:49:01,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1460084352, now seen corresponding path program 1 times [2023-02-14 02:49:01,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:49:01,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089964575] [2023-02-14 02:49:01,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:49:01,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:49:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:49:01,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:01,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:49:01,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089964575] [2023-02-14 02:49:01,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089964575] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:49:01,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925754814] [2023-02-14 02:49:01,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:49:01,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:49:01,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:49:01,889 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 02:49:01,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-14 02:49:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:49:01,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-14 02:49:01,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:49:02,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:02,001 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:49:02,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:02,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925754814] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:49:02,041 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:49:02,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-02-14 02:49:02,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583074855] [2023-02-14 02:49:02,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:49:02,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-14 02:49:02,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:49:02,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-14 02:49:02,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-02-14 02:49:02,044 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:02,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:49:02,101 INFO L93 Difference]: Finished difference Result 82 states and 110 transitions. [2023-02-14 02:49:02,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-14 02:49:02,102 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-02-14 02:49:02,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:49:02,104 INFO L225 Difference]: With dead ends: 82 [2023-02-14 02:49:02,106 INFO L226 Difference]: Without dead ends: 80 [2023-02-14 02:49:02,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-02-14 02:49:02,111 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 31 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 02:49:02,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 29 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 02:49:02,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-02-14 02:49:02,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 51. [2023-02-14 02:49:02,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 50 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:02,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2023-02-14 02:49:02,128 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 12 [2023-02-14 02:49:02,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:49:02,129 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2023-02-14 02:49:02,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:02,129 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2023-02-14 02:49:02,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-02-14 02:49:02,133 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:49:02,133 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 02:49:02,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-14 02:49:02,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:49:02,339 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 02:49:02,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:49:02,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1339835373, now seen corresponding path program 1 times [2023-02-14 02:49:02,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:49:02,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463824021] [2023-02-14 02:49:02,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:49:02,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:49:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:49:02,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:02,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:49:02,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463824021] [2023-02-14 02:49:02,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463824021] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:49:02,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899371971] [2023-02-14 02:49:02,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:49:02,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:49:02,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:49:02,380 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) [2023-02-14 02:49:02,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-14 02:49:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:49:02,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-14 02:49:02,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:49:02,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:02,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:49:02,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:02,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899371971] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:49:02,507 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:49:02,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-02-14 02:49:02,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586506792] [2023-02-14 02:49:02,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:49:02,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-14 02:49:02,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:49:02,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-14 02:49:02,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-02-14 02:49:02,510 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:02,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:49:02,555 INFO L93 Difference]: Finished difference Result 125 states and 168 transitions. [2023-02-14 02:49:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-14 02:49:02,555 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-02-14 02:49:02,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:49:02,558 INFO L225 Difference]: With dead ends: 125 [2023-02-14 02:49:02,559 INFO L226 Difference]: Without dead ends: 123 [2023-02-14 02:49:02,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-02-14 02:49:02,561 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 19 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 02:49:02,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 42 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 02:49:02,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-02-14 02:49:02,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 100. [2023-02-14 02:49:02,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 96 states have (on average 1.3333333333333333) internal successors, (128), 99 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:02,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 128 transitions. [2023-02-14 02:49:02,587 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 128 transitions. Word has length 13 [2023-02-14 02:49:02,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:49:02,587 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 128 transitions. [2023-02-14 02:49:02,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:02,588 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 128 transitions. [2023-02-14 02:49:02,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-14 02:49:02,588 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:49:02,589 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-02-14 02:49:02,599 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-02-14 02:49:02,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-02-14 02:49:02,794 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)] === [2023-02-14 02:49:02,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:49:02,794 INFO L85 PathProgramCache]: Analyzing trace with hash -908393425, now seen corresponding path program 1 times [2023-02-14 02:49:02,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:49:02,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704054931] [2023-02-14 02:49:02,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:49:02,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:49:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:49:02,866 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:02,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:49:02,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704054931] [2023-02-14 02:49:02,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704054931] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:49:02,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159336029] [2023-02-14 02:49:02,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:49:02,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:49:02,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:49:02,869 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) [2023-02-14 02:49:02,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-14 02:49:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:49:02,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-14 02:49:02,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:49:02,911 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:02,912 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:49:02,937 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:02,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159336029] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:49:02,938 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:49:02,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-02-14 02:49:02,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047746369] [2023-02-14 02:49:02,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:49:02,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-14 02:49:02,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:49:02,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-14 02:49:02,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-02-14 02:49:02,941 INFO L87 Difference]: Start difference. First operand 100 states and 128 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:02,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:49:02,983 INFO L93 Difference]: Finished difference Result 213 states and 273 transitions. [2023-02-14 02:49:02,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-14 02:49:02,984 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-02-14 02:49:02,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:49:02,985 INFO L225 Difference]: With dead ends: 213 [2023-02-14 02:49:02,987 INFO L226 Difference]: Without dead ends: 212 [2023-02-14 02:49:02,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-02-14 02:49:02,988 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 14 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 02:49:02,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 53 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 02:49:02,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2023-02-14 02:49:03,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 210. [2023-02-14 02:49:03,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 206 states have (on average 1.2281553398058251) internal successors, (253), 209 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:03,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 253 transitions. [2023-02-14 02:49:03,008 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 253 transitions. Word has length 15 [2023-02-14 02:49:03,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:49:03,009 INFO L495 AbstractCegarLoop]: Abstraction has 210 states and 253 transitions. [2023-02-14 02:49:03,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:03,009 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 253 transitions. [2023-02-14 02:49:03,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-14 02:49:03,010 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:49:03,010 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1] [2023-02-14 02:49:03,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-14 02:49:03,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:49:03,213 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 02:49:03,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:49:03,214 INFO L85 PathProgramCache]: Analyzing trace with hash -310064461, now seen corresponding path program 1 times [2023-02-14 02:49:03,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:49:03,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873828603] [2023-02-14 02:49:03,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:49:03,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:49:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:49:03,290 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:03,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:49:03,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873828603] [2023-02-14 02:49:03,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873828603] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:49:03,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513460489] [2023-02-14 02:49:03,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:49:03,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:49:03,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:49:03,293 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) [2023-02-14 02:49:03,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-14 02:49:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:49:03,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-14 02:49:03,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:49:03,354 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:03,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:49:03,401 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:03,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513460489] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:49:03,402 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:49:03,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-02-14 02:49:03,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872541190] [2023-02-14 02:49:03,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:49:03,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-02-14 02:49:03,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:49:03,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-02-14 02:49:03,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-02-14 02:49:03,404 INFO L87 Difference]: Start difference. First operand 210 states and 253 transitions. Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:03,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:49:03,470 INFO L93 Difference]: Finished difference Result 411 states and 525 transitions. [2023-02-14 02:49:03,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-14 02:49:03,471 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-02-14 02:49:03,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:49:03,473 INFO L225 Difference]: With dead ends: 411 [2023-02-14 02:49:03,473 INFO L226 Difference]: Without dead ends: 410 [2023-02-14 02:49:03,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-02-14 02:49:03,475 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 35 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 02:49:03,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 50 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 02:49:03,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2023-02-14 02:49:03,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 342. [2023-02-14 02:49:03,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 338 states have (on average 1.2633136094674555) internal successors, (427), 341 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:03,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 427 transitions. [2023-02-14 02:49:03,499 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 427 transitions. Word has length 18 [2023-02-14 02:49:03,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:49:03,499 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 427 transitions. [2023-02-14 02:49:03,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:03,500 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 427 transitions. [2023-02-14 02:49:03,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-02-14 02:49:03,502 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:49:03,502 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1, 1, 1] [2023-02-14 02:49:03,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-14 02:49:03,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:49:03,708 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 02:49:03,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:49:03,708 INFO L85 PathProgramCache]: Analyzing trace with hash 377077538, now seen corresponding path program 2 times [2023-02-14 02:49:03,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:49:03,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131662892] [2023-02-14 02:49:03,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:49:03,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:49:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:49:03,782 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:03,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:49:03,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131662892] [2023-02-14 02:49:03,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131662892] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:49:03,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699869123] [2023-02-14 02:49:03,783 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 02:49:03,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:49:03,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:49:03,784 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) [2023-02-14 02:49:03,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-14 02:49:03,817 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 02:49:03,818 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:49:03,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-14 02:49:03,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:49:03,867 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:03,868 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:49:03,951 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:03,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699869123] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:49:03,952 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:49:03,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-02-14 02:49:03,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943314349] [2023-02-14 02:49:03,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:49:03,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-14 02:49:03,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:49:03,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-14 02:49:03,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-02-14 02:49:03,953 INFO L87 Difference]: Start difference. First operand 342 states and 427 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:04,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:49:04,051 INFO L93 Difference]: Finished difference Result 887 states and 1204 transitions. [2023-02-14 02:49:04,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-14 02:49:04,051 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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 31 [2023-02-14 02:49:04,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:49:04,055 INFO L225 Difference]: With dead ends: 887 [2023-02-14 02:49:04,055 INFO L226 Difference]: Without dead ends: 885 [2023-02-14 02:49:04,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-02-14 02:49:04,056 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 62 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 02:49:04,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 80 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 02:49:04,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2023-02-14 02:49:04,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 582. [2023-02-14 02:49:04,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 578 states have (on average 1.2802768166089966) internal successors, (740), 581 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:04,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 740 transitions. [2023-02-14 02:49:04,086 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 740 transitions. Word has length 31 [2023-02-14 02:49:04,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:49:04,086 INFO L495 AbstractCegarLoop]: Abstraction has 582 states and 740 transitions. [2023-02-14 02:49:04,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:04,086 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 740 transitions. [2023-02-14 02:49:04,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-02-14 02:49:04,092 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:49:04,092 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 1, 1, 1, 1] [2023-02-14 02:49:04,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-14 02:49:04,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:49:04,298 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)] === [2023-02-14 02:49:04,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:49:04,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1594263076, now seen corresponding path program 2 times [2023-02-14 02:49:04,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:49:04,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755804955] [2023-02-14 02:49:04,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:49:04,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:49:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:49:04,345 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-02-14 02:49:04,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:49:04,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755804955] [2023-02-14 02:49:04,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755804955] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:49:04,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184105509] [2023-02-14 02:49:04,347 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 02:49:04,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:49:04,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:49:04,348 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) [2023-02-14 02:49:04,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-14 02:49:04,382 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-02-14 02:49:04,382 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:49:04,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-14 02:49:04,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:49:04,427 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-02-14 02:49:04,427 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:49:04,480 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-02-14 02:49:04,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184105509] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:49:04,481 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:49:04,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2023-02-14 02:49:04,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376640877] [2023-02-14 02:49:04,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:49:04,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-14 02:49:04,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:49:04,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-14 02:49:04,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-14 02:49:04,485 INFO L87 Difference]: Start difference. First operand 582 states and 740 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:04,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:49:04,526 INFO L93 Difference]: Finished difference Result 582 states and 740 transitions. [2023-02-14 02:49:04,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-14 02:49:04,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2023-02-14 02:49:04,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:49:04,530 INFO L225 Difference]: With dead ends: 582 [2023-02-14 02:49:04,531 INFO L226 Difference]: Without dead ends: 581 [2023-02-14 02:49:04,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-14 02:49:04,532 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 12 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 02:49:04,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 13 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 02:49:04,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2023-02-14 02:49:04,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 455. [2023-02-14 02:49:04,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 452 states have (on average 1.1880530973451326) internal successors, (537), 454 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:04,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 537 transitions. [2023-02-14 02:49:04,554 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 537 transitions. Word has length 33 [2023-02-14 02:49:04,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:49:04,554 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 537 transitions. [2023-02-14 02:49:04,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:04,554 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 537 transitions. [2023-02-14 02:49:04,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-02-14 02:49:04,558 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:49:04,558 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 1, 1, 1, 1] [2023-02-14 02:49:04,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-14 02:49:04,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:49:04,764 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 02:49:04,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:49:04,765 INFO L85 PathProgramCache]: Analyzing trace with hash -726829569, now seen corresponding path program 2 times [2023-02-14 02:49:04,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:49:04,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43533916] [2023-02-14 02:49:04,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:49:04,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:49:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:49:04,891 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:04,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:49:04,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43533916] [2023-02-14 02:49:04,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43533916] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:49:04,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518107534] [2023-02-14 02:49:04,892 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 02:49:04,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:49:04,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:49:04,894 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) [2023-02-14 02:49:04,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-14 02:49:04,931 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 02:49:04,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:49:04,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-14 02:49:04,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:49:04,990 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:04,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:49:05,107 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:05,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518107534] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:49:05,108 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:49:05,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2023-02-14 02:49:05,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33060033] [2023-02-14 02:49:05,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:49:05,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-02-14 02:49:05,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:49:05,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-02-14 02:49:05,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2023-02-14 02:49:05,111 INFO L87 Difference]: Start difference. First operand 455 states and 537 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:05,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:49:05,270 INFO L93 Difference]: Finished difference Result 1640 states and 2006 transitions. [2023-02-14 02:49:05,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-02-14 02:49:05,270 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 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 42 [2023-02-14 02:49:05,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:49:05,276 INFO L225 Difference]: With dead ends: 1640 [2023-02-14 02:49:05,276 INFO L226 Difference]: Without dead ends: 1639 [2023-02-14 02:49:05,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2023-02-14 02:49:05,278 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 88 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 02:49:05,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 84 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 02:49:05,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2023-02-14 02:49:05,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 905. [2023-02-14 02:49:05,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 902 states have (on average 1.1784922394678492) internal successors, (1063), 904 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:05,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1063 transitions. [2023-02-14 02:49:05,328 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1063 transitions. Word has length 42 [2023-02-14 02:49:05,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:49:05,330 INFO L495 AbstractCegarLoop]: Abstraction has 905 states and 1063 transitions. [2023-02-14 02:49:05,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:05,330 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1063 transitions. [2023-02-14 02:49:05,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-02-14 02:49:05,332 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:49:05,332 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 1, 1, 1, 1] [2023-02-14 02:49:05,338 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-02-14 02:49:05,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:49:05,537 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 02:49:05,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:49:05,537 INFO L85 PathProgramCache]: Analyzing trace with hash -242254900, now seen corresponding path program 3 times [2023-02-14 02:49:05,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:49:05,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331177989] [2023-02-14 02:49:05,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:49:05,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:49:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:49:05,731 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:05,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:49:05,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331177989] [2023-02-14 02:49:05,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331177989] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:49:05,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249953894] [2023-02-14 02:49:05,732 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-14 02:49:05,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:49:05,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:49:05,737 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 02:49:05,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-14 02:49:05,778 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-14 02:49:05,778 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:49:05,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-14 02:49:05,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:49:05,854 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:05,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:49:06,085 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:06,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249953894] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:49:06,086 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:49:06,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2023-02-14 02:49:06,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180692564] [2023-02-14 02:49:06,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:49:06,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-14 02:49:06,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:49:06,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-14 02:49:06,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-02-14 02:49:06,089 INFO L87 Difference]: Start difference. First operand 905 states and 1063 transitions. Second operand has 24 states, 23 states have (on average 5.739130434782608) internal successors, (132), 24 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:06,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:49:06,345 INFO L93 Difference]: Finished difference Result 4212 states and 5266 transitions. [2023-02-14 02:49:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-02-14 02:49:06,345 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.739130434782608) internal successors, (132), 24 states have internal predecessors, (132), 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 67 [2023-02-14 02:49:06,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:49:06,360 INFO L225 Difference]: With dead ends: 4212 [2023-02-14 02:49:06,360 INFO L226 Difference]: Without dead ends: 4210 [2023-02-14 02:49:06,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-02-14 02:49:06,364 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 139 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 02:49:06,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 127 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 02:49:06,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4210 states. [2023-02-14 02:49:06,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4210 to 1939. [2023-02-14 02:49:06,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1939 states, 1936 states have (on average 1.1596074380165289) internal successors, (2245), 1938 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:06,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 1939 states and 2245 transitions. [2023-02-14 02:49:06,473 INFO L78 Accepts]: Start accepts. Automaton has 1939 states and 2245 transitions. Word has length 67 [2023-02-14 02:49:06,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:49:06,474 INFO L495 AbstractCegarLoop]: Abstraction has 1939 states and 2245 transitions. [2023-02-14 02:49:06,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.739130434782608) internal successors, (132), 24 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:06,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1939 states and 2245 transitions. [2023-02-14 02:49:06,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-02-14 02:49:06,476 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:49:06,476 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 1, 1, 1, 1] [2023-02-14 02:49:06,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-02-14 02:49:06,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-02-14 02:49:06,681 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 02:49:06,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:49:06,681 INFO L85 PathProgramCache]: Analyzing trace with hash 58482839, now seen corresponding path program 3 times [2023-02-14 02:49:06,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:49:06,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114326013] [2023-02-14 02:49:06,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:49:06,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:49:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:49:06,954 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 588 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:06,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:49:06,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114326013] [2023-02-14 02:49:06,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114326013] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:49:06,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486553032] [2023-02-14 02:49:06,955 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-14 02:49:06,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:49:06,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:49:06,957 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 02:49:06,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-02-14 02:49:07,016 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2023-02-14 02:49:07,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:49:07,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 16 conjunts are in the unsatisfiable core [2023-02-14 02:49:07,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:49:07,137 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 588 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:07,138 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:49:07,562 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 588 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:07,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486553032] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:49:07,562 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:49:07,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 31 [2023-02-14 02:49:07,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135090679] [2023-02-14 02:49:07,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:49:07,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-02-14 02:49:07,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:49:07,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-02-14 02:49:07,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2023-02-14 02:49:07,564 INFO L87 Difference]: Start difference. First operand 1939 states and 2245 transitions. Second operand has 32 states, 31 states have (on average 5.741935483870968) internal successors, (178), 32 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:08,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:49:08,080 INFO L93 Difference]: Finished difference Result 9802 states and 11676 transitions. [2023-02-14 02:49:08,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-02-14 02:49:08,080 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 5.741935483870968) internal successors, (178), 32 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2023-02-14 02:49:08,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:49:08,109 INFO L225 Difference]: With dead ends: 9802 [2023-02-14 02:49:08,109 INFO L226 Difference]: Without dead ends: 9801 [2023-02-14 02:49:08,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2023-02-14 02:49:08,115 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 178 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-14 02:49:08,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 165 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-14 02:49:08,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9801 states. [2023-02-14 02:49:08,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9801 to 3737. [2023-02-14 02:49:08,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3737 states, 3734 states have (on average 1.1534547402249598) internal successors, (4307), 3736 states have internal predecessors, (4307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:08,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3737 states to 3737 states and 4307 transitions. [2023-02-14 02:49:08,357 INFO L78 Accepts]: Start accepts. Automaton has 3737 states and 4307 transitions. Word has length 90 [2023-02-14 02:49:08,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:49:08,358 INFO L495 AbstractCegarLoop]: Abstraction has 3737 states and 4307 transitions. [2023-02-14 02:49:08,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 5.741935483870968) internal successors, (178), 32 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:08,358 INFO L276 IsEmpty]: Start isEmpty. Operand 3737 states and 4307 transitions. [2023-02-14 02:49:08,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-02-14 02:49:08,361 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:49:08,361 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 1, 1, 1, 1] [2023-02-14 02:49:08,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-02-14 02:49:08,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-02-14 02:49:08,566 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 02:49:08,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:49:08,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1400189408, now seen corresponding path program 4 times [2023-02-14 02:49:08,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:49:08,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239777731] [2023-02-14 02:49:08,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:49:08,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:49:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:49:09,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:09,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:49:09,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239777731] [2023-02-14 02:49:09,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239777731] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:49:09,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988627318] [2023-02-14 02:49:09,161 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-14 02:49:09,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:49:09,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:49:09,164 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 02:49:09,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-02-14 02:49:09,231 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-14 02:49:09,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:49:09,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 24 conjunts are in the unsatisfiable core [2023-02-14 02:49:09,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:49:09,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:09,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:49:10,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:10,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988627318] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:49:10,228 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:49:10,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2023-02-14 02:49:10,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136937666] [2023-02-14 02:49:10,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:49:10,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-02-14 02:49:10,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:49:10,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-02-14 02:49:10,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-02-14 02:49:10,232 INFO L87 Difference]: Start difference. First operand 3737 states and 4307 transitions. Second operand has 48 states, 47 states have (on average 5.872340425531915) internal successors, (276), 48 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:11,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:49:11,367 INFO L93 Difference]: Finished difference Result 26504 states and 31970 transitions. [2023-02-14 02:49:11,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-02-14 02:49:11,368 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 5.872340425531915) internal successors, (276), 48 states have internal predecessors, (276), 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 139 [2023-02-14 02:49:11,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:49:11,447 INFO L225 Difference]: With dead ends: 26504 [2023-02-14 02:49:11,447 INFO L226 Difference]: Without dead ends: 26502 [2023-02-14 02:49:11,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-02-14 02:49:11,462 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 282 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 300 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 300 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-14 02:49:11,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 247 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [300 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-14 02:49:11,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26502 states. [2023-02-14 02:49:12,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26502 to 7979. [2023-02-14 02:49:12,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7979 states, 7976 states have (on average 1.1430541624874624) internal successors, (9117), 7978 states have internal predecessors, (9117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:12,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7979 states to 7979 states and 9117 transitions. [2023-02-14 02:49:12,128 INFO L78 Accepts]: Start accepts. Automaton has 7979 states and 9117 transitions. Word has length 139 [2023-02-14 02:49:12,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:49:12,128 INFO L495 AbstractCegarLoop]: Abstraction has 7979 states and 9117 transitions. [2023-02-14 02:49:12,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 5.872340425531915) internal successors, (276), 48 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:12,128 INFO L276 IsEmpty]: Start isEmpty. Operand 7979 states and 9117 transitions. [2023-02-14 02:49:12,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-02-14 02:49:12,136 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:49:12,136 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 30, 30, 30, 30, 1, 1, 1, 1] [2023-02-14 02:49:12,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-02-14 02:49:12,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-02-14 02:49:12,343 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 02:49:12,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:49:12,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1876985287, now seen corresponding path program 4 times [2023-02-14 02:49:12,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:49:12,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495637553] [2023-02-14 02:49:12,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:49:12,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:49:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:49:13,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 0 proven. 2700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:13,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:49:13,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495637553] [2023-02-14 02:49:13,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495637553] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:49:13,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433894641] [2023-02-14 02:49:13,498 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-14 02:49:13,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:49:13,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:49:13,500 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 02:49:13,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-02-14 02:49:13,581 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-14 02:49:13,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:49:13,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 32 conjunts are in the unsatisfiable core [2023-02-14 02:49:13,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:49:13,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 0 proven. 2700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:13,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:49:15,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 0 proven. 2700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:15,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433894641] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:49:15,214 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:49:15,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 63 [2023-02-14 02:49:15,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817607314] [2023-02-14 02:49:15,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:49:15,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-02-14 02:49:15,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:49:15,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-02-14 02:49:15,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2023-02-14 02:49:15,218 INFO L87 Difference]: Start difference. First operand 7979 states and 9117 transitions. Second operand has 64 states, 63 states have (on average 5.873015873015873) internal successors, (370), 64 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:17,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:49:17,472 INFO L93 Difference]: Finished difference Result 64838 states and 75524 transitions. [2023-02-14 02:49:17,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-02-14 02:49:17,473 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 5.873015873015873) internal successors, (370), 64 states have internal predecessors, (370), 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 186 [2023-02-14 02:49:17,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:49:17,589 INFO L225 Difference]: With dead ends: 64838 [2023-02-14 02:49:17,589 INFO L226 Difference]: Without dead ends: 64837 [2023-02-14 02:49:17,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2023-02-14 02:49:17,612 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 550 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 596 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 596 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-14 02:49:17,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 321 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [596 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-14 02:49:17,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64837 states. [2023-02-14 02:49:19,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64837 to 15161. [2023-02-14 02:49:19,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15161 states, 15158 states have (on average 1.139662224567885) internal successors, (17275), 15160 states have internal predecessors, (17275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:19,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15161 states to 15161 states and 17275 transitions. [2023-02-14 02:49:19,062 INFO L78 Accepts]: Start accepts. Automaton has 15161 states and 17275 transitions. Word has length 186 [2023-02-14 02:49:19,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:49:19,063 INFO L495 AbstractCegarLoop]: Abstraction has 15161 states and 17275 transitions. [2023-02-14 02:49:19,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 63 states have (on average 5.873015873015873) internal successors, (370), 64 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:19,069 INFO L276 IsEmpty]: Start isEmpty. Operand 15161 states and 17275 transitions. [2023-02-14 02:49:19,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2023-02-14 02:49:19,082 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:49:19,082 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 1, 1, 1, 1] [2023-02-14 02:49:19,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-02-14 02:49:19,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-02-14 02:49:19,288 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 02:49:19,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:49:19,289 INFO L85 PathProgramCache]: Analyzing trace with hash 407295688, now seen corresponding path program 5 times [2023-02-14 02:49:19,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:49:19,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365550775] [2023-02-14 02:49:19,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:49:19,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:49:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:49:21,424 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:21,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:49:21,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365550775] [2023-02-14 02:49:21,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365550775] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:49:21,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945975345] [2023-02-14 02:49:21,425 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-14 02:49:21,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:49:21,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:49:21,427 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 02:49:21,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-02-14 02:49:21,571 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-02-14 02:49:21,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:49:21,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 48 conjunts are in the unsatisfiable core [2023-02-14 02:49:21,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:49:21,901 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:21,901 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:49:24,543 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:24,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945975345] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:49:24,545 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:49:24,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2023-02-14 02:49:24,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443646081] [2023-02-14 02:49:24,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:49:24,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-02-14 02:49:24,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:49:24,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-02-14 02:49:24,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2023-02-14 02:49:24,555 INFO L87 Difference]: Start difference. First operand 15161 states and 17275 transitions. Second operand has 96 states, 95 states have (on average 5.936842105263158) internal successors, (564), 96 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:31,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:49:31,073 INFO L93 Difference]: Finished difference Result 182624 states and 214114 transitions. [2023-02-14 02:49:31,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-02-14 02:49:31,073 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 5.936842105263158) internal successors, (564), 96 states have internal predecessors, (564), 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 283 [2023-02-14 02:49:31,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:49:31,376 INFO L225 Difference]: With dead ends: 182624 [2023-02-14 02:49:31,376 INFO L226 Difference]: Without dead ends: 182622 [2023-02-14 02:49:31,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 518 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2023-02-14 02:49:31,419 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 1164 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 1093 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1164 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 1490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1093 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-02-14 02:49:31,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1164 Valid, 488 Invalid, 1490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1093 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-02-14 02:49:31,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182622 states. [2023-02-14 02:49:34,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182622 to 32347. [2023-02-14 02:49:34,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32347 states, 32344 states have (on average 1.1342134553549346) internal successors, (36685), 32346 states have internal predecessors, (36685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:34,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32347 states to 32347 states and 36685 transitions. [2023-02-14 02:49:34,907 INFO L78 Accepts]: Start accepts. Automaton has 32347 states and 36685 transitions. Word has length 283 [2023-02-14 02:49:34,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:49:34,907 INFO L495 AbstractCegarLoop]: Abstraction has 32347 states and 36685 transitions. [2023-02-14 02:49:34,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 5.936842105263158) internal successors, (564), 96 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:49:34,908 INFO L276 IsEmpty]: Start isEmpty. Operand 32347 states and 36685 transitions. [2023-02-14 02:49:34,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2023-02-14 02:49:34,930 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:49:34,930 INFO L195 NwaCegarLoop]: trace histogram [63, 63, 62, 62, 62, 62, 1, 1, 1, 1] [2023-02-14 02:49:34,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-02-14 02:49:35,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-02-14 02:49:35,136 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 02:49:35,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:49:35,136 INFO L85 PathProgramCache]: Analyzing trace with hash -901640153, now seen corresponding path program 5 times [2023-02-14 02:49:35,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:49:35,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753634176] [2023-02-14 02:49:35,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:49:35,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:49:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:49:38,229 INFO L134 CoverageAnalysis]: Checked inductivity of 11532 backedges. 0 proven. 11532 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:38,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:49:38,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753634176] [2023-02-14 02:49:38,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753634176] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:49:38,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761347922] [2023-02-14 02:49:38,229 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-14 02:49:38,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:49:38,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:49:38,231 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 02:49:38,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-02-14 02:49:38,412 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2023-02-14 02:49:38,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:49:38,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 64 conjunts are in the unsatisfiable core [2023-02-14 02:49:38,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:49:38,844 INFO L134 CoverageAnalysis]: Checked inductivity of 11532 backedges. 0 proven. 11532 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:38,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:49:43,115 INFO L134 CoverageAnalysis]: Checked inductivity of 11532 backedges. 0 proven. 11532 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:49:43,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761347922] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:49:43,116 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:49:43,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 64, 64] total 127 [2023-02-14 02:49:43,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653367432] [2023-02-14 02:49:43,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:49:43,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2023-02-14 02:49:43,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:49:43,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2023-02-14 02:49:43,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2023-02-14 02:49:43,127 INFO L87 Difference]: Start difference. First operand 32347 states and 36685 transitions. Second operand has 128 states, 127 states have (on average 5.937007874015748) internal successors, (754), 128 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:50:02,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:50:02,823 INFO L93 Difference]: Finished difference Result 464158 states and 532452 transitions. [2023-02-14 02:50:02,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2023-02-14 02:50:02,824 INFO L78 Accepts]: Start accepts. Automaton has has 128 states, 127 states have (on average 5.937007874015748) internal successors, (754), 128 states have internal predecessors, (754), 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 378 [2023-02-14 02:50:02,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:50:03,721 INFO L225 Difference]: With dead ends: 464158 [2023-02-14 02:50:03,721 INFO L226 Difference]: Without dead ends: 464157 [2023-02-14 02:50:03,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 818 GetRequests, 692 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2023-02-14 02:50:03,810 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1324 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 1876 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1324 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 2389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1876 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-02-14 02:50:03,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1324 Valid, 642 Invalid, 2389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1876 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-02-14 02:50:03,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464157 states. [2023-02-14 02:50:14,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464157 to 61049. [2023-02-14 02:50:14,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61049 states, 61046 states have (on average 1.1324411099826361) internal successors, (69131), 61048 states have internal predecessors, (69131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:50:14,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61049 states to 61049 states and 69131 transitions. [2023-02-14 02:50:14,111 INFO L78 Accepts]: Start accepts. Automaton has 61049 states and 69131 transitions. Word has length 378 [2023-02-14 02:50:14,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:50:14,112 INFO L495 AbstractCegarLoop]: Abstraction has 61049 states and 69131 transitions. [2023-02-14 02:50:14,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 127 states have (on average 5.937007874015748) internal successors, (754), 128 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 02:50:14,112 INFO L276 IsEmpty]: Start isEmpty. Operand 61049 states and 69131 transitions. [2023-02-14 02:50:14,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2023-02-14 02:50:14,150 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:50:14,150 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 94, 94, 94, 1, 1, 1, 1] [2023-02-14 02:50:14,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-02-14 02:50:14,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-02-14 02:50:14,355 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 02:50:14,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:50:14,356 INFO L85 PathProgramCache]: Analyzing trace with hash -788236264, now seen corresponding path program 6 times [2023-02-14 02:50:14,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:50:14,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921817980] [2023-02-14 02:50:14,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:50:14,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:50:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:50:20,381 INFO L134 CoverageAnalysis]: Checked inductivity of 26602 backedges. 0 proven. 26602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:50:20,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:50:20,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921817980] [2023-02-14 02:50:20,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921817980] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:50:20,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007831145] [2023-02-14 02:50:20,381 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-14 02:50:20,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:50:20,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:50:20,382 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 02:50:20,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-02-14 02:50:20,616 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2023-02-14 02:50:20,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:50:20,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 96 conjunts are in the unsatisfiable core [2023-02-14 02:50:20,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:50:21,169 INFO L134 CoverageAnalysis]: Checked inductivity of 26602 backedges. 0 proven. 26602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:50:21,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:50:30,218 INFO L134 CoverageAnalysis]: Checked inductivity of 26602 backedges. 0 proven. 26602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:50:30,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007831145] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:50:30,219 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:50:30,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2023-02-14 02:50:30,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108543271] [2023-02-14 02:50:30,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:50:30,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2023-02-14 02:50:30,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:50:30,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2023-02-14 02:50:30,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2023-02-14 02:50:30,231 INFO L87 Difference]: Start difference. First operand 61049 states and 69131 transitions. Second operand has 192 states, 191 states have (on average 5.968586387434555) internal successors, (1140), 192 states have internal predecessors, (1140), 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)