./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label55.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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/eca-rers2012/Problem15_label55.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b72ce2b63fc45ad9e7a0a19d4e53676fd1965a82647477e906aa1505ccdd455f --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 12:32:06,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 12:32:06,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 12:32:06,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 12:32:06,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 12:32:06,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 12:32:06,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 12:32:06,634 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 12:32:06,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 12:32:06,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 12:32:06,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 12:32:06,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 12:32:06,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 12:32:06,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 12:32:06,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 12:32:06,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 12:32:06,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 12:32:06,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 12:32:06,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 12:32:06,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 12:32:06,654 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 12:32:06,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 12:32:06,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 12:32:06,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 12:32:06,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 12:32:06,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 12:32:06,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 12:32:06,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 12:32:06,664 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 12:32:06,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 12:32:06,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 12:32:06,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 12:32:06,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 12:32:06,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 12:32:06,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 12:32:06,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 12:32:06,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 12:32:06,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 12:32:06,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 12:32:06,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 12:32:06,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 12:32:06,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 12:32:06,672 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 12:32:06,695 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 12:32:06,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 12:32:06,696 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 12:32:06,696 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 12:32:06,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 12:32:06,697 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 12:32:06,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 12:32:06,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 12:32:06,697 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 12:32:06,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 12:32:06,698 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 12:32:06,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 12:32:06,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 12:32:06,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 12:32:06,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 12:32:06,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 12:32:06,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 12:32:06,699 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 12:32:06,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 12:32:06,700 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 12:32:06,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 12:32:06,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 12:32:06,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 12:32:06,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 12:32:06,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 12:32:06,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 12:32:06,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 12:32:06,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 12:32:06,701 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 12:32:06,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 12:32:06,702 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 12:32:06,702 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 12:32:06,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 12:32:06,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b72ce2b63fc45ad9e7a0a19d4e53676fd1965a82647477e906aa1505ccdd455f [2022-07-19 12:32:06,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 12:32:06,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 12:32:06,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 12:32:06,925 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 12:32:06,926 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 12:32:06,927 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label55.c [2022-07-19 12:32:06,970 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/378572493/dd883498de834d9ab2cfde17100ff791/FLAG27a60e6ef [2022-07-19 12:32:07,391 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 12:32:07,391 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label55.c [2022-07-19 12:32:07,408 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/378572493/dd883498de834d9ab2cfde17100ff791/FLAG27a60e6ef [2022-07-19 12:32:07,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/378572493/dd883498de834d9ab2cfde17100ff791 [2022-07-19 12:32:07,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 12:32:07,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 12:32:07,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 12:32:07,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 12:32:07,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 12:32:07,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 12:32:07" (1/1) ... [2022-07-19 12:32:07,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a01ae24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:32:07, skipping insertion in model container [2022-07-19 12:32:07,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 12:32:07" (1/1) ... [2022-07-19 12:32:07,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 12:32:07,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 12:32:07,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label55.c[6938,6951] [2022-07-19 12:32:08,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 12:32:08,248 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 12:32:08,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label55.c[6938,6951] [2022-07-19 12:32:08,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 12:32:08,428 INFO L208 MainTranslator]: Completed translation [2022-07-19 12:32:08,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:32:08 WrapperNode [2022-07-19 12:32:08,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 12:32:08,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 12:32:08,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 12:32:08,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 12:32:08,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:32:08" (1/1) ... [2022-07-19 12:32:08,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:32:08" (1/1) ... [2022-07-19 12:32:08,563 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2022-07-19 12:32:08,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 12:32:08,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 12:32:08,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 12:32:08,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 12:32:08,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:32:08" (1/1) ... [2022-07-19 12:32:08,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:32:08" (1/1) ... [2022-07-19 12:32:08,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:32:08" (1/1) ... [2022-07-19 12:32:08,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:32:08" (1/1) ... [2022-07-19 12:32:08,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:32:08" (1/1) ... [2022-07-19 12:32:08,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:32:08" (1/1) ... [2022-07-19 12:32:08,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:32:08" (1/1) ... [2022-07-19 12:32:08,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 12:32:08,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 12:32:08,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 12:32:08,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 12:32:08,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:32:08" (1/1) ... [2022-07-19 12:32:08,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 12:32:08,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:32:08,730 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) [2022-07-19 12:32:08,771 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 [2022-07-19 12:32:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 12:32:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 12:32:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 12:32:08,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 12:32:08,834 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 12:32:08,835 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 12:32:10,583 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 12:32:10,591 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 12:32:10,591 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-19 12:32:10,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 12:32:10 BoogieIcfgContainer [2022-07-19 12:32:10,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 12:32:10,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 12:32:10,594 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 12:32:10,597 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 12:32:10,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 12:32:07" (1/3) ... [2022-07-19 12:32:10,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680b5bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 12:32:10, skipping insertion in model container [2022-07-19 12:32:10,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:32:08" (2/3) ... [2022-07-19 12:32:10,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680b5bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 12:32:10, skipping insertion in model container [2022-07-19 12:32:10,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 12:32:10" (3/3) ... [2022-07-19 12:32:10,599 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label55.c [2022-07-19 12:32:10,608 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 12:32:10,609 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 12:32:10,654 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 12:32:10,660 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1119a326, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@144f1d15 [2022-07-19 12:32:10,661 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 12:32:10,666 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 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) [2022-07-19 12:32:10,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-07-19 12:32:10,673 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:32:10,674 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:32:10,674 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:32:10,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:32:10,679 INFO L85 PathProgramCache]: Analyzing trace with hash -66916295, now seen corresponding path program 1 times [2022-07-19 12:32:10,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:32:10,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561951466] [2022-07-19 12:32:10,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:10,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:32:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:10,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:32:10,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:32:10,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561951466] [2022-07-19 12:32:10,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561951466] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:32:10,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:32:10,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 12:32:10,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111579637] [2022-07-19 12:32:10,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:32:10,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:32:10,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:32:10,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:32:10,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:32:10,929 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 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 19.0) internal successors, (57), 2 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) [2022-07-19 12:32:12,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:32:12,475 INFO L93 Difference]: Finished difference Result 1155 states and 2106 transitions. [2022-07-19 12:32:12,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:32:12,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 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) Word has length 57 [2022-07-19 12:32:12,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:32:12,494 INFO L225 Difference]: With dead ends: 1155 [2022-07-19 12:32:12,494 INFO L226 Difference]: Without dead ends: 667 [2022-07-19 12:32:12,504 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 [2022-07-19 12:32:12,507 INFO L413 NwaCegarLoop]: 329 mSDtfsCounter, 287 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 12:32:12,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 371 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 12:32:12,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2022-07-19 12:32:12,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 665. [2022-07-19 12:32:12,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 664 states have (on average 1.4789156626506024) internal successors, (982), 664 states have internal predecessors, (982), 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) [2022-07-19 12:32:12,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 982 transitions. [2022-07-19 12:32:12,554 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 982 transitions. Word has length 57 [2022-07-19 12:32:12,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:32:12,554 INFO L495 AbstractCegarLoop]: Abstraction has 665 states and 982 transitions. [2022-07-19 12:32:12,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 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) [2022-07-19 12:32:12,555 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 982 transitions. [2022-07-19 12:32:12,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-07-19 12:32:12,558 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:32:12,558 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:32:12,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 12:32:12,558 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:32:12,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:32:12,559 INFO L85 PathProgramCache]: Analyzing trace with hash -664289441, now seen corresponding path program 1 times [2022-07-19 12:32:12,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:32:12,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734543638] [2022-07-19 12:32:12,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:12,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:32:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:12,648 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:32:12,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:32:12,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734543638] [2022-07-19 12:32:12,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734543638] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:32:12,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:32:12,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 12:32:12,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492387066] [2022-07-19 12:32:12,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:32:12,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:32:12,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:32:12,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:32:12,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:32:12,652 INFO L87 Difference]: Start difference. First operand 665 states and 982 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:32:14,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:32:14,346 INFO L93 Difference]: Finished difference Result 1953 states and 2893 transitions. [2022-07-19 12:32:14,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:32:14,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-07-19 12:32:14,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:32:14,364 INFO L225 Difference]: With dead ends: 1953 [2022-07-19 12:32:14,364 INFO L226 Difference]: Without dead ends: 1290 [2022-07-19 12:32:14,365 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 [2022-07-19 12:32:14,366 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 257 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 1249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-19 12:32:14,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 325 Invalid, 1249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 1039 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-19 12:32:14,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2022-07-19 12:32:14,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 1282. [2022-07-19 12:32:14,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1281 states have (on average 1.3989071038251366) internal successors, (1792), 1281 states have internal predecessors, (1792), 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) [2022-07-19 12:32:14,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1792 transitions. [2022-07-19 12:32:14,422 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1792 transitions. Word has length 132 [2022-07-19 12:32:14,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:32:14,425 INFO L495 AbstractCegarLoop]: Abstraction has 1282 states and 1792 transitions. [2022-07-19 12:32:14,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:32:14,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1792 transitions. [2022-07-19 12:32:14,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-07-19 12:32:14,435 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:32:14,436 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:32:14,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 12:32:14,436 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:32:14,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:32:14,437 INFO L85 PathProgramCache]: Analyzing trace with hash 22508777, now seen corresponding path program 1 times [2022-07-19 12:32:14,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:32:14,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973843306] [2022-07-19 12:32:14,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:14,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:32:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:14,547 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:32:14,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:32:14,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973843306] [2022-07-19 12:32:14,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973843306] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:32:14,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:32:14,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 12:32:14,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471326640] [2022-07-19 12:32:14,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:32:14,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:32:14,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:32:14,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:32:14,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:32:14,552 INFO L87 Difference]: Start difference. First operand 1282 states and 1792 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 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) [2022-07-19 12:32:16,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:32:16,462 INFO L93 Difference]: Finished difference Result 3764 states and 5263 transitions. [2022-07-19 12:32:16,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:32:16,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 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 136 [2022-07-19 12:32:16,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:32:16,470 INFO L225 Difference]: With dead ends: 3764 [2022-07-19 12:32:16,470 INFO L226 Difference]: Without dead ends: 2484 [2022-07-19 12:32:16,473 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 [2022-07-19 12:32:16,478 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 236 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-19 12:32:16,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 366 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-19 12:32:16,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2022-07-19 12:32:16,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2182. [2022-07-19 12:32:16,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 2181 states have (on average 1.2815222375057314) internal successors, (2795), 2181 states have internal predecessors, (2795), 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) [2022-07-19 12:32:16,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 2795 transitions. [2022-07-19 12:32:16,514 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 2795 transitions. Word has length 136 [2022-07-19 12:32:16,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:32:16,515 INFO L495 AbstractCegarLoop]: Abstraction has 2182 states and 2795 transitions. [2022-07-19 12:32:16,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 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) [2022-07-19 12:32:16,515 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2795 transitions. [2022-07-19 12:32:16,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-07-19 12:32:16,517 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:32:16,518 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:32:16,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 12:32:16,518 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:32:16,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:32:16,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1359144620, now seen corresponding path program 1 times [2022-07-19 12:32:16,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:32:16,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770387954] [2022-07-19 12:32:16,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:16,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:32:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:16,714 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-07-19 12:32:16,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:32:16,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770387954] [2022-07-19 12:32:16,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770387954] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:32:16,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:32:16,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 12:32:16,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415467306] [2022-07-19 12:32:16,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:32:16,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:32:16,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:32:16,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:32:16,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:32:16,717 INFO L87 Difference]: Start difference. First operand 2182 states and 2795 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 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) [2022-07-19 12:32:18,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:32:18,292 INFO L93 Difference]: Finished difference Result 6166 states and 7961 transitions. [2022-07-19 12:32:18,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:32:18,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 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 227 [2022-07-19 12:32:18,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:32:18,305 INFO L225 Difference]: With dead ends: 6166 [2022-07-19 12:32:18,306 INFO L226 Difference]: Without dead ends: 3986 [2022-07-19 12:32:18,309 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 [2022-07-19 12:32:18,317 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 12:32:18,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 339 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 12:32:18,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3986 states. [2022-07-19 12:32:18,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3986 to 3682. [2022-07-19 12:32:18,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3682 states, 3681 states have (on average 1.2200488997555012) internal successors, (4491), 3681 states have internal predecessors, (4491), 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) [2022-07-19 12:32:18,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3682 states to 3682 states and 4491 transitions. [2022-07-19 12:32:18,374 INFO L78 Accepts]: Start accepts. Automaton has 3682 states and 4491 transitions. Word has length 227 [2022-07-19 12:32:18,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:32:18,375 INFO L495 AbstractCegarLoop]: Abstraction has 3682 states and 4491 transitions. [2022-07-19 12:32:18,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 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) [2022-07-19 12:32:18,375 INFO L276 IsEmpty]: Start isEmpty. Operand 3682 states and 4491 transitions. [2022-07-19 12:32:18,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-07-19 12:32:18,379 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:32:18,379 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:32:18,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 12:32:18,380 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:32:18,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:32:18,380 INFO L85 PathProgramCache]: Analyzing trace with hash -764479700, now seen corresponding path program 1 times [2022-07-19 12:32:18,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:32:18,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316182561] [2022-07-19 12:32:18,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:18,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:32:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:18,600 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-07-19 12:32:18,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:32:18,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316182561] [2022-07-19 12:32:18,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316182561] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:32:18,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:32:18,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 12:32:18,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811116991] [2022-07-19 12:32:18,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:32:18,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:32:18,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:32:18,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:32:18,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:32:18,603 INFO L87 Difference]: Start difference. First operand 3682 states and 4491 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 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) [2022-07-19 12:32:20,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:32:20,096 INFO L93 Difference]: Finished difference Result 7661 states and 9291 transitions. [2022-07-19 12:32:20,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:32:20,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 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 329 [2022-07-19 12:32:20,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:32:20,107 INFO L225 Difference]: With dead ends: 7661 [2022-07-19 12:32:20,107 INFO L226 Difference]: Without dead ends: 3981 [2022-07-19 12:32:20,111 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 [2022-07-19 12:32:20,112 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-19 12:32:20,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-19 12:32:20,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3981 states. [2022-07-19 12:32:20,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3981 to 3981. [2022-07-19 12:32:20,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3981 states, 3980 states have (on average 1.2050251256281408) internal successors, (4796), 3980 states have internal predecessors, (4796), 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) [2022-07-19 12:32:20,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 3981 states and 4796 transitions. [2022-07-19 12:32:20,165 INFO L78 Accepts]: Start accepts. Automaton has 3981 states and 4796 transitions. Word has length 329 [2022-07-19 12:32:20,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:32:20,166 INFO L495 AbstractCegarLoop]: Abstraction has 3981 states and 4796 transitions. [2022-07-19 12:32:20,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 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) [2022-07-19 12:32:20,168 INFO L276 IsEmpty]: Start isEmpty. Operand 3981 states and 4796 transitions. [2022-07-19 12:32:20,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2022-07-19 12:32:20,171 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:32:20,172 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:32:20,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 12:32:20,173 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:32:20,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:32:20,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1396325859, now seen corresponding path program 1 times [2022-07-19 12:32:20,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:32:20,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222654214] [2022-07-19 12:32:20,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:20,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:32:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:20,327 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-19 12:32:20,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:32:20,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222654214] [2022-07-19 12:32:20,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222654214] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:32:20,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:32:20,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:32:20,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956539155] [2022-07-19 12:32:20,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:32:20,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:32:20,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:32:20,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:32:20,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:32:20,329 INFO L87 Difference]: Start difference. First operand 3981 states and 4796 transitions. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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) [2022-07-19 12:32:21,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:32:21,846 INFO L93 Difference]: Finished difference Result 9465 states and 11674 transitions. [2022-07-19 12:32:21,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:32:21,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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 344 [2022-07-19 12:32:21,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:32:21,859 INFO L225 Difference]: With dead ends: 9465 [2022-07-19 12:32:21,859 INFO L226 Difference]: Without dead ends: 5785 [2022-07-19 12:32:21,863 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 [2022-07-19 12:32:21,864 INFO L413 NwaCegarLoop]: 632 mSDtfsCounter, 259 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 12:32:21,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 671 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 12:32:21,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5785 states. [2022-07-19 12:32:21,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5785 to 5783. [2022-07-19 12:32:21,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5783 states, 5782 states have (on average 1.1675890695261155) internal successors, (6751), 5782 states have internal predecessors, (6751), 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) [2022-07-19 12:32:21,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5783 states to 5783 states and 6751 transitions. [2022-07-19 12:32:21,927 INFO L78 Accepts]: Start accepts. Automaton has 5783 states and 6751 transitions. Word has length 344 [2022-07-19 12:32:21,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:32:21,927 INFO L495 AbstractCegarLoop]: Abstraction has 5783 states and 6751 transitions. [2022-07-19 12:32:21,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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) [2022-07-19 12:32:21,928 INFO L276 IsEmpty]: Start isEmpty. Operand 5783 states and 6751 transitions. [2022-07-19 12:32:21,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2022-07-19 12:32:21,931 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:32:21,931 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:32:21,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 12:32:21,932 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:32:21,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:32:21,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1074223962, now seen corresponding path program 1 times [2022-07-19 12:32:21,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:32:21,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379738264] [2022-07-19 12:32:21,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:21,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:32:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:22,087 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-07-19 12:32:22,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:32:22,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379738264] [2022-07-19 12:32:22,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379738264] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:32:22,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:32:22,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:32:22,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683073343] [2022-07-19 12:32:22,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:32:22,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:32:22,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:32:22,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:32:22,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:32:22,090 INFO L87 Difference]: Start difference. First operand 5783 states and 6751 transitions. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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) [2022-07-19 12:32:23,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:32:23,478 INFO L93 Difference]: Finished difference Result 13364 states and 15910 transitions. [2022-07-19 12:32:23,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:32:23,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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 403 [2022-07-19 12:32:23,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:32:23,495 INFO L225 Difference]: With dead ends: 13364 [2022-07-19 12:32:23,496 INFO L226 Difference]: Without dead ends: 7882 [2022-07-19 12:32:23,500 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 [2022-07-19 12:32:23,501 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 270 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 1121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-19 12:32:23,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 635 Invalid, 1121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 895 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-19 12:32:23,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7882 states. [2022-07-19 12:32:23,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7882 to 7284. [2022-07-19 12:32:23,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7284 states, 7283 states have (on average 1.148702457778388) internal successors, (8366), 7283 states have internal predecessors, (8366), 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) [2022-07-19 12:32:23,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7284 states to 7284 states and 8366 transitions. [2022-07-19 12:32:23,629 INFO L78 Accepts]: Start accepts. Automaton has 7284 states and 8366 transitions. Word has length 403 [2022-07-19 12:32:23,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:32:23,630 INFO L495 AbstractCegarLoop]: Abstraction has 7284 states and 8366 transitions. [2022-07-19 12:32:23,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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) [2022-07-19 12:32:23,630 INFO L276 IsEmpty]: Start isEmpty. Operand 7284 states and 8366 transitions. [2022-07-19 12:32:23,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2022-07-19 12:32:23,635 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:32:23,636 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:32:23,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 12:32:23,636 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:32:23,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:32:23,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1496156917, now seen corresponding path program 1 times [2022-07-19 12:32:23,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:32:23,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712554518] [2022-07-19 12:32:23,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:23,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:32:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:23,800 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-19 12:32:23,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:32:23,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712554518] [2022-07-19 12:32:23,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712554518] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:32:23,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:32:23,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:32:23,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632995295] [2022-07-19 12:32:23,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:32:23,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:32:23,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:32:23,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:32:23,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:32:23,802 INFO L87 Difference]: Start difference. First operand 7284 states and 8366 transitions. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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) [2022-07-19 12:32:25,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:32:25,089 INFO L93 Difference]: Finished difference Result 16064 states and 18802 transitions. [2022-07-19 12:32:25,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:32:25,090 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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 418 [2022-07-19 12:32:25,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:32:25,104 INFO L225 Difference]: With dead ends: 16064 [2022-07-19 12:32:25,104 INFO L226 Difference]: Without dead ends: 9081 [2022-07-19 12:32:25,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:32:25,108 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 334 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 835 mSolverCounterSat, 398 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 1233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 398 IncrementalHoareTripleChecker+Valid, 835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-19 12:32:25,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 156 Invalid, 1233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [398 Valid, 835 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-19 12:32:25,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9081 states. [2022-07-19 12:32:25,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9081 to 9081. [2022-07-19 12:32:25,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9081 states, 9080 states have (on average 1.1708149779735684) internal successors, (10631), 9080 states have internal predecessors, (10631), 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) [2022-07-19 12:32:25,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9081 states to 9081 states and 10631 transitions. [2022-07-19 12:32:25,191 INFO L78 Accepts]: Start accepts. Automaton has 9081 states and 10631 transitions. Word has length 418 [2022-07-19 12:32:25,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:32:25,192 INFO L495 AbstractCegarLoop]: Abstraction has 9081 states and 10631 transitions. [2022-07-19 12:32:25,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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) [2022-07-19 12:32:25,192 INFO L276 IsEmpty]: Start isEmpty. Operand 9081 states and 10631 transitions. [2022-07-19 12:32:25,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2022-07-19 12:32:25,196 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:32:25,197 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:32:25,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 12:32:25,197 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:32:25,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:32:25,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1494481576, now seen corresponding path program 1 times [2022-07-19 12:32:25,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:32:25,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456121385] [2022-07-19 12:32:25,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:25,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:32:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:25,357 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2022-07-19 12:32:25,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:32:25,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456121385] [2022-07-19 12:32:25,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456121385] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:32:25,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:32:25,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:32:25,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736767471] [2022-07-19 12:32:25,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:32:25,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:32:25,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:32:25,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:32:25,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:32:25,360 INFO L87 Difference]: Start difference. First operand 9081 states and 10631 transitions. Second operand has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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) [2022-07-19 12:32:26,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:32:26,691 INFO L93 Difference]: Finished difference Result 22955 states and 26976 transitions. [2022-07-19 12:32:26,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:32:26,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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 493 [2022-07-19 12:32:26,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:32:26,705 INFO L225 Difference]: With dead ends: 22955 [2022-07-19 12:32:26,719 INFO L226 Difference]: Without dead ends: 11484 [2022-07-19 12:32:26,729 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 [2022-07-19 12:32:26,743 INFO L413 NwaCegarLoop]: 634 mSDtfsCounter, 285 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 1141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-19 12:32:26,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 680 Invalid, 1141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-19 12:32:26,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11484 states. [2022-07-19 12:32:26,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11484 to 11484. [2022-07-19 12:32:26,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11484 states, 11483 states have (on average 1.1284507532874684) internal successors, (12958), 11483 states have internal predecessors, (12958), 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) [2022-07-19 12:32:26,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11484 states to 11484 states and 12958 transitions. [2022-07-19 12:32:26,939 INFO L78 Accepts]: Start accepts. Automaton has 11484 states and 12958 transitions. Word has length 493 [2022-07-19 12:32:26,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:32:26,940 INFO L495 AbstractCegarLoop]: Abstraction has 11484 states and 12958 transitions. [2022-07-19 12:32:26,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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) [2022-07-19 12:32:26,941 INFO L276 IsEmpty]: Start isEmpty. Operand 11484 states and 12958 transitions. [2022-07-19 12:32:26,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2022-07-19 12:32:26,946 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:32:26,946 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:32:26,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-19 12:32:26,947 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:32:26,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:32:26,953 INFO L85 PathProgramCache]: Analyzing trace with hash 921753906, now seen corresponding path program 1 times [2022-07-19 12:32:26,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:32:26,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930853487] [2022-07-19 12:32:26,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:26,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:32:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:27,244 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 258 proven. 79 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-07-19 12:32:27,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:32:27,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930853487] [2022-07-19 12:32:27,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930853487] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:32:27,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57359719] [2022-07-19 12:32:27,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:27,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:32:27,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:32:27,247 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) [2022-07-19 12:32:27,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 12:32:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:27,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 12:32:27,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:32:27,552 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-07-19 12:32:27,553 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:32:27,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57359719] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:32:27,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:32:27,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-07-19 12:32:27,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719154548] [2022-07-19 12:32:27,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:32:27,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:32:27,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:32:27,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:32:27,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-19 12:32:27,562 INFO L87 Difference]: Start difference. First operand 11484 states and 12958 transitions. Second operand has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 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) [2022-07-19 12:32:28,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:32:28,925 INFO L93 Difference]: Finished difference Result 25656 states and 29285 transitions. [2022-07-19 12:32:28,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:32:28,931 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 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 496 [2022-07-19 12:32:28,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:32:28,951 INFO L225 Difference]: With dead ends: 25656 [2022-07-19 12:32:28,951 INFO L226 Difference]: Without dead ends: 14473 [2022-07-19 12:32:28,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 500 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-19 12:32:28,960 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 365 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-19 12:32:28,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 451 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-19 12:32:28,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14473 states. [2022-07-19 12:32:29,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14473 to 14174. [2022-07-19 12:32:29,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14174 states, 14173 states have (on average 1.1343399421435123) internal successors, (16077), 14173 states have internal predecessors, (16077), 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) [2022-07-19 12:32:29,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14174 states to 14174 states and 16077 transitions. [2022-07-19 12:32:29,111 INFO L78 Accepts]: Start accepts. Automaton has 14174 states and 16077 transitions. Word has length 496 [2022-07-19 12:32:29,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:32:29,112 INFO L495 AbstractCegarLoop]: Abstraction has 14174 states and 16077 transitions. [2022-07-19 12:32:29,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 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) [2022-07-19 12:32:29,112 INFO L276 IsEmpty]: Start isEmpty. Operand 14174 states and 16077 transitions. [2022-07-19 12:32:29,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2022-07-19 12:32:29,117 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:32:29,118 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:32:29,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 12:32:29,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-19 12:32:29,332 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:32:29,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:32:29,332 INFO L85 PathProgramCache]: Analyzing trace with hash -536888608, now seen corresponding path program 1 times [2022-07-19 12:32:29,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:32:29,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937720942] [2022-07-19 12:32:29,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:29,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:32:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:29,577 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 270 proven. 79 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-07-19 12:32:29,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:32:29,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937720942] [2022-07-19 12:32:29,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937720942] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:32:29,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555798536] [2022-07-19 12:32:29,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:29,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:32:29,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:32:29,592 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) [2022-07-19 12:32:29,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 12:32:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:29,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 12:32:29,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:32:29,957 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-07-19 12:32:29,958 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:32:29,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555798536] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:32:29,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:32:29,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-07-19 12:32:29,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293663070] [2022-07-19 12:32:29,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:32:29,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:32:29,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:32:29,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:32:29,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-19 12:32:29,960 INFO L87 Difference]: Start difference. First operand 14174 states and 16077 transitions. Second operand has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 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) [2022-07-19 12:32:31,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:32:31,094 INFO L93 Difference]: Finished difference Result 28051 states and 31856 transitions. [2022-07-19 12:32:31,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:32:31,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 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 503 [2022-07-19 12:32:31,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:32:31,110 INFO L225 Difference]: With dead ends: 28051 [2022-07-19 12:32:31,110 INFO L226 Difference]: Without dead ends: 14178 [2022-07-19 12:32:31,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 502 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-19 12:32:31,123 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 266 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-19 12:32:31,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 248 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-19 12:32:31,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14178 states. [2022-07-19 12:32:31,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14178 to 13575. [2022-07-19 12:32:31,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13575 states, 13574 states have (on average 1.1149992632974806) internal successors, (15135), 13574 states have internal predecessors, (15135), 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) [2022-07-19 12:32:31,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13575 states to 13575 states and 15135 transitions. [2022-07-19 12:32:31,236 INFO L78 Accepts]: Start accepts. Automaton has 13575 states and 15135 transitions. Word has length 503 [2022-07-19 12:32:31,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:32:31,237 INFO L495 AbstractCegarLoop]: Abstraction has 13575 states and 15135 transitions. [2022-07-19 12:32:31,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 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) [2022-07-19 12:32:31,237 INFO L276 IsEmpty]: Start isEmpty. Operand 13575 states and 15135 transitions. [2022-07-19 12:32:31,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2022-07-19 12:32:31,241 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:32:31,241 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:32:31,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-19 12:32:31,456 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,SelfDestructingSolverStorable10 [2022-07-19 12:32:31,457 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:32:31,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:32:31,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1478191957, now seen corresponding path program 1 times [2022-07-19 12:32:31,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:32:31,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923147198] [2022-07-19 12:32:31,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:31,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:32:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:31,656 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 363 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-07-19 12:32:31,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:32:31,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923147198] [2022-07-19 12:32:31,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923147198] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:32:31,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:32:31,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:32:31,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727512123] [2022-07-19 12:32:31,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:32:31,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:32:31,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:32:31,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:32:31,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:32:31,658 INFO L87 Difference]: Start difference. First operand 13575 states and 15135 transitions. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 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) [2022-07-19 12:32:32,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:32:32,931 INFO L93 Difference]: Finished difference Result 29540 states and 33128 transitions. [2022-07-19 12:32:32,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:32:32,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 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 508 [2022-07-19 12:32:32,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:32:32,953 INFO L225 Difference]: With dead ends: 29540 [2022-07-19 12:32:32,953 INFO L226 Difference]: Without dead ends: 16266 [2022-07-19 12:32:32,964 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 [2022-07-19 12:32:32,964 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 148 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 873 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-19 12:32:32,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 283 Invalid, 1045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 873 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-19 12:32:32,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16266 states. [2022-07-19 12:32:33,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16266 to 12373. [2022-07-19 12:32:33,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12373 states, 12372 states have (on average 1.117846750727449) internal successors, (13830), 12372 states have internal predecessors, (13830), 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) [2022-07-19 12:32:33,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12373 states to 12373 states and 13830 transitions. [2022-07-19 12:32:33,156 INFO L78 Accepts]: Start accepts. Automaton has 12373 states and 13830 transitions. Word has length 508 [2022-07-19 12:32:33,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:32:33,156 INFO L495 AbstractCegarLoop]: Abstraction has 12373 states and 13830 transitions. [2022-07-19 12:32:33,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 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) [2022-07-19 12:32:33,157 INFO L276 IsEmpty]: Start isEmpty. Operand 12373 states and 13830 transitions. [2022-07-19 12:32:33,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2022-07-19 12:32:33,161 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:32:33,162 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:32:33,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-19 12:32:33,162 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:32:33,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:32:33,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1172702752, now seen corresponding path program 1 times [2022-07-19 12:32:33,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:32:33,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223196317] [2022-07-19 12:32:33,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:33,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:32:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:33,308 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-07-19 12:32:33,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:32:33,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223196317] [2022-07-19 12:32:33,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223196317] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:32:33,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:32:33,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:32:33,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080865237] [2022-07-19 12:32:33,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:32:33,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:32:33,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:32:33,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:32:33,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:32:33,310 INFO L87 Difference]: Start difference. First operand 12373 states and 13830 transitions. Second operand has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 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) [2022-07-19 12:32:34,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:32:34,770 INFO L93 Difference]: Finished difference Result 30143 states and 33904 transitions. [2022-07-19 12:32:34,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:32:34,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 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 548 [2022-07-19 12:32:34,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:32:34,790 INFO L225 Difference]: With dead ends: 30143 [2022-07-19 12:32:34,791 INFO L226 Difference]: Without dead ends: 18071 [2022-07-19 12:32:34,796 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 [2022-07-19 12:32:34,798 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 242 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-19 12:32:34,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 595 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 993 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-19 12:32:34,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18071 states. [2022-07-19 12:32:34,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18071 to 17161. [2022-07-19 12:32:34,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17161 states, 17160 states have (on average 1.1059440559440559) internal successors, (18978), 17160 states have internal predecessors, (18978), 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) [2022-07-19 12:32:35,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17161 states to 17161 states and 18978 transitions. [2022-07-19 12:32:35,001 INFO L78 Accepts]: Start accepts. Automaton has 17161 states and 18978 transitions. Word has length 548 [2022-07-19 12:32:35,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:32:35,001 INFO L495 AbstractCegarLoop]: Abstraction has 17161 states and 18978 transitions. [2022-07-19 12:32:35,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 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) [2022-07-19 12:32:35,002 INFO L276 IsEmpty]: Start isEmpty. Operand 17161 states and 18978 transitions. [2022-07-19 12:32:35,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2022-07-19 12:32:35,009 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:32:35,010 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:32:35,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-19 12:32:35,010 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:32:35,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:32:35,011 INFO L85 PathProgramCache]: Analyzing trace with hash 579596335, now seen corresponding path program 1 times [2022-07-19 12:32:35,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:32:35,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870201275] [2022-07-19 12:32:35,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:35,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:32:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:35,210 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 383 proven. 271 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-07-19 12:32:35,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:32:35,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870201275] [2022-07-19 12:32:35,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870201275] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:32:35,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309589093] [2022-07-19 12:32:35,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:35,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:32:35,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:32:35,228 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) [2022-07-19 12:32:35,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-19 12:32:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:35,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 12:32:35,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:32:35,533 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-07-19 12:32:35,534 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:32:35,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309589093] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:32:35,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:32:35,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-07-19 12:32:35,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287288050] [2022-07-19 12:32:35,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:32:35,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:32:35,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:32:35,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:32:35,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:32:35,536 INFO L87 Difference]: Start difference. First operand 17161 states and 18978 transitions. Second operand has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 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) [2022-07-19 12:32:36,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:32:36,771 INFO L93 Difference]: Finished difference Result 33725 states and 37344 transitions. [2022-07-19 12:32:36,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:32:36,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 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 603 [2022-07-19 12:32:36,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:32:36,801 INFO L225 Difference]: With dead ends: 33725 [2022-07-19 12:32:36,814 INFO L226 Difference]: Without dead ends: 16865 [2022-07-19 12:32:36,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 603 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:32:36,841 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 305 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-19 12:32:36,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 438 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-19 12:32:36,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16865 states. [2022-07-19 12:32:36,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16865 to 16859. [2022-07-19 12:32:36,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16859 states, 16858 states have (on average 1.0965713607782654) internal successors, (18486), 16858 states have internal predecessors, (18486), 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) [2022-07-19 12:32:37,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16859 states to 16859 states and 18486 transitions. [2022-07-19 12:32:37,008 INFO L78 Accepts]: Start accepts. Automaton has 16859 states and 18486 transitions. Word has length 603 [2022-07-19 12:32:37,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:32:37,009 INFO L495 AbstractCegarLoop]: Abstraction has 16859 states and 18486 transitions. [2022-07-19 12:32:37,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 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) [2022-07-19 12:32:37,009 INFO L276 IsEmpty]: Start isEmpty. Operand 16859 states and 18486 transitions. [2022-07-19 12:32:37,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2022-07-19 12:32:37,018 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:32:37,018 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:32:37,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-19 12:32:37,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:32:37,228 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:32:37,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:32:37,228 INFO L85 PathProgramCache]: Analyzing trace with hash -347178889, now seen corresponding path program 1 times [2022-07-19 12:32:37,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:32:37,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609487991] [2022-07-19 12:32:37,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:37,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:32:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:37,473 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 634 proven. 39 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-07-19 12:32:37,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:32:37,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609487991] [2022-07-19 12:32:37,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609487991] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:32:37,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602299254] [2022-07-19 12:32:37,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:37,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:32:37,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:32:37,492 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) [2022-07-19 12:32:37,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-19 12:32:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:37,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-19 12:32:37,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:32:38,186 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 634 proven. 39 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-07-19 12:32:38,187 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 12:32:38,674 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 634 proven. 39 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-07-19 12:32:38,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602299254] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 12:32:38,674 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 12:32:38,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-07-19 12:32:38,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736074769] [2022-07-19 12:32:38,675 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 12:32:38,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 12:32:38,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:32:38,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 12:32:38,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-07-19 12:32:38,677 INFO L87 Difference]: Start difference. First operand 16859 states and 18486 transitions. Second operand has 9 states, 9 states have (on average 83.88888888888889) internal successors, (755), 8 states have internal predecessors, (755), 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) [2022-07-19 12:32:42,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:32:42,865 INFO L93 Difference]: Finished difference Result 41752 states and 45661 transitions. [2022-07-19 12:32:42,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-19 12:32:42,866 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 83.88888888888889) internal successors, (755), 8 states have internal predecessors, (755), 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 640 [2022-07-19 12:32:42,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:32:42,887 INFO L225 Difference]: With dead ends: 41752 [2022-07-19 12:32:42,887 INFO L226 Difference]: Without dead ends: 18954 [2022-07-19 12:32:42,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1289 GetRequests, 1274 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2022-07-19 12:32:42,902 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 2855 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 5902 mSolverCounterSat, 523 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2855 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 6425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 523 IncrementalHoareTripleChecker+Valid, 5902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-19 12:32:42,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2855 Valid, 260 Invalid, 6425 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [523 Valid, 5902 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-19 12:32:42,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18954 states. [2022-07-19 12:32:43,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18954 to 15063. [2022-07-19 12:32:43,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15063 states, 15062 states have (on average 1.0533793652901342) internal successors, (15866), 15062 states have internal predecessors, (15866), 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) [2022-07-19 12:32:43,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15063 states to 15063 states and 15866 transitions. [2022-07-19 12:32:43,072 INFO L78 Accepts]: Start accepts. Automaton has 15063 states and 15866 transitions. Word has length 640 [2022-07-19 12:32:43,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:32:43,073 INFO L495 AbstractCegarLoop]: Abstraction has 15063 states and 15866 transitions. [2022-07-19 12:32:43,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 83.88888888888889) internal successors, (755), 8 states have internal predecessors, (755), 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) [2022-07-19 12:32:43,073 INFO L276 IsEmpty]: Start isEmpty. Operand 15063 states and 15866 transitions. [2022-07-19 12:32:43,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 659 [2022-07-19 12:32:43,079 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:32:43,080 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:32:43,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-19 12:32:43,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-07-19 12:32:43,293 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:32:43,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:32:43,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1914023780, now seen corresponding path program 1 times [2022-07-19 12:32:43,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:32:43,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567995340] [2022-07-19 12:32:43,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:43,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:32:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:43,492 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2022-07-19 12:32:43,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:32:43,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567995340] [2022-07-19 12:32:43,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567995340] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:32:43,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:32:43,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:32:43,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036413643] [2022-07-19 12:32:43,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:32:43,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:32:43,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:32:43,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:32:43,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:32:43,494 INFO L87 Difference]: Start difference. First operand 15063 states and 15866 transitions. Second operand has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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) [2022-07-19 12:32:44,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:32:44,387 INFO L93 Difference]: Finished difference Result 33411 states and 35265 transitions. [2022-07-19 12:32:44,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:32:44,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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 658 [2022-07-19 12:32:44,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:32:44,405 INFO L225 Difference]: With dead ends: 33411 [2022-07-19 12:32:44,405 INFO L226 Difference]: Without dead ends: 18350 [2022-07-19 12:32:44,415 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 [2022-07-19 12:32:44,417 INFO L413 NwaCegarLoop]: 499 mSDtfsCounter, 255 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 12:32:44,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 538 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 12:32:44,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18350 states. [2022-07-19 12:32:44,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18350 to 15348. [2022-07-19 12:32:44,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15348 states, 15347 states have (on average 1.0513455398449207) internal successors, (16135), 15347 states have internal predecessors, (16135), 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) [2022-07-19 12:32:44,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15348 states to 15348 states and 16135 transitions. [2022-07-19 12:32:44,549 INFO L78 Accepts]: Start accepts. Automaton has 15348 states and 16135 transitions. Word has length 658 [2022-07-19 12:32:44,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:32:44,550 INFO L495 AbstractCegarLoop]: Abstraction has 15348 states and 16135 transitions. [2022-07-19 12:32:44,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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) [2022-07-19 12:32:44,550 INFO L276 IsEmpty]: Start isEmpty. Operand 15348 states and 16135 transitions. [2022-07-19 12:32:44,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2022-07-19 12:32:44,557 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:32:44,557 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:32:44,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-19 12:32:44,557 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:32:44,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:32:44,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1275389892, now seen corresponding path program 1 times [2022-07-19 12:32:44,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:32:44,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829643300] [2022-07-19 12:32:44,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:44,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:32:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:44,734 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2022-07-19 12:32:44,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:32:44,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829643300] [2022-07-19 12:32:44,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829643300] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:32:44,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:32:44,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 12:32:44,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409910784] [2022-07-19 12:32:44,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:32:44,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:32:44,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:32:44,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:32:44,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:32:44,737 INFO L87 Difference]: Start difference. First operand 15348 states and 16135 transitions. Second operand has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:32:45,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:32:45,969 INFO L93 Difference]: Finished difference Result 34580 states and 36450 transitions. [2022-07-19 12:32:45,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:32:45,971 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 682 [2022-07-19 12:32:45,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:32:45,990 INFO L225 Difference]: With dead ends: 34580 [2022-07-19 12:32:45,990 INFO L226 Difference]: Without dead ends: 19234 [2022-07-19 12:32:46,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:32:46,001 INFO L413 NwaCegarLoop]: 393 mSDtfsCounter, 639 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 1778 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 1956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 1778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-19 12:32:46,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 440 Invalid, 1956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 1778 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-19 12:32:46,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19234 states. [2022-07-19 12:32:46,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19234 to 18337. [2022-07-19 12:32:46,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18337 states, 18336 states have (on average 1.0457024432809774) internal successors, (19174), 18336 states have internal predecessors, (19174), 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) [2022-07-19 12:32:46,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18337 states to 18337 states and 19174 transitions. [2022-07-19 12:32:46,152 INFO L78 Accepts]: Start accepts. Automaton has 18337 states and 19174 transitions. Word has length 682 [2022-07-19 12:32:46,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:32:46,153 INFO L495 AbstractCegarLoop]: Abstraction has 18337 states and 19174 transitions. [2022-07-19 12:32:46,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:32:46,153 INFO L276 IsEmpty]: Start isEmpty. Operand 18337 states and 19174 transitions. [2022-07-19 12:32:46,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 714 [2022-07-19 12:32:46,162 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:32:46,162 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:32:46,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-19 12:32:46,162 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:32:46,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:32:46,163 INFO L85 PathProgramCache]: Analyzing trace with hash -402468340, now seen corresponding path program 1 times [2022-07-19 12:32:46,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:32:46,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3845884] [2022-07-19 12:32:46,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:46,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:32:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:46,313 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 547 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2022-07-19 12:32:46,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:32:46,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3845884] [2022-07-19 12:32:46,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3845884] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:32:46,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:32:46,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:32:46,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716500142] [2022-07-19 12:32:46,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:32:46,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:32:46,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:32:46,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:32:46,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:32:46,315 INFO L87 Difference]: Start difference. First operand 18337 states and 19174 transitions. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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) [2022-07-19 12:32:47,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:32:47,217 INFO L93 Difference]: Finished difference Result 36669 states and 38352 transitions. [2022-07-19 12:32:47,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:32:47,218 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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 713 [2022-07-19 12:32:47,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:32:47,234 INFO L225 Difference]: With dead ends: 36669 [2022-07-19 12:32:47,251 INFO L226 Difference]: Without dead ends: 18633 [2022-07-19 12:32:47,260 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 [2022-07-19 12:32:47,261 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 436 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 12:32:47,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 68 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 12:32:47,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18633 states. [2022-07-19 12:32:47,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18633 to 18333. [2022-07-19 12:32:47,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18333 states, 18332 states have (on average 1.0455487671830679) internal successors, (19167), 18332 states have internal predecessors, (19167), 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) [2022-07-19 12:32:47,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18333 states to 18333 states and 19167 transitions. [2022-07-19 12:32:47,401 INFO L78 Accepts]: Start accepts. Automaton has 18333 states and 19167 transitions. Word has length 713 [2022-07-19 12:32:47,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:32:47,402 INFO L495 AbstractCegarLoop]: Abstraction has 18333 states and 19167 transitions. [2022-07-19 12:32:47,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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) [2022-07-19 12:32:47,402 INFO L276 IsEmpty]: Start isEmpty. Operand 18333 states and 19167 transitions. [2022-07-19 12:32:47,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 785 [2022-07-19 12:32:47,413 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:32:47,413 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:32:47,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-19 12:32:47,414 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:32:47,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:32:47,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1638431091, now seen corresponding path program 1 times [2022-07-19 12:32:47,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:32:47,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107445083] [2022-07-19 12:32:47,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:47,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:32:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:47,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1302 backedges. 728 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2022-07-19 12:32:47,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:32:47,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107445083] [2022-07-19 12:32:47,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107445083] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:32:47,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:32:47,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:32:47,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21486535] [2022-07-19 12:32:47,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:32:47,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:32:47,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:32:47,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:32:47,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:32:47,825 INFO L87 Difference]: Start difference. First operand 18333 states and 19167 transitions. Second operand has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 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) [2022-07-19 12:32:48,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:32:48,946 INFO L93 Difference]: Finished difference Result 39053 states and 40884 transitions. [2022-07-19 12:32:48,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:32:48,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 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 784 [2022-07-19 12:32:48,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:32:48,999 INFO L225 Difference]: With dead ends: 39053 [2022-07-19 12:32:48,999 INFO L226 Difference]: Without dead ends: 21021 [2022-07-19 12:32:49,012 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 [2022-07-19 12:32:49,012 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 184 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-19 12:32:49,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 166 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-19 12:32:49,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21021 states. [2022-07-19 12:32:49,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21021 to 19825. [2022-07-19 12:32:49,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19825 states, 19824 states have (on average 1.0431799838579499) internal successors, (20680), 19824 states have internal predecessors, (20680), 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) [2022-07-19 12:32:49,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19825 states to 19825 states and 20680 transitions. [2022-07-19 12:32:49,192 INFO L78 Accepts]: Start accepts. Automaton has 19825 states and 20680 transitions. Word has length 784 [2022-07-19 12:32:49,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:32:49,192 INFO L495 AbstractCegarLoop]: Abstraction has 19825 states and 20680 transitions. [2022-07-19 12:32:49,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 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) [2022-07-19 12:32:49,193 INFO L276 IsEmpty]: Start isEmpty. Operand 19825 states and 20680 transitions. [2022-07-19 12:32:49,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 806 [2022-07-19 12:32:49,204 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:32:49,206 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:32:49,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-19 12:32:49,206 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:32:49,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:32:49,206 INFO L85 PathProgramCache]: Analyzing trace with hash -523331930, now seen corresponding path program 1 times [2022-07-19 12:32:49,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:32:49,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108055120] [2022-07-19 12:32:49,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:49,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:32:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:49,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1325 backedges. 749 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2022-07-19 12:32:49,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:32:49,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108055120] [2022-07-19 12:32:49,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108055120] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:32:49,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:32:49,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:32:49,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307521426] [2022-07-19 12:32:49,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:32:49,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:32:49,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:32:49,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:32:49,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:32:49,578 INFO L87 Difference]: Start difference. First operand 19825 states and 20680 transitions. Second operand has 3 states, 3 states have (on average 169.0) internal successors, (507), 3 states have internal predecessors, (507), 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) [2022-07-19 12:32:50,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:32:50,452 INFO L93 Difference]: Finished difference Result 42037 states and 43888 transitions. [2022-07-19 12:32:50,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:32:50,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 169.0) internal successors, (507), 3 states have internal predecessors, (507), 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 805 [2022-07-19 12:32:50,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:32:50,473 INFO L225 Difference]: With dead ends: 42037 [2022-07-19 12:32:50,474 INFO L226 Difference]: Without dead ends: 22214 [2022-07-19 12:32:50,482 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 [2022-07-19 12:32:50,482 INFO L413 NwaCegarLoop]: 432 mSDtfsCounter, 164 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 12:32:50,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 459 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 12:32:50,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22214 states. [2022-07-19 12:32:50,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22214 to 17126. [2022-07-19 12:32:50,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17126 states, 17125 states have (on average 1.0384817518248175) internal successors, (17784), 17125 states have internal predecessors, (17784), 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) [2022-07-19 12:32:50,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17126 states to 17126 states and 17784 transitions. [2022-07-19 12:32:50,670 INFO L78 Accepts]: Start accepts. Automaton has 17126 states and 17784 transitions. Word has length 805 [2022-07-19 12:32:50,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:32:50,671 INFO L495 AbstractCegarLoop]: Abstraction has 17126 states and 17784 transitions. [2022-07-19 12:32:50,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.0) internal successors, (507), 3 states have internal predecessors, (507), 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) [2022-07-19 12:32:50,671 INFO L276 IsEmpty]: Start isEmpty. Operand 17126 states and 17784 transitions. [2022-07-19 12:32:50,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 843 [2022-07-19 12:32:50,682 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:32:50,683 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:32:50,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-19 12:32:50,683 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:32:50,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:32:50,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1479206236, now seen corresponding path program 1 times [2022-07-19 12:32:50,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:32:50,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139851741] [2022-07-19 12:32:50,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:50,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:32:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:50,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1098 backedges. 580 proven. 0 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2022-07-19 12:32:50,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:32:50,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139851741] [2022-07-19 12:32:50,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139851741] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:32:50,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:32:50,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:32:50,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889463724] [2022-07-19 12:32:50,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:32:50,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:32:50,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:32:50,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:32:50,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:32:50,896 INFO L87 Difference]: Start difference. First operand 17126 states and 17784 transitions. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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) [2022-07-19 12:32:51,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:32:51,720 INFO L93 Difference]: Finished difference Result 36043 states and 37480 transitions. [2022-07-19 12:32:51,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:32:51,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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 842 [2022-07-19 12:32:51,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:32:51,738 INFO L225 Difference]: With dead ends: 36043 [2022-07-19 12:32:51,739 INFO L226 Difference]: Without dead ends: 19218 [2022-07-19 12:32:51,750 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 [2022-07-19 12:32:51,752 INFO L413 NwaCegarLoop]: 463 mSDtfsCounter, 311 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 12:32:51,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 503 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 12:32:51,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19218 states. [2022-07-19 12:32:51,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19218 to 18321. [2022-07-19 12:32:51,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18321 states, 18320 states have (on average 1.0375) internal successors, (19007), 18320 states have internal predecessors, (19007), 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) [2022-07-19 12:32:51,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18321 states to 18321 states and 19007 transitions. [2022-07-19 12:32:51,958 INFO L78 Accepts]: Start accepts. Automaton has 18321 states and 19007 transitions. Word has length 842 [2022-07-19 12:32:51,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:32:51,958 INFO L495 AbstractCegarLoop]: Abstraction has 18321 states and 19007 transitions. [2022-07-19 12:32:51,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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) [2022-07-19 12:32:51,958 INFO L276 IsEmpty]: Start isEmpty. Operand 18321 states and 19007 transitions. [2022-07-19 12:32:51,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 864 [2022-07-19 12:32:51,968 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:32:51,969 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:32:51,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-19 12:32:51,969 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:32:51,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:32:51,970 INFO L85 PathProgramCache]: Analyzing trace with hash -537887034, now seen corresponding path program 1 times [2022-07-19 12:32:51,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:32:51,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884582712] [2022-07-19 12:32:51,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:51,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:32:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:52,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 629 proven. 269 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-07-19 12:32:52,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:32:52,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884582712] [2022-07-19 12:32:52,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884582712] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:32:52,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157480259] [2022-07-19 12:32:52,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:52,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:32:52,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:32:52,560 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:32:52,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-19 12:32:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:52,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 1011 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 12:32:52,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:32:52,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 895 trivial. 0 not checked. [2022-07-19 12:32:52,844 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:32:52,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157480259] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:32:52,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:32:52,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-19 12:32:52,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211302557] [2022-07-19 12:32:52,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:32:52,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:32:52,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:32:52,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:32:52,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:32:52,846 INFO L87 Difference]: Start difference. First operand 18321 states and 19007 transitions. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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) [2022-07-19 12:32:53,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:32:53,817 INFO L93 Difference]: Finished difference Result 41144 states and 42673 transitions. [2022-07-19 12:32:53,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:32:53,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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 863 [2022-07-19 12:32:53,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:32:53,840 INFO L225 Difference]: With dead ends: 41144 [2022-07-19 12:32:53,840 INFO L226 Difference]: Without dead ends: 22825 [2022-07-19 12:32:53,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 866 GetRequests, 862 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:32:53,850 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 276 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 830 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-19 12:32:53,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 497 Invalid, 887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 830 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-19 12:32:53,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22825 states. [2022-07-19 12:32:54,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22825 to 21323. [2022-07-19 12:32:54,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21323 states, 21322 states have (on average 1.0374261326329612) internal successors, (22120), 21322 states have internal predecessors, (22120), 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) [2022-07-19 12:32:54,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21323 states to 21323 states and 22120 transitions. [2022-07-19 12:32:54,035 INFO L78 Accepts]: Start accepts. Automaton has 21323 states and 22120 transitions. Word has length 863 [2022-07-19 12:32:54,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:32:54,036 INFO L495 AbstractCegarLoop]: Abstraction has 21323 states and 22120 transitions. [2022-07-19 12:32:54,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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) [2022-07-19 12:32:54,036 INFO L276 IsEmpty]: Start isEmpty. Operand 21323 states and 22120 transitions. [2022-07-19 12:32:54,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901 [2022-07-19 12:32:54,047 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:32:54,048 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:32:54,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-19 12:32:54,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-07-19 12:32:54,265 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:32:54,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:32:54,266 INFO L85 PathProgramCache]: Analyzing trace with hash 943867835, now seen corresponding path program 1 times [2022-07-19 12:32:54,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:32:54,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953309045] [2022-07-19 12:32:54,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:54,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:32:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:54,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 703 proven. 269 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-07-19 12:32:54,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:32:54,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953309045] [2022-07-19 12:32:54,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953309045] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:32:54,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906821327] [2022-07-19 12:32:54,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:32:54,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:32:54,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:32:54,551 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:32:54,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-19 12:32:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:32:54,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 12:32:54,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:33:16,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2022-07-19 12:33:16,094 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:33:16,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906821327] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:33:16,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:33:16,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-19 12:33:16,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557878276] [2022-07-19 12:33:16,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:33:16,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:33:16,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:33:16,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:33:16,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:33:16,112 INFO L87 Difference]: Start difference. First operand 21323 states and 22120 transitions. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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) [2022-07-19 12:33:16,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:33:16,165 INFO L93 Difference]: Finished difference Result 21380 states and 22177 transitions. [2022-07-19 12:33:16,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:33:16,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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 900 [2022-07-19 12:33:16,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:33:16,183 INFO L225 Difference]: With dead ends: 21380 [2022-07-19 12:33:16,183 INFO L226 Difference]: Without dead ends: 21378 [2022-07-19 12:33:16,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 903 GetRequests, 845 SyntacticMatches, 54 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:33:16,188 INFO L413 NwaCegarLoop]: 486 mSDtfsCounter, 0 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 497 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 12:33:16,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 523 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 497 Unchecked, 0.0s Time] [2022-07-19 12:33:16,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21378 states. [2022-07-19 12:33:16,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21378 to 21378. [2022-07-19 12:33:16,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21378 states, 21377 states have (on average 1.0373298404827618) internal successors, (22175), 21377 states have internal predecessors, (22175), 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) [2022-07-19 12:33:16,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21378 states to 21378 states and 22175 transitions. [2022-07-19 12:33:16,356 INFO L78 Accepts]: Start accepts. Automaton has 21378 states and 22175 transitions. Word has length 900 [2022-07-19 12:33:16,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:33:16,357 INFO L495 AbstractCegarLoop]: Abstraction has 21378 states and 22175 transitions. [2022-07-19 12:33:16,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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) [2022-07-19 12:33:16,357 INFO L276 IsEmpty]: Start isEmpty. Operand 21378 states and 22175 transitions. [2022-07-19 12:33:16,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1200 [2022-07-19 12:33:16,377 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:33:16,377 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:33:16,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-19 12:33:16,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:33:16,594 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:33:16,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:33:16,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1713798884, now seen corresponding path program 1 times [2022-07-19 12:33:16,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:33:16,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530603046] [2022-07-19 12:33:16,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:33:16,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:33:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:33:17,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2083 backedges. 1245 proven. 353 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2022-07-19 12:33:17,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:33:17,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530603046] [2022-07-19 12:33:17,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530603046] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:33:17,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017114427] [2022-07-19 12:33:17,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:33:17,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:33:17,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:33:17,066 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:33:17,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-19 12:33:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:33:17,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 1366 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-19 12:33:17,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:33:19,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2083 backedges. 1245 proven. 353 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2022-07-19 12:33:19,338 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 12:33:22,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2083 backedges. 1245 proven. 353 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2022-07-19 12:33:22,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017114427] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 12:33:22,178 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 12:33:22,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2022-07-19 12:33:22,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144793703] [2022-07-19 12:33:22,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 12:33:22,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:33:22,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:33:22,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:33:22,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:33:22,194 INFO L87 Difference]: Start difference. First operand 21378 states and 22175 transitions. Second operand has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-07-19 12:33:23,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:33:23,604 INFO L93 Difference]: Finished difference Result 42857 states and 44443 transitions. [2022-07-19 12:33:23,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 12:33:23,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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 1199 [2022-07-19 12:33:23,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:33:23,606 INFO L225 Difference]: With dead ends: 42857 [2022-07-19 12:33:23,606 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 12:33:23,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2402 GetRequests, 2397 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 12:33:23,620 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 171 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 1533 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 1770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 1533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-19 12:33:23,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 107 Invalid, 1770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 1533 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-19 12:33:23,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 12:33:23,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 12:33:23,621 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) [2022-07-19 12:33:23,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 12:33:23,621 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1199 [2022-07-19 12:33:23,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:33:23,621 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 12:33:23,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-07-19 12:33:23,622 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 12:33:23,622 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 12:33:23,624 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 12:33:23,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-19 12:33:23,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:33:23,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 12:33:29,530 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,531 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,531 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,531 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2022-07-19 12:33:29,531 INFO L899 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,531 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,531 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2022-07-19 12:33:29,531 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2022-07-19 12:33:29,531 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,531 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,532 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,532 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-07-19 12:33:29,532 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,532 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,532 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,532 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,532 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,532 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-07-19 12:33:29,532 INFO L899 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,532 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,533 INFO L899 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2022-07-19 12:33:29,533 INFO L899 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2022-07-19 12:33:29,533 INFO L899 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,533 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,533 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2022-07-19 12:33:29,533 INFO L899 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,533 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-07-19 12:33:29,533 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,533 INFO L899 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2022-07-19 12:33:29,533 INFO L899 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2022-07-19 12:33:29,533 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,534 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,534 INFO L899 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2022-07-19 12:33:29,534 INFO L899 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2022-07-19 12:33:29,534 INFO L899 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,534 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,534 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,534 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,534 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,534 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-07-19 12:33:29,534 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,534 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,535 INFO L899 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,535 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,535 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,535 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,535 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-07-19 12:33:29,535 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,535 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,535 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,535 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2022-07-19 12:33:29,535 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,536 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,536 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-07-19 12:33:29,536 INFO L899 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,536 INFO L899 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,536 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,536 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,536 INFO L899 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,536 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,537 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-07-19 12:33:29,537 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,537 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,537 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,537 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,537 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2022-07-19 12:33:29,537 INFO L899 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2022-07-19 12:33:29,538 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,538 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,538 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,538 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,538 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-07-19 12:33:29,538 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2022-07-19 12:33:29,538 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,538 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,538 INFO L899 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,538 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,538 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,539 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2022-07-19 12:33:29,539 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,539 INFO L899 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2022-07-19 12:33:29,539 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2022-07-19 12:33:29,539 INFO L899 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2022-07-19 12:33:29,539 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-07-19 12:33:29,539 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,539 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,539 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,539 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,540 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,540 INFO L899 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2022-07-19 12:33:29,540 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,540 INFO L899 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,540 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-07-19 12:33:29,540 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 12:33:29,540 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2022-07-19 12:33:29,540 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,540 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2022-07-19 12:33:29,540 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,540 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,541 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,541 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-07-19 12:33:29,541 INFO L899 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,541 INFO L899 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2022-07-19 12:33:29,541 INFO L899 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2022-07-19 12:33:29,541 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2022-07-19 12:33:29,541 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2022-07-19 12:33:29,541 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2022-07-19 12:33:29,541 INFO L899 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2022-07-19 12:33:29,541 INFO L899 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,542 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,542 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,542 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,542 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2022-07-19 12:33:29,542 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2022-07-19 12:33:29,542 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,542 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-07-19 12:33:29,542 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,542 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,542 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,542 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,543 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,543 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,543 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-07-19 12:33:29,543 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,543 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,543 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,543 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,544 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,544 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2022-07-19 12:33:29,544 INFO L899 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2022-07-19 12:33:29,544 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,544 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-07-19 12:33:29,544 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2022-07-19 12:33:29,544 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2022-07-19 12:33:29,544 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,544 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2022-07-19 12:33:29,545 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2022-07-19 12:33:29,545 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,545 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,545 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,545 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,545 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-07-19 12:33:29,545 INFO L899 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2022-07-19 12:33:29,545 INFO L899 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,545 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,545 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,545 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2022-07-19 12:33:29,546 INFO L899 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2022-07-19 12:33:29,546 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,546 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-07-19 12:33:29,546 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,546 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,546 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,546 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,546 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,546 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,546 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-07-19 12:33:29,546 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,547 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,547 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2022-07-19 12:33:29,547 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,547 INFO L899 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,547 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,547 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,547 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-07-19 12:33:29,547 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,547 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,547 INFO L899 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,547 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,548 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,548 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-07-19 12:33:29,548 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,548 INFO L899 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,548 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,548 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,548 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2022-07-19 12:33:29,548 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,548 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,548 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 12:33:29,549 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,549 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2022-07-19 12:33:29,549 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2022-07-19 12:33:29,549 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,549 INFO L899 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,549 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-07-19 12:33:29,549 INFO L899 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,549 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,549 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,549 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,549 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,550 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-07-19 12:33:29,550 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,550 INFO L899 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,550 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,550 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,550 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,550 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2022-07-19 12:33:29,550 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,550 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,550 INFO L899 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2022-07-19 12:33:29,550 INFO L899 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,551 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-07-19 12:33:29,551 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-07-19 12:33:29,551 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,551 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,551 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,551 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,551 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,551 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2022-07-19 12:33:29,551 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2022-07-19 12:33:29,551 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,551 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-07-19 12:33:29,552 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-07-19 12:33:29,552 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,552 INFO L899 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,552 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,552 INFO L899 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,552 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,552 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2022-07-19 12:33:29,552 INFO L899 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2022-07-19 12:33:29,552 INFO L899 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2022-07-19 12:33:29,552 INFO L899 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2022-07-19 12:33:29,552 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,553 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,553 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,553 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-07-19 12:33:29,553 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-07-19 12:33:29,553 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,553 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2022-07-19 12:33:29,553 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,553 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,553 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,553 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,553 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2022-07-19 12:33:29,554 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2022-07-19 12:33:29,554 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-07-19 12:33:29,554 INFO L899 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,554 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-07-19 12:33:29,554 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,554 INFO L899 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,554 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,555 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,555 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,555 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,555 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,555 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,555 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-07-19 12:33:29,556 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-07-19 12:33:29,556 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2022-07-19 12:33:29,556 INFO L899 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2022-07-19 12:33:29,556 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,556 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,557 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,557 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,557 INFO L895 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse17 (+ ~a0~0 61))) (let ((.cse5 (< 0 (+ ~a29~0 144))) (.cse2 (<= ~a29~0 401234)) (.cse10 (< 0 .cse17)) (.cse1 (= ~a2~0 1)) (.cse6 (= 3 ~a2~0)) (.cse4 (< 0 (+ ~a4~0 86))) (.cse11 (= 5 ~a2~0)) (.cse12 (<= 44 ~a29~0)) (.cse14 (<= (+ 98 ~a0~0) 0)) (.cse9 (<= ~a2~0 2)) (.cse13 (<= (+ ~a0~0 105) 0)) (.cse8 (<= 2 ~a2~0)) (.cse0 (<= (+ 89 ~a4~0) 0)) (.cse15 (<= 8 ~a29~0)) (.cse7 (<= .cse17 0)) (.cse3 (<= (+ 42 ~a4~0) 0)) (.cse16 (= ~a2~0 4))) (or (and .cse0 .cse1 .cse2) (and .cse3 (or .cse4 .cse5) .cse6 .cse7) (and .cse0 .cse1 .cse7) (and .cse8 .cse0 .cse9) (and .cse10 .cse3 .cse8 (<= (+ ~a29~0 127) 0) .cse9) (and .cse0 (<= (+ ~a0~0 32950) 0)) (and .cse11 .cse3 .cse12) (and .cse13 .cse12 .cse8 .cse7 .cse9) (and .cse3 (or (and .cse4 .cse1 .cse2) (and .cse1 .cse2 .cse7))) (and .cse3 .cse14 .cse6 .cse7) (and .cse10 .cse3 .cse12 .cse8 .cse9) (and .cse11 .cse0 .cse5) (and .cse10 .cse11 .cse3) (and .cse8 .cse0 .cse14 .cse7) (and .cse4 .cse3 .cse8 .cse7 .cse9) (and .cse3 .cse1 .cse15 .cse2) (and .cse10 .cse3 .cse6) (and .cse3 .cse14 .cse1) (and .cse13 .cse11 .cse3) (and .cse0 .cse6) (and .cse4 .cse11 .cse3) (and .cse3 .cse12 .cse8 .cse14 .cse7 .cse9) (and .cse13 .cse3 .cse16) (and .cse8 .cse0 .cse15 .cse7) (and (<= 0 (+ 97 ~a0~0)) .cse3 .cse16)))) [2022-07-19 12:33:29,558 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-07-19 12:33:29,558 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-07-19 12:33:29,558 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,558 INFO L899 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,558 INFO L899 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,558 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,559 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,559 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,559 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,559 INFO L899 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2022-07-19 12:33:29,559 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,559 INFO L899 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2022-07-19 12:33:29,559 INFO L902 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2022-07-19 12:33:29,559 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,559 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2022-07-19 12:33:29,559 INFO L899 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2022-07-19 12:33:29,559 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-07-19 12:33:29,560 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-07-19 12:33:29,560 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,560 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,560 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,560 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,560 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,560 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-07-19 12:33:29,560 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-07-19 12:33:29,560 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,560 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2022-07-19 12:33:29,560 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2022-07-19 12:33:29,561 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,561 INFO L899 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,561 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 12:33:29,561 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,561 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,561 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,561 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,561 INFO L895 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse16 (+ ~a4~0 86)) (.cse19 (+ ~a0~0 61)) (.cse17 (+ ~a29~0 144))) (let ((.cse5 (< 0 .cse17)) (.cse2 (<= ~a29~0 401234)) (.cse10 (< 0 .cse19)) (.cse1 (= ~a2~0 1)) (.cse6 (= 3 ~a2~0)) (.cse4 (< 0 .cse16)) (.cse11 (= 5 ~a2~0)) (.cse12 (<= 44 ~a29~0)) (.cse14 (<= (+ 98 ~a0~0) 0)) (.cse9 (<= ~a2~0 2)) (.cse13 (<= (+ ~a0~0 105) 0)) (.cse8 (<= 2 ~a2~0)) (.cse0 (<= (+ 89 ~a4~0) 0)) (.cse15 (<= 8 ~a29~0)) (.cse7 (<= .cse19 0)) (.cse3 (<= (+ 42 ~a4~0) 0)) (.cse18 (= ~a2~0 4))) (or (and .cse0 .cse1 .cse2) (and .cse3 (or .cse4 .cse5) .cse6 .cse7) (and .cse0 .cse1 .cse7) (and .cse8 .cse0 .cse9) (and .cse10 .cse3 .cse8 (<= (+ ~a29~0 127) 0) .cse9) (and .cse0 (<= (+ ~a0~0 32950) 0)) (and .cse11 .cse3 .cse12) (and .cse13 .cse12 .cse8 .cse7 .cse9) (and .cse3 (or (and .cse4 .cse1 .cse2) (and .cse1 .cse2 .cse7))) (and .cse3 .cse14 .cse6 .cse7) (and .cse10 .cse3 .cse12 .cse8 .cse9) (and .cse11 .cse0 .cse5) (and .cse10 .cse11 .cse3) (and .cse8 .cse0 .cse14 .cse7) (and .cse4 .cse3 .cse8 .cse7 .cse9) (and .cse3 .cse1 .cse15 .cse2) (and .cse10 .cse3 .cse6) (and .cse3 .cse14 .cse1) (and .cse13 .cse11 .cse3) (and .cse1 (<= .cse16 0) (<= .cse17 0)) (and .cse0 .cse6) (and .cse4 .cse11 .cse3) (and .cse3 .cse12 .cse8 .cse14 .cse7 .cse9) (and .cse13 .cse3 .cse18) (and .cse8 .cse0 .cse15 .cse7) (and (<= 0 (+ 97 ~a0~0)) .cse3 .cse18)))) [2022-07-19 12:33:29,561 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,561 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-07-19 12:33:29,562 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-07-19 12:33:29,562 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,562 INFO L899 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,562 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,562 INFO L899 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,562 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,562 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,562 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-07-19 12:33:29,562 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-07-19 12:33:29,562 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,562 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,563 INFO L899 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2022-07-19 12:33:29,563 INFO L899 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,563 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,563 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,563 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,563 INFO L899 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,563 INFO L899 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,563 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-07-19 12:33:29,563 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-07-19 12:33:29,563 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,563 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,563 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,564 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,564 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,564 INFO L899 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,564 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-07-19 12:33:29,564 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,564 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-07-19 12:33:29,564 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,564 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,564 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,564 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,564 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,565 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,565 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,565 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-07-19 12:33:29,565 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-07-19 12:33:29,565 INFO L899 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,565 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,565 INFO L899 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,565 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,565 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,565 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,565 INFO L899 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,566 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-07-19 12:33:29,566 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-07-19 12:33:29,566 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,566 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,566 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,566 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,566 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,566 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,566 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,566 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2022-07-19 12:33:29,566 INFO L899 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2022-07-19 12:33:29,567 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,567 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-07-19 12:33:29,567 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-07-19 12:33:29,567 INFO L899 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,567 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,567 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,567 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,567 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,567 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,567 INFO L895 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse16 (+ ~a4~0 86)) (.cse19 (+ ~a0~0 61)) (.cse17 (+ ~a29~0 144))) (let ((.cse5 (< 0 .cse17)) (.cse2 (<= ~a29~0 401234)) (.cse10 (< 0 .cse19)) (.cse1 (= ~a2~0 1)) (.cse6 (= 3 ~a2~0)) (.cse4 (< 0 .cse16)) (.cse11 (= 5 ~a2~0)) (.cse12 (<= 44 ~a29~0)) (.cse14 (<= (+ 98 ~a0~0) 0)) (.cse9 (<= ~a2~0 2)) (.cse13 (<= (+ ~a0~0 105) 0)) (.cse8 (<= 2 ~a2~0)) (.cse0 (<= (+ 89 ~a4~0) 0)) (.cse15 (<= 8 ~a29~0)) (.cse7 (<= .cse19 0)) (.cse3 (<= (+ 42 ~a4~0) 0)) (.cse18 (= ~a2~0 4))) (or (and .cse0 .cse1 .cse2) (and .cse3 (or .cse4 .cse5) .cse6 .cse7) (and .cse0 .cse1 .cse7) (and .cse8 .cse0 .cse9) (and .cse10 .cse3 .cse8 (<= (+ ~a29~0 127) 0) .cse9) (and .cse0 (<= (+ ~a0~0 32950) 0)) (and .cse11 .cse3 .cse12) (and .cse13 .cse12 .cse8 .cse7 .cse9) (and .cse3 (or (and .cse4 .cse1 .cse2) (and .cse1 .cse2 .cse7))) (and .cse3 .cse14 .cse6 .cse7) (and .cse10 .cse3 .cse12 .cse8 .cse9) (and .cse11 .cse0 .cse5) (and .cse10 .cse11 .cse3) (and .cse8 .cse0 .cse14 .cse7) (and .cse4 .cse3 .cse8 .cse7 .cse9) (and .cse3 .cse1 .cse15 .cse2) (and .cse10 .cse3 .cse6) (and .cse3 .cse14 .cse1) (and .cse13 .cse11 .cse3) (and .cse1 (<= .cse16 0) (<= .cse17 0)) (and .cse0 .cse6) (and .cse4 .cse11 .cse3) (and .cse3 .cse12 .cse8 .cse14 .cse7 .cse9) (and .cse13 .cse3 .cse18) (and .cse8 .cse0 .cse15 .cse7) (and (<= 0 (+ 97 ~a0~0)) .cse3 .cse18)))) [2022-07-19 12:33:29,568 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-07-19 12:33:29,568 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-07-19 12:33:29,568 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,568 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,568 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,568 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,568 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,568 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,569 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,569 INFO L899 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,569 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-07-19 12:33:29,569 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-07-19 12:33:29,569 INFO L899 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,569 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2022-07-19 12:33:29,569 INFO L899 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2022-07-19 12:33:29,569 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,570 INFO L899 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,570 INFO L899 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,570 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,570 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,570 INFO L899 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2022-07-19 12:33:29,570 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 12:33:29,570 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-07-19 12:33:29,570 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,570 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,570 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,570 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,571 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2022-07-19 12:33:29,571 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2022-07-19 12:33:29,571 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2022-07-19 12:33:29,571 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,571 INFO L899 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2022-07-19 12:33:29,571 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-07-19 12:33:29,571 INFO L899 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,571 INFO L899 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,571 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,571 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,571 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,572 INFO L899 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,572 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,572 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-07-19 12:33:29,572 INFO L899 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2022-07-19 12:33:29,572 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,572 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,572 INFO L899 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,572 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-07-19 12:33:29,572 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,572 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,572 INFO L899 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2022-07-19 12:33:29,573 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,573 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,573 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,573 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,573 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,573 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,573 INFO L899 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,573 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2022-07-19 12:33:29,573 INFO L899 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2022-07-19 12:33:29,573 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,573 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-07-19 12:33:29,574 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,574 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:33:29,574 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,574 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-07-19 12:33:29,574 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2022-07-19 12:33:29,576 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:33:29,578 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 12:33:29,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 12:33:29 BoogieIcfgContainer [2022-07-19 12:33:29,606 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 12:33:29,607 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 12:33:29,607 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 12:33:29,607 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 12:33:29,608 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 12:32:10" (3/4) ... [2022-07-19 12:33:29,609 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 12:33:29,631 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-07-19 12:33:29,632 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-19 12:33:29,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 12:33:29,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 12:33:29,731 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 12:33:29,732 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 12:33:29,732 INFO L158 Benchmark]: Toolchain (without parser) took 82028.13ms. Allocated memory was 102.8MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 67.0MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 213.4MB. Max. memory is 16.1GB. [2022-07-19 12:33:29,732 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory was 57.3MB in the beginning and 57.2MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 12:33:29,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 724.85ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 66.8MB in the beginning and 92.1MB in the end (delta: -25.3MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2022-07-19 12:33:29,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.16ms. Allocated memory is still 127.9MB. Free memory was 92.1MB in the beginning and 54.4MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-07-19 12:33:29,733 INFO L158 Benchmark]: Boogie Preprocessor took 143.81ms. Allocated memory is still 127.9MB. Free memory was 54.4MB in the beginning and 60.4MB in the end (delta: -6.1MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2022-07-19 12:33:29,734 INFO L158 Benchmark]: RCFGBuilder took 1883.85ms. Allocated memory was 127.9MB in the beginning and 287.3MB in the end (delta: 159.4MB). Free memory was 60.4MB in the beginning and 198.7MB in the end (delta: -138.3MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2022-07-19 12:33:29,735 INFO L158 Benchmark]: TraceAbstraction took 79012.20ms. Allocated memory was 287.3MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 198.7MB in the beginning and 1.2GB in the end (delta: -992.2MB). Peak memory consumption was 952.1MB. Max. memory is 16.1GB. [2022-07-19 12:33:29,735 INFO L158 Benchmark]: Witness Printer took 124.87ms. Allocated memory is still 1.4GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-07-19 12:33:29,743 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory was 57.3MB in the beginning and 57.2MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 724.85ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 66.8MB in the beginning and 92.1MB in the end (delta: -25.3MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.16ms. Allocated memory is still 127.9MB. Free memory was 92.1MB in the beginning and 54.4MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 143.81ms. Allocated memory is still 127.9MB. Free memory was 54.4MB in the beginning and 60.4MB in the end (delta: -6.1MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1883.85ms. Allocated memory was 127.9MB in the beginning and 287.3MB in the end (delta: 159.4MB). Free memory was 60.4MB in the beginning and 198.7MB in the end (delta: -138.3MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. * TraceAbstraction took 79012.20ms. Allocated memory was 287.3MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 198.7MB in the beginning and 1.2GB in the end (delta: -992.2MB). Peak memory consumption was 952.1MB. Max. memory is 16.1GB. * Witness Printer took 124.87ms. Allocated memory is still 1.4GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. 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: 188]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 78.9s, OverallIterations: 24, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 33.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8907 SdHoareTripleChecker+Valid, 30.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8907 mSDsluCounter, 9478 SdHoareTripleChecker+Invalid, 25.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 497 IncrementalHoareTripleChecker+Unchecked, 968 mSDsCounter, 4384 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26321 IncrementalHoareTripleChecker+Invalid, 31202 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4384 mSolverCounterUnsat, 8510 mSDtfsCounter, 26321 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7123 GetRequests, 7009 SyntacticMatches, 57 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21378occurred in iteration=23, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 24 MinimizatonAttempts, 23700 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 337 NumberOfFragments, 1283 HoareAnnotationTreeSize, 4 FomulaSimplifications, 11992 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 4 FomulaSimplificationsInter, 24069 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 31.0s InterpolantComputationTime, 18487 NumberOfCodeBlocks, 18487 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 20293 ConstructedInterpolants, 55 QuantifiedInterpolants, 106552 SizeOfPredicates, 10 NumberOfNonLiveVariables, 6225 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 33 InterpolantComputations, 22 PerfectInterpolantSequences, 23109/25252 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 1 specifications checked. All of them hold - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((89 + a4 <= 0 && a2 == 1) && a29 <= 401234) || (((42 + a4 <= 0 && (0 < a4 + 86 || 0 < a29 + 144)) && 3 == a2) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || ((2 <= a2 && 89 + a4 <= 0) && a2 <= 2)) || ((((0 < a0 + 61 && 42 + a4 <= 0) && 2 <= a2) && a29 + 127 <= 0) && a2 <= 2)) || (89 + a4 <= 0 && a0 + 32950 <= 0)) || ((5 == a2 && 42 + a4 <= 0) && 44 <= a29)) || ((((a0 + 105 <= 0 && 44 <= a29) && 2 <= a2) && a0 + 61 <= 0) && a2 <= 2)) || (42 + a4 <= 0 && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0)))) || (((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2) && a0 + 61 <= 0)) || ((((0 < a0 + 61 && 42 + a4 <= 0) && 44 <= a29) && 2 <= a2) && a2 <= 2)) || ((5 == a2 && 89 + a4 <= 0) && 0 < a29 + 144)) || ((0 < a0 + 61 && 5 == a2) && 42 + a4 <= 0)) || (((2 <= a2 && 89 + a4 <= 0) && 98 + a0 <= 0) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 <= a2) && a0 + 61 <= 0) && a2 <= 2)) || (((42 + a4 <= 0 && a2 == 1) && 8 <= a29) && a29 <= 401234)) || ((0 < a0 + 61 && 42 + a4 <= 0) && 3 == a2)) || ((42 + a4 <= 0 && 98 + a0 <= 0) && a2 == 1)) || ((a0 + 105 <= 0 && 5 == a2) && 42 + a4 <= 0)) || (89 + a4 <= 0 && 3 == a2)) || ((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0)) || (((((42 + a4 <= 0 && 44 <= a29) && 2 <= a2) && 98 + a0 <= 0) && a0 + 61 <= 0) && a2 <= 2)) || ((a0 + 105 <= 0 && 42 + a4 <= 0) && a2 == 4)) || (((2 <= a2 && 89 + a4 <= 0) && 8 <= a29) && a0 + 61 <= 0)) || ((0 <= 97 + a0 && 42 + a4 <= 0) && a2 == 4) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((89 + a4 <= 0 && a2 == 1) && a29 <= 401234) || (((42 + a4 <= 0 && (0 < a4 + 86 || 0 < a29 + 144)) && 3 == a2) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || ((2 <= a2 && 89 + a4 <= 0) && a2 <= 2)) || ((((0 < a0 + 61 && 42 + a4 <= 0) && 2 <= a2) && a29 + 127 <= 0) && a2 <= 2)) || (89 + a4 <= 0 && a0 + 32950 <= 0)) || ((5 == a2 && 42 + a4 <= 0) && 44 <= a29)) || ((((a0 + 105 <= 0 && 44 <= a29) && 2 <= a2) && a0 + 61 <= 0) && a2 <= 2)) || (42 + a4 <= 0 && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0)))) || (((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2) && a0 + 61 <= 0)) || ((((0 < a0 + 61 && 42 + a4 <= 0) && 44 <= a29) && 2 <= a2) && a2 <= 2)) || ((5 == a2 && 89 + a4 <= 0) && 0 < a29 + 144)) || ((0 < a0 + 61 && 5 == a2) && 42 + a4 <= 0)) || (((2 <= a2 && 89 + a4 <= 0) && 98 + a0 <= 0) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 <= a2) && a0 + 61 <= 0) && a2 <= 2)) || (((42 + a4 <= 0 && a2 == 1) && 8 <= a29) && a29 <= 401234)) || ((0 < a0 + 61 && 42 + a4 <= 0) && 3 == a2)) || ((42 + a4 <= 0 && 98 + a0 <= 0) && a2 == 1)) || ((a0 + 105 <= 0 && 5 == a2) && 42 + a4 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (89 + a4 <= 0 && 3 == a2)) || ((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0)) || (((((42 + a4 <= 0 && 44 <= a29) && 2 <= a2) && 98 + a0 <= 0) && a0 + 61 <= 0) && a2 <= 2)) || ((a0 + 105 <= 0 && 42 + a4 <= 0) && a2 == 4)) || (((2 <= a2 && 89 + a4 <= 0) && 8 <= a29) && a0 + 61 <= 0)) || ((0 <= 97 + a0 && 42 + a4 <= 0) && a2 == 4) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((89 + a4 <= 0 && a2 == 1) && a29 <= 401234) || (((42 + a4 <= 0 && (0 < a4 + 86 || 0 < a29 + 144)) && 3 == a2) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || ((2 <= a2 && 89 + a4 <= 0) && a2 <= 2)) || ((((0 < a0 + 61 && 42 + a4 <= 0) && 2 <= a2) && a29 + 127 <= 0) && a2 <= 2)) || (89 + a4 <= 0 && a0 + 32950 <= 0)) || ((5 == a2 && 42 + a4 <= 0) && 44 <= a29)) || ((((a0 + 105 <= 0 && 44 <= a29) && 2 <= a2) && a0 + 61 <= 0) && a2 <= 2)) || (42 + a4 <= 0 && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0)))) || (((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2) && a0 + 61 <= 0)) || ((((0 < a0 + 61 && 42 + a4 <= 0) && 44 <= a29) && 2 <= a2) && a2 <= 2)) || ((5 == a2 && 89 + a4 <= 0) && 0 < a29 + 144)) || ((0 < a0 + 61 && 5 == a2) && 42 + a4 <= 0)) || (((2 <= a2 && 89 + a4 <= 0) && 98 + a0 <= 0) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 <= a2) && a0 + 61 <= 0) && a2 <= 2)) || (((42 + a4 <= 0 && a2 == 1) && 8 <= a29) && a29 <= 401234)) || ((0 < a0 + 61 && 42 + a4 <= 0) && 3 == a2)) || ((42 + a4 <= 0 && 98 + a0 <= 0) && a2 == 1)) || ((a0 + 105 <= 0 && 5 == a2) && 42 + a4 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (89 + a4 <= 0 && 3 == a2)) || ((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0)) || (((((42 + a4 <= 0 && 44 <= a29) && 2 <= a2) && 98 + a0 <= 0) && a0 + 61 <= 0) && a2 <= 2)) || ((a0 + 105 <= 0 && 42 + a4 <= 0) && a2 == 4)) || (((2 <= a2 && 89 + a4 <= 0) && 8 <= a29) && a0 + 61 <= 0)) || ((0 <= 97 + a0 && 42 + a4 <= 0) && a2 == 4) RESULT: Ultimate proved your program to be correct! [2022-07-19 12:33:29,784 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