./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-restricted-15/NO_13.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 26d01a9c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-restricted-15/NO_13.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 eeea679d58a502ae5881094604c1f31424fa081cb4c3d3de58dd4530f33f3571 --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-17 04:05:48,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 04:05:48,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 04:05:48,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 04:05:48,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 04:05:48,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 04:05:48,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 04:05:48,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 04:05:48,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 04:05:48,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 04:05:48,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 04:05:48,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 04:05:48,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 04:05:48,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 04:05:48,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 04:05:48,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 04:05:48,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 04:05:48,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 04:05:48,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 04:05:48,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 04:05:48,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 04:05:48,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 04:05:48,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 04:05:48,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 04:05:48,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 04:05:48,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 04:05:48,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 04:05:48,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 04:05:48,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 04:05:48,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 04:05:48,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 04:05:48,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 04:05:48,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 04:05:48,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 04:05:48,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 04:05:48,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 04:05:48,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 04:05:48,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 04:05:48,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 04:05:48,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 04:05:48,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 04:05:48,659 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-17 04:05:48,686 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 04:05:48,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 04:05:48,687 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 04:05:48,687 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 04:05:48,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-17 04:05:48,688 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-17 04:05:48,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 04:05:48,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 04:05:48,689 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 04:05:48,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 04:05:48,689 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-17 04:05:48,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 04:05:48,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 04:05:48,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-17 04:05:48,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-17 04:05:48,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-17 04:05:48,691 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-17 04:05:48,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-17 04:05:48,691 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 04:05:48,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-17 04:05:48,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 04:05:48,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 04:05:48,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-17 04:05:48,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 04:05:48,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 04:05:48,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-17 04:05:48,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-17 04:05:48,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 04:05:48,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-17 04:05:48,694 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-17 04:05:48,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-17 04:05:48,694 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-17 04:05:48,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-17 04:05:48,695 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-17 04:05:48,695 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eeea679d58a502ae5881094604c1f31424fa081cb4c3d3de58dd4530f33f3571 [2023-02-17 04:05:48,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 04:05:48,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 04:05:48,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 04:05:48,955 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 04:05:48,955 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 04:05:48,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/NO_13.c [2023-02-17 04:05:50,179 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 04:05:50,356 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 04:05:50,357 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/NO_13.c [2023-02-17 04:05:50,362 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/978aa56d9/d169926367c34cd68788b62bb4e44f32/FLAG7e9ffa9e5 [2023-02-17 04:05:50,377 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/978aa56d9/d169926367c34cd68788b62bb4e44f32 [2023-02-17 04:05:50,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 04:05:50,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 04:05:50,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 04:05:50,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 04:05:50,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 04:05:50,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 04:05:50" (1/1) ... [2023-02-17 04:05:50,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68759f9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:05:50, skipping insertion in model container [2023-02-17 04:05:50,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 04:05:50" (1/1) ... [2023-02-17 04:05:50,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 04:05:50,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 04:05:50,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 04:05:50,543 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 04:05:50,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 04:05:50,568 INFO L208 MainTranslator]: Completed translation [2023-02-17 04:05:50,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:05:50 WrapperNode [2023-02-17 04:05:50,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 04:05:50,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 04:05:50,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 04:05:50,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 04:05:50,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:05:50" (1/1) ... [2023-02-17 04:05:50,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:05:50" (1/1) ... [2023-02-17 04:05:50,598 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2023-02-17 04:05:50,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 04:05:50,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 04:05:50,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 04:05:50,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 04:05:50,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:05:50" (1/1) ... [2023-02-17 04:05:50,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:05:50" (1/1) ... [2023-02-17 04:05:50,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:05:50" (1/1) ... [2023-02-17 04:05:50,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:05:50" (1/1) ... [2023-02-17 04:05:50,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:05:50" (1/1) ... [2023-02-17 04:05:50,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:05:50" (1/1) ... [2023-02-17 04:05:50,614 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:05:50" (1/1) ... [2023-02-17 04:05:50,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:05:50" (1/1) ... [2023-02-17 04:05:50,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 04:05:50,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 04:05:50,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 04:05:50,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 04:05:50,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:05:50" (1/1) ... [2023-02-17 04:05:50,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 04:05:50,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:05:50,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-17 04:05:50,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-17 04:05:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 04:05:50,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 04:05:50,756 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 04:05:50,758 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 04:05:50,893 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 04:05:50,899 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 04:05:50,899 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-17 04:05:50,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:05:50 BoogieIcfgContainer [2023-02-17 04:05:50,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 04:05:50,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-17 04:05:50,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-17 04:05:50,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-17 04:05:50,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 04:05:50" (1/3) ... [2023-02-17 04:05:50,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a5a319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 04:05:50, skipping insertion in model container [2023-02-17 04:05:50,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:05:50" (2/3) ... [2023-02-17 04:05:50,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a5a319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 04:05:50, skipping insertion in model container [2023-02-17 04:05:50,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:05:50" (3/3) ... [2023-02-17 04:05:50,909 INFO L112 eAbstractionObserver]: Analyzing ICFG NO_13.c [2023-02-17 04:05:50,927 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-17 04:05:50,927 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-02-17 04:05:50,989 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-17 04:05:50,995 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;@6621c8a9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-17 04:05:50,996 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-02-17 04:05:51,000 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 23 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:51,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-17 04:05:51,005 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:05:51,006 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-17 04:05:51,007 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 04:05:51,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:05:51,013 INFO L85 PathProgramCache]: Analyzing trace with hash 28700073, now seen corresponding path program 1 times [2023-02-17 04:05:51,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:05:51,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320616990] [2023-02-17 04:05:51,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:05:51,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:05:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:05:51,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:05:51,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:05:51,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320616990] [2023-02-17 04:05:51,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320616990] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:05:51,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:05:51,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:05:51,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100171909] [2023-02-17 04:05:51,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:05:51,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 04:05:51,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:05:51,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 04:05:51,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:05:51,203 INFO L87 Difference]: Start difference. First operand has 24 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 23 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:51,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:05:51,278 INFO L93 Difference]: Finished difference Result 58 states and 66 transitions. [2023-02-17 04:05:51,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 04:05:51,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-02-17 04:05:51,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:05:51,289 INFO L225 Difference]: With dead ends: 58 [2023-02-17 04:05:51,290 INFO L226 Difference]: Without dead ends: 28 [2023-02-17 04:05:51,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:05:51,296 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 11 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:05:51,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 31 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:05:51,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2023-02-17 04:05:51,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2023-02-17 04:05:51,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 24 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) [2023-02-17 04:05:51,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2023-02-17 04:05:51,347 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 5 [2023-02-17 04:05:51,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:05:51,348 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2023-02-17 04:05:51,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:51,348 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-02-17 04:05:51,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-17 04:05:51,349 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:05:51,349 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-17 04:05:51,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-17 04:05:51,349 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 04:05:51,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:05:51,350 INFO L85 PathProgramCache]: Analyzing trace with hash 28699753, now seen corresponding path program 1 times [2023-02-17 04:05:51,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:05:51,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694762881] [2023-02-17 04:05:51,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:05:51,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:05:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:05:51,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:05:51,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:05:51,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694762881] [2023-02-17 04:05:51,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694762881] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:05:51,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:05:51,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-17 04:05:51,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449954491] [2023-02-17 04:05:51,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:05:51,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 04:05:51,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:05:51,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 04:05:51,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:05:51,378 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:51,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:05:51,409 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2023-02-17 04:05:51,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 04:05:51,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-02-17 04:05:51,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:05:51,411 INFO L225 Difference]: With dead ends: 37 [2023-02-17 04:05:51,411 INFO L226 Difference]: Without dead ends: 35 [2023-02-17 04:05:51,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:05:51,413 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 9 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:05:51,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 25 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:05:51,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-02-17 04:05:51,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2023-02-17 04:05:51,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 31 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:51,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2023-02-17 04:05:51,420 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 5 [2023-02-17 04:05:51,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:05:51,420 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2023-02-17 04:05:51,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:51,421 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2023-02-17 04:05:51,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-17 04:05:51,421 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:05:51,421 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-17 04:05:51,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-17 04:05:51,422 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 04:05:51,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:05:51,423 INFO L85 PathProgramCache]: Analyzing trace with hash 889692391, now seen corresponding path program 1 times [2023-02-17 04:05:51,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:05:51,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855498033] [2023-02-17 04:05:51,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:05:51,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:05:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:05:51,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:05:51,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:05:51,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855498033] [2023-02-17 04:05:51,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855498033] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:05:51,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:05:51,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-17 04:05:51,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152105226] [2023-02-17 04:05:51,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:05:51,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 04:05:51,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:05:51,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 04:05:51,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:05:51,450 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:51,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:05:51,488 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2023-02-17 04:05:51,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 04:05:51,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-02-17 04:05:51,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:05:51,489 INFO L225 Difference]: With dead ends: 33 [2023-02-17 04:05:51,489 INFO L226 Difference]: Without dead ends: 32 [2023-02-17 04:05:51,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:05:51,491 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:05:51,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:05:51,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-02-17 04:05:51,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2023-02-17 04:05:51,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 31 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:51,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2023-02-17 04:05:51,497 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 6 [2023-02-17 04:05:51,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:05:51,498 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2023-02-17 04:05:51,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:51,498 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2023-02-17 04:05:51,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-17 04:05:51,498 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:05:51,499 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:05:51,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-17 04:05:51,499 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 04:05:51,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:05:51,500 INFO L85 PathProgramCache]: Analyzing trace with hash 295897449, now seen corresponding path program 1 times [2023-02-17 04:05:51,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:05:51,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545253586] [2023-02-17 04:05:51,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:05:51,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:05:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:05:51,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:05:51,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:05:51,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545253586] [2023-02-17 04:05:51,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545253586] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:05:51,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:05:51,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-17 04:05:51,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917169136] [2023-02-17 04:05:51,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:05:51,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 04:05:51,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:05:51,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 04:05:51,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:05:51,549 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:51,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:05:51,588 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2023-02-17 04:05:51,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 04:05:51,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-02-17 04:05:51,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:05:51,590 INFO L225 Difference]: With dead ends: 34 [2023-02-17 04:05:51,590 INFO L226 Difference]: Without dead ends: 32 [2023-02-17 04:05:51,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:05:51,592 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 9 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:05:51,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 16 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:05:51,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-02-17 04:05:51,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2023-02-17 04:05:51,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 30 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:51,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2023-02-17 04:05:51,597 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 8 [2023-02-17 04:05:51,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:05:51,598 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2023-02-17 04:05:51,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:51,598 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2023-02-17 04:05:51,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-17 04:05:51,599 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:05:51,599 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:05:51,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-17 04:05:51,599 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 04:05:51,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:05:51,600 INFO L85 PathProgramCache]: Analyzing trace with hash 215065048, now seen corresponding path program 1 times [2023-02-17 04:05:51,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:05:51,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893152000] [2023-02-17 04:05:51,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:05:51,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:05:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:05:51,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:05:51,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:05:51,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893152000] [2023-02-17 04:05:51,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893152000] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 04:05:51,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995391775] [2023-02-17 04:05:51,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:05:51,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:05:51,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:05:51,649 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 04:05:51,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-17 04:05:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:05:51,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-17 04:05:51,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:05:51,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:05:51,754 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 04:05:51,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:05:51,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995391775] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 04:05:51,789 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 04:05:51,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2023-02-17 04:05:51,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668527097] [2023-02-17 04:05:51,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 04:05:51,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-02-17 04:05:51,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:05:51,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-02-17 04:05:51,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-02-17 04:05:51,794 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 8 states, 8 states have (on average 4.25) 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) [2023-02-17 04:05:51,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:05:51,892 INFO L93 Difference]: Finished difference Result 55 states and 64 transitions. [2023-02-17 04:05:51,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-02-17 04:05:51,892 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.25) 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 12 [2023-02-17 04:05:51,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:05:51,893 INFO L225 Difference]: With dead ends: 55 [2023-02-17 04:05:51,893 INFO L226 Difference]: Without dead ends: 37 [2023-02-17 04:05:51,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2023-02-17 04:05:51,895 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 20 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:05:51,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 18 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:05:51,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-02-17 04:05:51,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2023-02-17 04:05:51,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 35 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:51,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2023-02-17 04:05:51,901 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 12 [2023-02-17 04:05:51,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:05:51,901 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2023-02-17 04:05:51,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.25) 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) [2023-02-17 04:05:51,902 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2023-02-17 04:05:51,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-17 04:05:51,902 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:05:51,902 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1] [2023-02-17 04:05:51,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-17 04:05:52,108 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 [2023-02-17 04:05:52,109 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 04:05:52,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:05:52,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1197661173, now seen corresponding path program 1 times [2023-02-17 04:05:52,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:05:52,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971472233] [2023-02-17 04:05:52,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:05:52,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:05:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:05:52,184 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:05:52,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:05:52,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971472233] [2023-02-17 04:05:52,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971472233] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 04:05:52,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759011241] [2023-02-17 04:05:52,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:05:52,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:05:52,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:05:52,187 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 04:05:52,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-17 04:05:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:05:52,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-17 04:05:52,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:05:52,255 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:05:52,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 04:05:52,278 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:05:52,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759011241] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 04:05:52,279 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 04:05:52,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-02-17 04:05:52,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282857367] [2023-02-17 04:05:52,280 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 04:05:52,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-02-17 04:05:52,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:05:52,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-02-17 04:05:52,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-02-17 04:05:52,282 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:52,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:05:52,362 INFO L93 Difference]: Finished difference Result 132 states and 170 transitions. [2023-02-17 04:05:52,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-17 04:05:52,363 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-02-17 04:05:52,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:05:52,365 INFO L225 Difference]: With dead ends: 132 [2023-02-17 04:05:52,366 INFO L226 Difference]: Without dead ends: 131 [2023-02-17 04:05:52,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-02-17 04:05:52,367 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 48 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:05:52,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 78 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:05:52,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-02-17 04:05:52,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 112. [2023-02-17 04:05:52,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 106 states have (on average 1.4433962264150944) internal successors, (153), 111 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:52,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 153 transitions. [2023-02-17 04:05:52,381 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 153 transitions. Word has length 18 [2023-02-17 04:05:52,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:05:52,381 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 153 transitions. [2023-02-17 04:05:52,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:52,381 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 153 transitions. [2023-02-17 04:05:52,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-02-17 04:05:52,382 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:05:52,382 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-02-17 04:05:52,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-17 04:05:52,588 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 [2023-02-17 04:05:52,588 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 04:05:52,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:05:52,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1526901411, now seen corresponding path program 1 times [2023-02-17 04:05:52,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:05:52,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616708835] [2023-02-17 04:05:52,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:05:52,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:05:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:05:52,634 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-17 04:05:52,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:05:52,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616708835] [2023-02-17 04:05:52,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616708835] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:05:52,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:05:52,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:05:52,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734312236] [2023-02-17 04:05:52,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:05:52,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:05:52,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:05:52,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:05:52,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:05:52,639 INFO L87 Difference]: Start difference. First operand 112 states and 153 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:52,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:05:52,669 INFO L93 Difference]: Finished difference Result 172 states and 243 transitions. [2023-02-17 04:05:52,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:05:52,671 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 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 19 [2023-02-17 04:05:52,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:05:52,672 INFO L225 Difference]: With dead ends: 172 [2023-02-17 04:05:52,672 INFO L226 Difference]: Without dead ends: 106 [2023-02-17 04:05:52,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:05:52,674 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 6 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:05:52,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 14 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:05:52,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-02-17 04:05:52,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2023-02-17 04:05:52,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 102 states have (on average 1.2647058823529411) internal successors, (129), 105 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:52,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 129 transitions. [2023-02-17 04:05:52,684 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 129 transitions. Word has length 19 [2023-02-17 04:05:52,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:05:52,684 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 129 transitions. [2023-02-17 04:05:52,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:52,684 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 129 transitions. [2023-02-17 04:05:52,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-02-17 04:05:52,685 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:05:52,685 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:05:52,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-17 04:05:52,686 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 04:05:52,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:05:52,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1853477558, now seen corresponding path program 1 times [2023-02-17 04:05:52,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:05:52,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936273247] [2023-02-17 04:05:52,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:05:52,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:05:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:05:52,726 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-02-17 04:05:52,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:05:52,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936273247] [2023-02-17 04:05:52,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936273247] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:05:52,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:05:52,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:05:52,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480508642] [2023-02-17 04:05:52,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:05:52,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:05:52,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:05:52,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:05:52,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:05:52,729 INFO L87 Difference]: Start difference. First operand 106 states and 129 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:52,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:05:52,745 INFO L93 Difference]: Finished difference Result 112 states and 139 transitions. [2023-02-17 04:05:52,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:05:52,746 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 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 23 [2023-02-17 04:05:52,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:05:52,747 INFO L225 Difference]: With dead ends: 112 [2023-02-17 04:05:52,747 INFO L226 Difference]: Without dead ends: 110 [2023-02-17 04:05:52,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:05:52,748 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 9 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:05:52,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 14 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:05:52,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-02-17 04:05:52,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 100. [2023-02-17 04:05:52,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 98 states have (on average 1.1734693877551021) internal successors, (115), 99 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:52,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2023-02-17 04:05:52,757 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 23 [2023-02-17 04:05:52,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:05:52,758 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2023-02-17 04:05:52,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:52,758 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2023-02-17 04:05:52,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-02-17 04:05:52,759 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:05:52,759 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:05:52,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-17 04:05:52,759 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 04:05:52,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:05:52,760 INFO L85 PathProgramCache]: Analyzing trace with hash -850325272, now seen corresponding path program 1 times [2023-02-17 04:05:52,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:05:52,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180803890] [2023-02-17 04:05:52,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:05:52,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:05:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:05:52,796 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-02-17 04:05:52,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:05:52,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180803890] [2023-02-17 04:05:52,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180803890] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:05:52,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:05:52,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:05:52,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120849962] [2023-02-17 04:05:52,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:05:52,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:05:52,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:05:52,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:05:52,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:05:52,798 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:52,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:05:52,819 INFO L93 Difference]: Finished difference Result 138 states and 158 transitions. [2023-02-17 04:05:52,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:05:52,820 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2023-02-17 04:05:52,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:05:52,821 INFO L225 Difference]: With dead ends: 138 [2023-02-17 04:05:52,821 INFO L226 Difference]: Without dead ends: 56 [2023-02-17 04:05:52,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:05:52,822 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 2 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:05:52,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 26 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:05:52,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-02-17 04:05:52,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2023-02-17 04:05:52,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.0555555555555556) internal successors, (57), 54 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:52,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2023-02-17 04:05:52,828 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 26 [2023-02-17 04:05:52,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:05:52,828 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2023-02-17 04:05:52,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:52,828 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2023-02-17 04:05:52,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-02-17 04:05:52,829 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:05:52,829 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 1, 1, 1] [2023-02-17 04:05:52,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-02-17 04:05:52,830 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 04:05:52,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:05:52,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1264164079, now seen corresponding path program 2 times [2023-02-17 04:05:52,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:05:52,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675402077] [2023-02-17 04:05:52,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:05:52,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:05:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:05:52,939 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:05:52,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:05:52,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675402077] [2023-02-17 04:05:52,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675402077] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 04:05:52,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179215512] [2023-02-17 04:05:52,940 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-17 04:05:52,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:05:52,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:05:52,942 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 04:05:52,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-17 04:05:52,992 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-17 04:05:52,992 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 04:05:52,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-17 04:05:52,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:05:53,066 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:05:53,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 04:05:53,160 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:05:53,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179215512] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 04:05:53,161 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 04:05:53,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2023-02-17 04:05:53,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140547138] [2023-02-17 04:05:53,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 04:05:53,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-02-17 04:05:53,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:05:53,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-02-17 04:05:53,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2023-02-17 04:05:53,166 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand has 16 states, 15 states have (on average 5.533333333333333) internal successors, (83), 16 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:53,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:05:53,267 INFO L93 Difference]: Finished difference Result 190 states and 214 transitions. [2023-02-17 04:05:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-02-17 04:05:53,268 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.533333333333333) internal successors, (83), 16 states have internal predecessors, (83), 0 states have call successors, (0), 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 [2023-02-17 04:05:53,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:05:53,270 INFO L225 Difference]: With dead ends: 190 [2023-02-17 04:05:53,271 INFO L226 Difference]: Without dead ends: 103 [2023-02-17 04:05:53,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 70 SyntacticMatches, 6 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2023-02-17 04:05:53,276 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 50 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:05:53,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 92 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:05:53,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-02-17 04:05:53,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2023-02-17 04:05:53,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 102 states have (on average 1.0294117647058822) internal successors, (105), 102 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:53,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 105 transitions. [2023-02-17 04:05:53,299 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 105 transitions. Word has length 42 [2023-02-17 04:05:53,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:05:53,303 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 105 transitions. [2023-02-17 04:05:53,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.533333333333333) internal successors, (83), 16 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:53,304 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 105 transitions. [2023-02-17 04:05:53,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-02-17 04:05:53,307 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:05:53,308 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 1, 1, 1] [2023-02-17 04:05:53,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-17 04:05:53,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:05:53,513 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 04:05:53,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:05:53,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1968420169, now seen corresponding path program 3 times [2023-02-17 04:05:53,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:05:53,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591149812] [2023-02-17 04:05:53,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:05:53,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:05:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:05:53,892 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:05:53,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:05:53,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591149812] [2023-02-17 04:05:53,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591149812] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 04:05:53,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423165551] [2023-02-17 04:05:53,893 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-17 04:05:53,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:05:53,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:05:53,895 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 04:05:53,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-17 04:05:53,937 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-02-17 04:05:53,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 04:05:53,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-17 04:05:53,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:05:53,975 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2023-02-17 04:05:53,975 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-17 04:05:53,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423165551] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:05:53,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-17 04:05:53,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [16] total 18 [2023-02-17 04:05:53,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170372565] [2023-02-17 04:05:53,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:05:53,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:05:53,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:05:53,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:05:53,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=187, Unknown=0, NotChecked=0, Total=342 [2023-02-17 04:05:53,977 INFO L87 Difference]: Start difference. First operand 103 states and 105 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:54,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:05:54,008 INFO L93 Difference]: Finished difference Result 103 states and 105 transitions. [2023-02-17 04:05:54,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:05:54,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2023-02-17 04:05:54,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:05:54,009 INFO L225 Difference]: With dead ends: 103 [2023-02-17 04:05:54,009 INFO L226 Difference]: Without dead ends: 0 [2023-02-17 04:05:54,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=159, Invalid=221, Unknown=0, NotChecked=0, Total=380 [2023-02-17 04:05:54,011 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 14 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:05:54,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 4 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:05:54,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-17 04:05:54,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-17 04:05:54,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:54,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-17 04:05:54,012 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2023-02-17 04:05:54,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:05:54,012 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-17 04:05:54,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:05:54,013 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-17 04:05:54,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-17 04:05:54,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-02-17 04:05:54,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-02-17 04:05:54,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-02-17 04:05:54,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-02-17 04:05:54,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-02-17 04:05:54,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-02-17 04:05:54,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-02-17 04:05:54,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-02-17 04:05:54,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-17 04:05:54,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:05:54,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-17 04:05:54,231 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2023-02-17 04:05:54,231 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-17 04:05:54,231 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2023-02-17 04:05:54,231 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2023-02-17 04:05:54,232 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2023-02-17 04:05:54,232 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2023-02-17 04:05:54,232 INFO L899 garLoopResultBuilder]: For program point L13-2(line 13) no Hoare annotation was computed. [2023-02-17 04:05:54,232 INFO L899 garLoopResultBuilder]: For program point L13-3(line 13) no Hoare annotation was computed. [2023-02-17 04:05:54,232 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-17 04:05:54,233 INFO L899 garLoopResultBuilder]: For program point L11-2(lines 11 14) no Hoare annotation was computed. [2023-02-17 04:05:54,233 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 5 17) the Hoare annotation is: true [2023-02-17 04:05:54,233 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2023-02-17 04:05:54,234 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-17 04:05:54,234 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2023-02-17 04:05:54,234 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2023-02-17 04:05:54,234 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2023-02-17 04:05:54,234 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-17 04:05:54,234 INFO L899 garLoopResultBuilder]: For program point L12(lines 12 13) no Hoare annotation was computed. [2023-02-17 04:05:54,234 INFO L899 garLoopResultBuilder]: For program point L12-1(line 12) no Hoare annotation was computed. [2023-02-17 04:05:54,235 INFO L899 garLoopResultBuilder]: For program point L12-2(line 12) no Hoare annotation was computed. [2023-02-17 04:05:54,235 INFO L899 garLoopResultBuilder]: For program point L12-3(line 12) no Hoare annotation was computed. [2023-02-17 04:05:54,235 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2023-02-17 04:05:54,235 INFO L899 garLoopResultBuilder]: For program point L12-4(line 12) no Hoare annotation was computed. [2023-02-17 04:05:54,239 INFO L895 garLoopResultBuilder]: At program point L12-6(lines 11 14) the Hoare annotation is: (let ((.cse21 (+ |ULTIMATE.start_main_~i~0#1| 1))) (let ((.cse16 (< .cse21 2147483642)) (.cse13 (< .cse21 2147483644)) (.cse5 (< .cse21 2147483643)) (.cse19 (<= |ULTIMATE.start_main_~i~0#1| 5)) (.cse0 (< .cse21 2147483645)) (.cse1 (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648))) (.cse3 (<= |ULTIMATE.start_main_~j~0#1| 52)) (.cse20 (<= |ULTIMATE.start_main_~i~0#1| 6)) (.cse10 (<= .cse21 2147483647)) (.cse2 (<= 0 (+ |ULTIMATE.start_main_~j~0#1| (- 52)))) (.cse17 (<= |ULTIMATE.start_main_~i~0#1| 1)) (.cse14 (< .cse21 2147483647)) (.cse6 (<= |ULTIMATE.start_main_~j~0#1| 51)) (.cse15 (< .cse21 2147483646)) (.cse9 (<= (+ |ULTIMATE.start_main_~j~0#1| 1) 2147483648)) (.cse18 (<= |ULTIMATE.start_main_~i~0#1| 2)) (.cse11 (<= 0 |ULTIMATE.start_main_~i~0#1|)) (.cse12 (<= |ULTIMATE.start_main_~j~0#1| 100)) (.cse4 (< .cse21 2147483649)) (.cse7 (<= 0 (+ 2147483647 |ULTIMATE.start_main_~i~0#1|))) (.cse8 (<= 0 (+ (- 51) |ULTIMATE.start_main_~j~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse4 .cse7 .cse8) (and .cse0 .cse6 .cse4 .cse7 .cse8) (and .cse9 .cse10 .cse11 .cse12 .cse4 .cse7 .cse8) (and .cse13 .cse6 .cse4 .cse7 .cse8) (and .cse14 .cse1 .cse2 .cse3 .cse4) (and .cse13 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse15 .cse2 .cse3 .cse4) (and .cse9 .cse11 .cse12 .cse4 .cse7 .cse16 .cse8) (and .cse1 .cse2 .cse3 .cse4 .cse17) (and .cse18 .cse6 .cse4 .cse7 .cse8) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 .cse16) (and .cse9 .cse13 .cse11 .cse12 .cse4 .cse7 .cse8) (and .cse6 .cse15 .cse4 .cse7 .cse8) (and .cse9 .cse5 .cse11 .cse12 .cse4 .cse7 .cse8) (and .cse9 .cse10 .cse11 .cse12 .cse4 .cse19 .cse7 .cse8) (and .cse9 .cse14 .cse11 .cse12 .cse4 .cse7 .cse8) (and .cse1 .cse2 .cse3 .cse4 .cse19) (and .cse9 .cse6 .cse4 .cse7 .cse8) (and .cse6 .cse10 .cse4 .cse7 .cse8) (and .cse6 .cse20 .cse4 .cse7 .cse8) (and .cse0 .cse9 .cse11 .cse12 .cse4 .cse7 .cse8) (and .cse9 .cse14 (<= |ULTIMATE.start_main_~i~0#1| 4) .cse11 .cse12 .cse4 .cse7 .cse8) (and .cse9 .cse15 .cse11 .cse12 .cse4 .cse7 .cse8) (and .cse9 .cse1 .cse10 .cse2 .cse3 .cse4) (and .cse9 .cse20 .cse11 .cse12 .cse4 .cse7 .cse8) (and .cse9 (<= 0 (+ (- 100) |ULTIMATE.start_main_~j~0#1|)) (<= |ULTIMATE.start_main_~i~0#1| 0) .cse10 .cse11 .cse2 .cse12 .cse7) (and .cse9 .cse11 .cse12 (<= (+ (- 1) |ULTIMATE.start_main_~i~0#1|) 0) .cse7 .cse17 (<= 0 (+ |ULTIMATE.start_main_~j~0#1| (- 99))) .cse8) (and .cse9 .cse11 .cse12 .cse4 .cse7 .cse8) (and .cse14 .cse6 .cse4 .cse7 .cse8) (and .cse9 (<= |ULTIMATE.start_main_~i~0#1| 3) .cse15 .cse11 .cse12 .cse4 .cse7 .cse8) (and .cse9 .cse18 .cse11 .cse12 .cse4 .cse7 .cse8)))) [2023-02-17 04:05:54,243 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:05:54,245 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-17 04:05:54,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.02 04:05:54 BoogieIcfgContainer [2023-02-17 04:05:54,289 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-17 04:05:54,289 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-17 04:05:54,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-17 04:05:54,289 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-17 04:05:54,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:05:50" (3/4) ... [2023-02-17 04:05:54,293 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-17 04:05:54,301 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-17 04:05:54,302 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-17 04:05:54,302 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-17 04:05:54,327 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-17 04:05:54,330 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-17 04:05:54,331 INFO L158 Benchmark]: Toolchain (without parser) took 3949.99ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 99.9MB in the beginning and 63.8MB in the end (delta: 36.1MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. [2023-02-17 04:05:54,331 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 04:05:54,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 187.93ms. Allocated memory is still 146.8MB. Free memory was 99.9MB in the beginning and 90.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-17 04:05:54,331 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.62ms. Allocated memory is still 146.8MB. Free memory was 90.9MB in the beginning and 89.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 04:05:54,332 INFO L158 Benchmark]: Boogie Preprocessor took 15.95ms. Allocated memory is still 146.8MB. Free memory was 89.4MB in the beginning and 88.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 04:05:54,332 INFO L158 Benchmark]: RCFGBuilder took 284.09ms. Allocated memory is still 146.8MB. Free memory was 88.2MB in the beginning and 78.9MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-17 04:05:54,333 INFO L158 Benchmark]: TraceAbstraction took 3385.17ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 77.8MB in the beginning and 65.9MB in the end (delta: 11.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-02-17 04:05:54,333 INFO L158 Benchmark]: Witness Printer took 40.91ms. Allocated memory is still 182.5MB. Free memory was 65.9MB in the beginning and 63.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 04:05:54,334 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 187.93ms. Allocated memory is still 146.8MB. Free memory was 99.9MB in the beginning and 90.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.62ms. Allocated memory is still 146.8MB. Free memory was 90.9MB in the beginning and 89.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.95ms. Allocated memory is still 146.8MB. Free memory was 89.4MB in the beginning and 88.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 284.09ms. Allocated memory is still 146.8MB. Free memory was 88.2MB in the beginning and 78.9MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3385.17ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 77.8MB in the beginning and 65.9MB in the end (delta: 11.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 40.91ms. Allocated memory is still 182.5MB. Free memory was 65.9MB in the beginning and 63.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 11, TraceHistogramMax: 15, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 178 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 178 mSDsluCounter, 347 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 213 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 282 IncrementalHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 134 mSDtfsCounter, 282 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 284 GetRequests, 217 SyntacticMatches, 8 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=6, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 38 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 37 NumberOfFragments, 917 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 416 NumberOfCodeBlocks, 338 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 470 ConstructedInterpolants, 0 QuantifiedInterpolants, 1328 SizeOfPredicates, 1 NumberOfNonLiveVariables, 144 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 18 InterpolantComputations, 8 PerfectInterpolantSequences, 654/1646 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((i + 1 < 2147483645 && 0 <= i + 2147483648) && 0 <= j + -52) && j <= 52) && i + 1 < 2147483649) || ((((i + 1 < 2147483643 && j <= 51) && i + 1 < 2147483649) && 0 <= 2147483647 + i) && 0 <= -51 + j)) || ((((i + 1 < 2147483645 && j <= 51) && i + 1 < 2147483649) && 0 <= 2147483647 + i) && 0 <= -51 + j)) || ((((((j + 1 <= 2147483648 && i + 1 <= 2147483647) && 0 <= i) && j <= 100) && i + 1 < 2147483649) && 0 <= 2147483647 + i) && 0 <= -51 + j)) || ((((i + 1 < 2147483644 && j <= 51) && i + 1 < 2147483649) && 0 <= 2147483647 + i) && 0 <= -51 + j)) || ((((i + 1 < 2147483647 && 0 <= i + 2147483648) && 0 <= j + -52) && j <= 52) && i + 1 < 2147483649)) || ((((i + 1 < 2147483644 && 0 <= i + 2147483648) && 0 <= j + -52) && j <= 52) && i + 1 < 2147483649)) || ((((0 <= i + 2147483648 && i + 1 < 2147483646) && 0 <= j + -52) && j <= 52) && i + 1 < 2147483649)) || ((((((j + 1 <= 2147483648 && 0 <= i) && j <= 100) && i + 1 < 2147483649) && 0 <= 2147483647 + i) && i + 1 < 2147483642) && 0 <= -51 + j)) || ((((0 <= i + 2147483648 && 0 <= j + -52) && j <= 52) && i + 1 < 2147483649) && i <= 1)) || ((((i <= 2 && j <= 51) && i + 1 < 2147483649) && 0 <= 2147483647 + i) && 0 <= -51 + j)) || ((((i + 1 < 2147483643 && 0 <= i + 2147483648) && 0 <= j + -52) && j <= 52) && i + 1 < 2147483649)) || ((((0 <= i + 2147483648 && 0 <= j + -52) && j <= 52) && i + 1 < 2147483649) && i + 1 < 2147483642)) || ((((((j + 1 <= 2147483648 && i + 1 < 2147483644) && 0 <= i) && j <= 100) && i + 1 < 2147483649) && 0 <= 2147483647 + i) && 0 <= -51 + j)) || ((((j <= 51 && i + 1 < 2147483646) && i + 1 < 2147483649) && 0 <= 2147483647 + i) && 0 <= -51 + j)) || ((((((j + 1 <= 2147483648 && i + 1 < 2147483643) && 0 <= i) && j <= 100) && i + 1 < 2147483649) && 0 <= 2147483647 + i) && 0 <= -51 + j)) || (((((((j + 1 <= 2147483648 && i + 1 <= 2147483647) && 0 <= i) && j <= 100) && i + 1 < 2147483649) && i <= 5) && 0 <= 2147483647 + i) && 0 <= -51 + j)) || ((((((j + 1 <= 2147483648 && i + 1 < 2147483647) && 0 <= i) && j <= 100) && i + 1 < 2147483649) && 0 <= 2147483647 + i) && 0 <= -51 + j)) || ((((0 <= i + 2147483648 && 0 <= j + -52) && j <= 52) && i + 1 < 2147483649) && i <= 5)) || ((((j + 1 <= 2147483648 && j <= 51) && i + 1 < 2147483649) && 0 <= 2147483647 + i) && 0 <= -51 + j)) || ((((j <= 51 && i + 1 <= 2147483647) && i + 1 < 2147483649) && 0 <= 2147483647 + i) && 0 <= -51 + j)) || ((((j <= 51 && i <= 6) && i + 1 < 2147483649) && 0 <= 2147483647 + i) && 0 <= -51 + j)) || ((((((i + 1 < 2147483645 && j + 1 <= 2147483648) && 0 <= i) && j <= 100) && i + 1 < 2147483649) && 0 <= 2147483647 + i) && 0 <= -51 + j)) || (((((((j + 1 <= 2147483648 && i + 1 < 2147483647) && i <= 4) && 0 <= i) && j <= 100) && i + 1 < 2147483649) && 0 <= 2147483647 + i) && 0 <= -51 + j)) || ((((((j + 1 <= 2147483648 && i + 1 < 2147483646) && 0 <= i) && j <= 100) && i + 1 < 2147483649) && 0 <= 2147483647 + i) && 0 <= -51 + j)) || (((((j + 1 <= 2147483648 && 0 <= i + 2147483648) && i + 1 <= 2147483647) && 0 <= j + -52) && j <= 52) && i + 1 < 2147483649)) || ((((((j + 1 <= 2147483648 && i <= 6) && 0 <= i) && j <= 100) && i + 1 < 2147483649) && 0 <= 2147483647 + i) && 0 <= -51 + j)) || (((((((j + 1 <= 2147483648 && 0 <= -100 + j) && i <= 0) && i + 1 <= 2147483647) && 0 <= i) && 0 <= j + -52) && j <= 100) && 0 <= 2147483647 + i)) || (((((((j + 1 <= 2147483648 && 0 <= i) && j <= 100) && -1 + i <= 0) && 0 <= 2147483647 + i) && i <= 1) && 0 <= j + -99) && 0 <= -51 + j)) || (((((j + 1 <= 2147483648 && 0 <= i) && j <= 100) && i + 1 < 2147483649) && 0 <= 2147483647 + i) && 0 <= -51 + j)) || ((((i + 1 < 2147483647 && j <= 51) && i + 1 < 2147483649) && 0 <= 2147483647 + i) && 0 <= -51 + j)) || (((((((j + 1 <= 2147483648 && i <= 3) && i + 1 < 2147483646) && 0 <= i) && j <= 100) && i + 1 < 2147483649) && 0 <= 2147483647 + i) && 0 <= -51 + j)) || ((((((j + 1 <= 2147483648 && i <= 2) && 0 <= i) && j <= 100) && i + 1 < 2147483649) && 0 <= 2147483647 + i) && 0 <= -51 + j) RESULT: Ultimate proved your program to be correct! [2023-02-17 04:05:54,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE