./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label56.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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_label56.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 a498fb7710a33a2d85f447c670841227251b50491988d49c611ac72650abaae2 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 00:06:51,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 00:06:51,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 00:06:51,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 00:06:51,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 00:06:51,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 00:06:51,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 00:06:51,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 00:06:51,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 00:06:51,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 00:06:51,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 00:06:51,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 00:06:51,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 00:06:51,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 00:06:51,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 00:06:51,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 00:06:51,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 00:06:51,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 00:06:51,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 00:06:51,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 00:06:51,500 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 00:06:51,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 00:06:51,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 00:06:51,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 00:06:51,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 00:06:51,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 00:06:51,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 00:06:51,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 00:06:51,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 00:06:51,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 00:06:51,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 00:06:51,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 00:06:51,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 00:06:51,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 00:06:51,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 00:06:51,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 00:06:51,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 00:06:51,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 00:06:51,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 00:06:51,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 00:06:51,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 00:06:51,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 00:06:51,533 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 00:06:51,568 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 00:06:51,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 00:06:51,569 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 00:06:51,569 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 00:06:51,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 00:06:51,570 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 00:06:51,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 00:06:51,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 00:06:51,571 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 00:06:51,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 00:06:51,572 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 00:06:51,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 00:06:51,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 00:06:51,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 00:06:51,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 00:06:51,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 00:06:51,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 00:06:51,574 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 00:06:51,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 00:06:51,574 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 00:06:51,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 00:06:51,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 00:06:51,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 00:06:51,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 00:06:51,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 00:06:51,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 00:06:51,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 00:06:51,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 00:06:51,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 00:06:51,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 00:06:51,577 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 00:06:51,577 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 00:06:51,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 00:06:51,577 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a498fb7710a33a2d85f447c670841227251b50491988d49c611ac72650abaae2 [2022-07-21 00:06:51,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 00:06:51,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 00:06:51,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 00:06:51,922 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 00:06:51,923 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 00:06:51,925 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label56.c [2022-07-21 00:06:51,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dc65e584/5b53741f3fa0490986e8353cd7254902/FLAGcdf476fee [2022-07-21 00:06:52,633 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 00:06:52,634 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label56.c [2022-07-21 00:06:52,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dc65e584/5b53741f3fa0490986e8353cd7254902/FLAGcdf476fee [2022-07-21 00:06:52,976 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dc65e584/5b53741f3fa0490986e8353cd7254902 [2022-07-21 00:06:52,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 00:06:52,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 00:06:52,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 00:06:52,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 00:06:52,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 00:06:52,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:06:52" (1/1) ... [2022-07-21 00:06:52,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@89befc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:06:52, skipping insertion in model container [2022-07-21 00:06:52,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:06:52" (1/1) ... [2022-07-21 00:06:52,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 00:06:53,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 00:06:53,264 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_label56.c[4182,4195] [2022-07-21 00:06:53,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 00:06:53,689 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 00:06:53,722 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_label56.c[4182,4195] [2022-07-21 00:06:53,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 00:06:53,921 INFO L208 MainTranslator]: Completed translation [2022-07-21 00:06:53,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:06:53 WrapperNode [2022-07-21 00:06:53,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 00:06:53,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 00:06:53,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 00:06:53,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 00:06:53,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:06:53" (1/1) ... [2022-07-21 00:06:53,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:06:53" (1/1) ... [2022-07-21 00:06:54,220 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2022-07-21 00:06:54,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 00:06:54,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 00:06:54,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 00:06:54,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 00:06:54,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:06:53" (1/1) ... [2022-07-21 00:06:54,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:06:53" (1/1) ... [2022-07-21 00:06:54,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:06:53" (1/1) ... [2022-07-21 00:06:54,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:06:53" (1/1) ... [2022-07-21 00:06:54,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:06:53" (1/1) ... [2022-07-21 00:06:54,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:06:53" (1/1) ... [2022-07-21 00:06:54,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:06:53" (1/1) ... [2022-07-21 00:06:54,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 00:06:54,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 00:06:54,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 00:06:54,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 00:06:54,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:06:53" (1/1) ... [2022-07-21 00:06:54,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 00:06:54,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:06:54,543 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) [2022-07-21 00:06:54,554 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 [2022-07-21 00:06:54,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 00:06:54,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 00:06:54,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 00:06:54,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 00:06:54,640 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 00:06:54,641 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 00:06:57,150 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 00:06:57,165 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 00:06:57,165 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 00:06:57,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:06:57 BoogieIcfgContainer [2022-07-21 00:06:57,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 00:06:57,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 00:06:57,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 00:06:57,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 00:06:57,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:06:52" (1/3) ... [2022-07-21 00:06:57,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db85b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:06:57, skipping insertion in model container [2022-07-21 00:06:57,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:06:53" (2/3) ... [2022-07-21 00:06:57,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db85b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:06:57, skipping insertion in model container [2022-07-21 00:06:57,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:06:57" (3/3) ... [2022-07-21 00:06:57,176 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label56.c [2022-07-21 00:06:57,189 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 00:06:57,190 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 00:06:57,264 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 00:06:57,274 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@38c6d943, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@11ef44ca [2022-07-21 00:06:57,274 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 00:06:57,282 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) [2022-07-21 00:06:57,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-21 00:06:57,289 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:06:57,290 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] [2022-07-21 00:06:57,290 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:06:57,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:06:57,297 INFO L85 PathProgramCache]: Analyzing trace with hash 2113343065, now seen corresponding path program 1 times [2022-07-21 00:06:57,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:06:57,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841058759] [2022-07-21 00:06:57,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:06:57,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:06:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:06:57,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:06:57,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:06:57,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841058759] [2022-07-21 00:06:57,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841058759] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:06:57,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:06:57,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 00:06:57,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606802624] [2022-07-21 00:06:57,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:06:57,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:06:57,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:06:57,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:06:57,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:06:57,620 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 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:06:59,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:06:59,785 INFO L93 Difference]: Finished difference Result 1154 states and 2106 transitions. [2022-07-21 00:06:59,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:06:59,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-07-21 00:06:59,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:06:59,802 INFO L225 Difference]: With dead ends: 1154 [2022-07-21 00:06:59,802 INFO L226 Difference]: Without dead ends: 665 [2022-07-21 00:06:59,806 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 [2022-07-21 00:06:59,809 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 288 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-21 00:06:59,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 383 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-21 00:06:59,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2022-07-21 00:06:59,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2022-07-21 00:06:59,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.4818731117824773) internal successors, (981), 662 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:06:59,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2022-07-21 00:06:59,875 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 33 [2022-07-21 00:06:59,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:06:59,876 INFO L495 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2022-07-21 00:06:59,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:06:59,876 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2022-07-21 00:06:59,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-21 00:06:59,879 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:06:59,879 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:06:59,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 00:06:59,880 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:06:59,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:06:59,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1976974785, now seen corresponding path program 1 times [2022-07-21 00:06:59,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:06:59,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901603710] [2022-07-21 00:06:59,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:06:59,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:06:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:00,047 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:07:00,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:07:00,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901603710] [2022-07-21 00:07:00,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901603710] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:07:00,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:07:00,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 00:07:00,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762180988] [2022-07-21 00:07:00,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:07:00,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:07:00,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:07:00,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:07:00,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:07:00,054 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:01,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:07:01,540 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2022-07-21 00:07:01,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:07:01,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2022-07-21 00:07:01,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:07:01,545 INFO L225 Difference]: With dead ends: 1624 [2022-07-21 00:07:01,545 INFO L226 Difference]: Without dead ends: 963 [2022-07-21 00:07:01,547 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 [2022-07-21 00:07:01,548 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 237 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 00:07:01,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 337 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 00:07:01,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2022-07-21 00:07:01,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2022-07-21 00:07:01,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 962 states have (on average 1.362785862785863) internal successors, (1311), 962 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:01,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2022-07-21 00:07:01,623 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 98 [2022-07-21 00:07:01,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:07:01,625 INFO L495 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2022-07-21 00:07:01,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:01,625 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2022-07-21 00:07:01,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-21 00:07:01,632 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:07:01,633 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:07:01,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 00:07:01,634 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:07:01,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:07:01,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1824647890, now seen corresponding path program 1 times [2022-07-21 00:07:01,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:07:01,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485696490] [2022-07-21 00:07:01,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:01,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:07:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:01,739 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:07:01,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:07:01,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485696490] [2022-07-21 00:07:01,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485696490] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:07:01,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:07:01,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 00:07:01,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592795485] [2022-07-21 00:07:01,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:07:01,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 00:07:01,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:07:01,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 00:07:01,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 00:07:01,742 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:03,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:07:03,911 INFO L93 Difference]: Finished difference Result 2244 states and 3201 transitions. [2022-07-21 00:07:03,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 00:07:03,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2022-07-21 00:07:03,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:07:03,918 INFO L225 Difference]: With dead ends: 2244 [2022-07-21 00:07:03,918 INFO L226 Difference]: Without dead ends: 1582 [2022-07-21 00:07:03,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 00:07:03,927 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 362 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 1663 mSolverCounterSat, 483 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 2146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 483 IncrementalHoareTripleChecker+Valid, 1663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-21 00:07:03,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 365 Invalid, 2146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [483 Valid, 1663 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-21 00:07:03,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2022-07-21 00:07:03,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1266. [2022-07-21 00:07:03,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1265 states have (on average 1.3043478260869565) internal successors, (1650), 1265 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:03,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1650 transitions. [2022-07-21 00:07:03,964 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1650 transitions. Word has length 103 [2022-07-21 00:07:03,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:07:03,965 INFO L495 AbstractCegarLoop]: Abstraction has 1266 states and 1650 transitions. [2022-07-21 00:07:03,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:03,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1650 transitions. [2022-07-21 00:07:03,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-07-21 00:07:03,975 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:07:03,975 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-21 00:07:03,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 00:07:03,976 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:07:03,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:07:03,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1763852906, now seen corresponding path program 1 times [2022-07-21 00:07:03,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:07:03,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404256591] [2022-07-21 00:07:03,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:03,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:07:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:04,152 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:07:04,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:07:04,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404256591] [2022-07-21 00:07:04,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404256591] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:07:04,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:07:04,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:07:04,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205859971] [2022-07-21 00:07:04,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:07:04,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 00:07:04,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:07:04,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 00:07:04,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-21 00:07:04,156 INFO L87 Difference]: Start difference. First operand 1266 states and 1650 transitions. Second operand has 4 states, 4 states have (on average 49.75) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:07,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:07:07,232 INFO L93 Difference]: Finished difference Result 4670 states and 6170 transitions. [2022-07-21 00:07:07,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 00:07:07,236 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.75) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 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 199 [2022-07-21 00:07:07,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:07:07,248 INFO L225 Difference]: With dead ends: 4670 [2022-07-21 00:07:07,248 INFO L226 Difference]: Without dead ends: 3406 [2022-07-21 00:07:07,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-21 00:07:07,252 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 490 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 1955 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 2239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 1955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-21 00:07:07,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 348 Invalid, 2239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 1955 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-21 00:07:07,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3406 states. [2022-07-21 00:07:07,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3406 to 3381. [2022-07-21 00:07:07,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 3380 states have (on average 1.2366863905325445) internal successors, (4180), 3380 states have internal predecessors, (4180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:07,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4180 transitions. [2022-07-21 00:07:07,311 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4180 transitions. Word has length 199 [2022-07-21 00:07:07,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:07:07,313 INFO L495 AbstractCegarLoop]: Abstraction has 3381 states and 4180 transitions. [2022-07-21 00:07:07,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.75) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:07,313 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4180 transitions. [2022-07-21 00:07:07,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-07-21 00:07:07,316 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:07:07,317 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-21 00:07:07,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 00:07:07,317 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:07:07,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:07:07,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1964504972, now seen corresponding path program 1 times [2022-07-21 00:07:07,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:07:07,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201646901] [2022-07-21 00:07:07,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:07,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:07:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:07,498 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-07-21 00:07:07,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:07:07,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201646901] [2022-07-21 00:07:07,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201646901] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:07:07,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:07:07,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 00:07:07,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679941384] [2022-07-21 00:07:07,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:07:07,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:07:07,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:07:07,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:07:07,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:07:07,503 INFO L87 Difference]: Start difference. First operand 3381 states and 4180 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:08,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:07:08,795 INFO L93 Difference]: Finished difference Result 8563 states and 10754 transitions. [2022-07-21 00:07:08,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:07:08,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 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 203 [2022-07-21 00:07:08,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:07:08,812 INFO L225 Difference]: With dead ends: 8563 [2022-07-21 00:07:08,813 INFO L226 Difference]: Without dead ends: 5483 [2022-07-21 00:07:08,818 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 [2022-07-21 00:07:08,819 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 00:07:08,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 339 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 00:07:08,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2022-07-21 00:07:08,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5478. [2022-07-21 00:07:08,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.16870549570933) internal successors, (6401), 5477 states have internal predecessors, (6401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:08,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6401 transitions. [2022-07-21 00:07:08,915 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6401 transitions. Word has length 203 [2022-07-21 00:07:08,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:07:08,917 INFO L495 AbstractCegarLoop]: Abstraction has 5478 states and 6401 transitions. [2022-07-21 00:07:08,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:08,919 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6401 transitions. [2022-07-21 00:07:08,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-07-21 00:07:08,923 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:07:08,924 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-21 00:07:08,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 00:07:08,925 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:07:08,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:07:08,925 INFO L85 PathProgramCache]: Analyzing trace with hash 360964428, now seen corresponding path program 1 times [2022-07-21 00:07:08,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:07:08,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476096827] [2022-07-21 00:07:08,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:08,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:07:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:09,140 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-07-21 00:07:09,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:07:09,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476096827] [2022-07-21 00:07:09,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476096827] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:07:09,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:07:09,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 00:07:09,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113144731] [2022-07-21 00:07:09,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:07:09,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:07:09,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:07:09,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:07:09,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:07:09,144 INFO L87 Difference]: Start difference. First operand 5478 states and 6401 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) [2022-07-21 00:07:10,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:07:10,541 INFO L93 Difference]: Finished difference Result 10655 states and 12489 transitions. [2022-07-21 00:07:10,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:07:10,542 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 305 [2022-07-21 00:07:10,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:07:10,567 INFO L225 Difference]: With dead ends: 10655 [2022-07-21 00:07:10,567 INFO L226 Difference]: Without dead ends: 5478 [2022-07-21 00:07:10,574 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 [2022-07-21 00:07:10,577 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 00:07:10,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 00:07:10,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2022-07-21 00:07:10,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5478. [2022-07-21 00:07:10,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1676100054774512) internal successors, (6395), 5477 states have internal predecessors, (6395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:10,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6395 transitions. [2022-07-21 00:07:10,702 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6395 transitions. Word has length 305 [2022-07-21 00:07:10,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:07:10,703 INFO L495 AbstractCegarLoop]: Abstraction has 5478 states and 6395 transitions. [2022-07-21 00:07:10,703 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) [2022-07-21 00:07:10,703 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6395 transitions. [2022-07-21 00:07:10,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-07-21 00:07:10,707 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:07:10,708 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-21 00:07:10,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 00:07:10,708 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:07:10,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:07:10,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1031709635, now seen corresponding path program 1 times [2022-07-21 00:07:10,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:07:10,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370921548] [2022-07-21 00:07:10,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:10,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:07:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:10,858 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-21 00:07:10,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:07:10,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370921548] [2022-07-21 00:07:10,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370921548] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:07:10,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:07:10,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:07:10,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439092854] [2022-07-21 00:07:10,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:07:10,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:07:10,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:07:10,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:07:10,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:07:10,861 INFO L87 Difference]: Start difference. First operand 5478 states and 6395 transitions. Second operand has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:12,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:07:12,583 INFO L93 Difference]: Finished difference Result 11851 states and 14151 transitions. [2022-07-21 00:07:12,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:07:12,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 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 320 [2022-07-21 00:07:12,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:07:12,603 INFO L225 Difference]: With dead ends: 11851 [2022-07-21 00:07:12,603 INFO L226 Difference]: Without dead ends: 6674 [2022-07-21 00:07:12,609 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 [2022-07-21 00:07:12,609 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 282 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-21 00:07:12,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 322 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-21 00:07:12,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2022-07-21 00:07:12,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 4876. [2022-07-21 00:07:12,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4876 states, 4875 states have (on average 1.1805128205128206) internal successors, (5755), 4875 states have internal predecessors, (5755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:12,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4876 states to 4876 states and 5755 transitions. [2022-07-21 00:07:12,690 INFO L78 Accepts]: Start accepts. Automaton has 4876 states and 5755 transitions. Word has length 320 [2022-07-21 00:07:12,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:07:12,691 INFO L495 AbstractCegarLoop]: Abstraction has 4876 states and 5755 transitions. [2022-07-21 00:07:12,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:12,692 INFO L276 IsEmpty]: Start isEmpty. Operand 4876 states and 5755 transitions. [2022-07-21 00:07:12,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2022-07-21 00:07:12,697 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:07:12,697 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:07:12,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 00:07:12,698 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:07:12,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:07:12,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1931775866, now seen corresponding path program 1 times [2022-07-21 00:07:12,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:07:12,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840779920] [2022-07-21 00:07:12,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:12,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:07:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:12,871 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-07-21 00:07:12,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:07:12,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840779920] [2022-07-21 00:07:12,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840779920] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:07:12,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:07:12,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:07:12,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748212736] [2022-07-21 00:07:12,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:07:12,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:07:12,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:07:12,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:07:12,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:07:12,874 INFO L87 Difference]: Start difference. First operand 4876 states and 5755 transitions. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:14,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:07:14,483 INFO L93 Difference]: Finished difference Result 11852 states and 14244 transitions. [2022-07-21 00:07:14,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:07:14,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 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 379 [2022-07-21 00:07:14,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:07:14,515 INFO L225 Difference]: With dead ends: 11852 [2022-07-21 00:07:14,515 INFO L226 Difference]: Without dead ends: 7277 [2022-07-21 00:07:14,521 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 [2022-07-21 00:07:14,522 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 295 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 00:07:14,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 637 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 00:07:14,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7277 states. [2022-07-21 00:07:14,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7277 to 6380. [2022-07-21 00:07:14,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6380 states, 6379 states have (on average 1.1558237968333596) internal successors, (7373), 6379 states have internal predecessors, (7373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:14,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6380 states to 6380 states and 7373 transitions. [2022-07-21 00:07:14,640 INFO L78 Accepts]: Start accepts. Automaton has 6380 states and 7373 transitions. Word has length 379 [2022-07-21 00:07:14,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:07:14,640 INFO L495 AbstractCegarLoop]: Abstraction has 6380 states and 7373 transitions. [2022-07-21 00:07:14,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:14,641 INFO L276 IsEmpty]: Start isEmpty. Operand 6380 states and 7373 transitions. [2022-07-21 00:07:14,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-07-21 00:07:14,647 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:07:14,648 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:07:14,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 00:07:14,649 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:07:14,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:07:14,650 INFO L85 PathProgramCache]: Analyzing trace with hash 851490982, now seen corresponding path program 1 times [2022-07-21 00:07:14,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:07:14,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256297636] [2022-07-21 00:07:14,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:14,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:07:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:14,830 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:07:14,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:07:14,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256297636] [2022-07-21 00:07:14,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256297636] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:07:14,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:07:14,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:07:14,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348608348] [2022-07-21 00:07:14,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:07:14,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:07:14,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:07:14,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:07:14,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:07:14,834 INFO L87 Difference]: Start difference. First operand 6380 states and 7373 transitions. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:16,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:07:16,309 INFO L93 Difference]: Finished difference Result 12455 states and 14435 transitions. [2022-07-21 00:07:16,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:07:16,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 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 385 [2022-07-21 00:07:16,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:07:16,323 INFO L225 Difference]: With dead ends: 12455 [2022-07-21 00:07:16,323 INFO L226 Difference]: Without dead ends: 6376 [2022-07-21 00:07:16,330 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 [2022-07-21 00:07:16,332 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 314 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 00:07:16,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 144 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 00:07:16,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6376 states. [2022-07-21 00:07:16,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6376 to 6374. [2022-07-21 00:07:16,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6374 states, 6373 states have (on average 1.140122391338459) internal successors, (7266), 6373 states have internal predecessors, (7266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:16,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6374 states to 6374 states and 7266 transitions. [2022-07-21 00:07:16,415 INFO L78 Accepts]: Start accepts. Automaton has 6374 states and 7266 transitions. Word has length 385 [2022-07-21 00:07:16,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:07:16,416 INFO L495 AbstractCegarLoop]: Abstraction has 6374 states and 7266 transitions. [2022-07-21 00:07:16,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:16,416 INFO L276 IsEmpty]: Start isEmpty. Operand 6374 states and 7266 transitions. [2022-07-21 00:07:16,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2022-07-21 00:07:16,422 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:07:16,422 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:07:16,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 00:07:16,423 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:07:16,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:07:16,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1848000755, now seen corresponding path program 1 times [2022-07-21 00:07:16,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:07:16,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987617226] [2022-07-21 00:07:16,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:16,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:07:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:16,630 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:07:16,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:07:16,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987617226] [2022-07-21 00:07:16,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987617226] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:07:16,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:07:16,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:07:16,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19474205] [2022-07-21 00:07:16,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:07:16,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:07:16,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:07:16,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:07:16,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:07:16,633 INFO L87 Difference]: Start difference. First operand 6374 states and 7266 transitions. Second operand has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:18,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:07:18,036 INFO L93 Difference]: Finished difference Result 14552 states and 16855 transitions. [2022-07-21 00:07:18,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:07:18,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 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 396 [2022-07-21 00:07:18,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:07:18,052 INFO L225 Difference]: With dead ends: 14552 [2022-07-21 00:07:18,053 INFO L226 Difference]: Without dead ends: 8479 [2022-07-21 00:07:18,060 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 [2022-07-21 00:07:18,061 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 247 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 00:07:18,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 599 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 00:07:18,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8479 states. [2022-07-21 00:07:18,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8479 to 7579. [2022-07-21 00:07:18,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7579 states, 7578 states have (on average 1.1310372129849564) internal successors, (8571), 7578 states have internal predecessors, (8571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:18,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7579 states to 7579 states and 8571 transitions. [2022-07-21 00:07:18,164 INFO L78 Accepts]: Start accepts. Automaton has 7579 states and 8571 transitions. Word has length 396 [2022-07-21 00:07:18,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:07:18,165 INFO L495 AbstractCegarLoop]: Abstraction has 7579 states and 8571 transitions. [2022-07-21 00:07:18,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:18,165 INFO L276 IsEmpty]: Start isEmpty. Operand 7579 states and 8571 transitions. [2022-07-21 00:07:18,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2022-07-21 00:07:18,172 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:07:18,173 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-21 00:07:18,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 00:07:18,173 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:07:18,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:07:18,174 INFO L85 PathProgramCache]: Analyzing trace with hash 797582240, now seen corresponding path program 1 times [2022-07-21 00:07:18,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:07:18,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50517398] [2022-07-21 00:07:18,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:18,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:07:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:18,416 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-21 00:07:18,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:07:18,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50517398] [2022-07-21 00:07:18,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50517398] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:07:18,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:07:18,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:07:18,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024235344] [2022-07-21 00:07:18,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:07:18,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:07:18,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:07:18,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:07:18,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:07:18,419 INFO L87 Difference]: Start difference. First operand 7579 states and 8571 transitions. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:19,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:07:19,726 INFO L93 Difference]: Finished difference Result 16651 states and 19131 transitions. [2022-07-21 00:07:19,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:07:19,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 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 410 [2022-07-21 00:07:19,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:07:19,744 INFO L225 Difference]: With dead ends: 16651 [2022-07-21 00:07:19,744 INFO L226 Difference]: Without dead ends: 9373 [2022-07-21 00:07:19,752 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 [2022-07-21 00:07:19,753 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 357 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 832 mSolverCounterSat, 364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 1196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 364 IncrementalHoareTripleChecker+Valid, 832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 00:07:19,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 152 Invalid, 1196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [364 Valid, 832 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 00:07:19,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9373 states. [2022-07-21 00:07:19,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9373 to 9074. [2022-07-21 00:07:19,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9074 states, 9073 states have (on average 1.148462471068004) internal successors, (10420), 9073 states have internal predecessors, (10420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:19,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9074 states to 9074 states and 10420 transitions. [2022-07-21 00:07:19,866 INFO L78 Accepts]: Start accepts. Automaton has 9074 states and 10420 transitions. Word has length 410 [2022-07-21 00:07:19,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:07:19,867 INFO L495 AbstractCegarLoop]: Abstraction has 9074 states and 10420 transitions. [2022-07-21 00:07:19,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:19,867 INFO L276 IsEmpty]: Start isEmpty. Operand 9074 states and 10420 transitions. [2022-07-21 00:07:19,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2022-07-21 00:07:19,872 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:07:19,874 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:07:19,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-21 00:07:19,874 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:07:19,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:07:19,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1340879272, now seen corresponding path program 1 times [2022-07-21 00:07:19,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:07:19,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867095963] [2022-07-21 00:07:19,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:19,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:07:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:20,071 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-21 00:07:20,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:07:20,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867095963] [2022-07-21 00:07:20,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867095963] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:07:20,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:07:20,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:07:20,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651811853] [2022-07-21 00:07:20,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:07:20,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:07:20,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:07:20,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:07:20,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:07:20,074 INFO L87 Difference]: Start difference. First operand 9074 states and 10420 transitions. Second operand has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:21,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:07:21,469 INFO L93 Difference]: Finished difference Result 17849 states and 20538 transitions. [2022-07-21 00:07:21,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:07:21,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 0 states have call successors, (0), 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 485 [2022-07-21 00:07:21,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:07:21,485 INFO L225 Difference]: With dead ends: 17849 [2022-07-21 00:07:21,486 INFO L226 Difference]: Without dead ends: 9076 [2022-07-21 00:07:21,494 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 [2022-07-21 00:07:21,495 INFO L413 NwaCegarLoop]: 579 mSDtfsCounter, 251 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 00:07:21,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 618 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 00:07:21,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9076 states. [2022-07-21 00:07:21,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9076 to 9073. [2022-07-21 00:07:21,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9073 states, 9072 states have (on average 1.123236331569665) internal successors, (10190), 9072 states have internal predecessors, (10190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:21,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9073 states to 9073 states and 10190 transitions. [2022-07-21 00:07:21,637 INFO L78 Accepts]: Start accepts. Automaton has 9073 states and 10190 transitions. Word has length 485 [2022-07-21 00:07:21,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:07:21,638 INFO L495 AbstractCegarLoop]: Abstraction has 9073 states and 10190 transitions. [2022-07-21 00:07:21,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:21,639 INFO L276 IsEmpty]: Start isEmpty. Operand 9073 states and 10190 transitions. [2022-07-21 00:07:21,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2022-07-21 00:07:21,644 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:07:21,645 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 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] [2022-07-21 00:07:21,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 00:07:21,645 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:07:21,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:07:21,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1150058578, now seen corresponding path program 1 times [2022-07-21 00:07:21,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:07:21,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693381286] [2022-07-21 00:07:21,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:21,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:07:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:21,865 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 471 proven. 39 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-07-21 00:07:21,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:07:21,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693381286] [2022-07-21 00:07:21,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693381286] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:07:21,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3458823] [2022-07-21 00:07:21,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:21,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:07:21,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:07:21,871 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) [2022-07-21 00:07:21,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 00:07:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:22,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 00:07:22,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:07:22,210 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2022-07-21 00:07:22,210 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 00:07:22,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3458823] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:07:22,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 00:07:22,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-21 00:07:22,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906326665] [2022-07-21 00:07:22,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:07:22,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:07:22,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:07:22,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:07:22,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:07:22,213 INFO L87 Difference]: Start difference. First operand 9073 states and 10190 transitions. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:23,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:07:23,680 INFO L93 Difference]: Finished difference Result 19937 states and 22664 transitions. [2022-07-21 00:07:23,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:07:23,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 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 517 [2022-07-21 00:07:23,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:07:23,709 INFO L225 Difference]: With dead ends: 19937 [2022-07-21 00:07:23,710 INFO L226 Difference]: Without dead ends: 11165 [2022-07-21 00:07:23,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 520 GetRequests, 516 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:07:23,720 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 384 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 00:07:23,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 447 Invalid, 1094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 00:07:23,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11165 states. [2022-07-21 00:07:23,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11165 to 11165. [2022-07-21 00:07:23,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11165 states, 11164 states have (on average 1.12835901110713) internal successors, (12597), 11164 states have internal predecessors, (12597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:23,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11165 states to 11165 states and 12597 transitions. [2022-07-21 00:07:23,851 INFO L78 Accepts]: Start accepts. Automaton has 11165 states and 12597 transitions. Word has length 517 [2022-07-21 00:07:23,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:07:23,851 INFO L495 AbstractCegarLoop]: Abstraction has 11165 states and 12597 transitions. [2022-07-21 00:07:23,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:23,852 INFO L276 IsEmpty]: Start isEmpty. Operand 11165 states and 12597 transitions. [2022-07-21 00:07:23,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2022-07-21 00:07:23,857 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:07:23,858 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 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] [2022-07-21 00:07:23,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 00:07:24,071 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,SelfDestructingSolverStorable12 [2022-07-21 00:07:24,072 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:07:24,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:07:24,072 INFO L85 PathProgramCache]: Analyzing trace with hash 162599516, now seen corresponding path program 1 times [2022-07-21 00:07:24,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:07:24,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516681294] [2022-07-21 00:07:24,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:24,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:07:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:24,296 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-07-21 00:07:24,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:07:24,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516681294] [2022-07-21 00:07:24,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516681294] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:07:24,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:07:24,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:07:24,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846223946] [2022-07-21 00:07:24,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:07:24,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:07:24,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:07:24,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:07:24,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:07:24,300 INFO L87 Difference]: Start difference. First operand 11165 states and 12597 transitions. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:25,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:07:25,865 INFO L93 Difference]: Finished difference Result 26528 states and 30186 transitions. [2022-07-21 00:07:25,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:07:25,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 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 521 [2022-07-21 00:07:25,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:07:25,890 INFO L225 Difference]: With dead ends: 26528 [2022-07-21 00:07:25,890 INFO L226 Difference]: Without dead ends: 15664 [2022-07-21 00:07:25,902 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 [2022-07-21 00:07:25,902 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 246 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 00:07:25,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 598 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 00:07:25,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15664 states. [2022-07-21 00:07:26,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15664 to 15055. [2022-07-21 00:07:26,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15055 states, 15054 states have (on average 1.1199016872592003) internal successors, (16859), 15054 states have internal predecessors, (16859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:26,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15055 states to 15055 states and 16859 transitions. [2022-07-21 00:07:26,160 INFO L78 Accepts]: Start accepts. Automaton has 15055 states and 16859 transitions. Word has length 521 [2022-07-21 00:07:26,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:07:26,161 INFO L495 AbstractCegarLoop]: Abstraction has 15055 states and 16859 transitions. [2022-07-21 00:07:26,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:26,161 INFO L276 IsEmpty]: Start isEmpty. Operand 15055 states and 16859 transitions. [2022-07-21 00:07:26,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 597 [2022-07-21 00:07:26,173 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:07:26,173 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:07:26,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-21 00:07:26,174 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:07:26,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:07:26,175 INFO L85 PathProgramCache]: Analyzing trace with hash -2016614800, now seen corresponding path program 1 times [2022-07-21 00:07:26,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:07:26,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065320995] [2022-07-21 00:07:26,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:26,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:07:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:26,388 INFO L134 CoverageAnalysis]: Checked inductivity of 989 backedges. 628 proven. 39 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-21 00:07:26,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:07:26,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065320995] [2022-07-21 00:07:26,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065320995] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:07:26,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808152834] [2022-07-21 00:07:26,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:26,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:07:26,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:07:26,392 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) [2022-07-21 00:07:26,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 00:07:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:26,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 00:07:26,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:07:26,734 INFO L134 CoverageAnalysis]: Checked inductivity of 989 backedges. 465 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2022-07-21 00:07:26,735 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 00:07:26,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808152834] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:07:26,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 00:07:26,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-21 00:07:26,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748429818] [2022-07-21 00:07:26,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:07:26,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:07:26,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:07:26,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:07:26,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:07:26,737 INFO L87 Difference]: Start difference. First operand 15055 states and 16859 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:28,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:07:28,047 INFO L93 Difference]: Finished difference Result 29806 states and 33406 transitions. [2022-07-21 00:07:28,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:07:28,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 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 596 [2022-07-21 00:07:28,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:07:28,068 INFO L225 Difference]: With dead ends: 29806 [2022-07-21 00:07:28,068 INFO L226 Difference]: Without dead ends: 15052 [2022-07-21 00:07:28,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 599 GetRequests, 595 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:07:28,080 INFO L413 NwaCegarLoop]: 567 mSDtfsCounter, 252 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 1049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 00:07:28,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 604 Invalid, 1049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 878 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 00:07:28,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15052 states. [2022-07-21 00:07:28,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15052 to 15052. [2022-07-21 00:07:28,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15052 states, 15051 states have (on average 1.0795295993621685) internal successors, (16248), 15051 states have internal predecessors, (16248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:28,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15052 states to 15052 states and 16248 transitions. [2022-07-21 00:07:28,326 INFO L78 Accepts]: Start accepts. Automaton has 15052 states and 16248 transitions. Word has length 596 [2022-07-21 00:07:28,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:07:28,327 INFO L495 AbstractCegarLoop]: Abstraction has 15052 states and 16248 transitions. [2022-07-21 00:07:28,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:28,327 INFO L276 IsEmpty]: Start isEmpty. Operand 15052 states and 16248 transitions. [2022-07-21 00:07:28,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-07-21 00:07:28,335 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:07:28,336 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-21 00:07:28,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 00:07:28,562 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,SelfDestructingSolverStorable14 [2022-07-21 00:07:28,562 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:07:28,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:07:28,563 INFO L85 PathProgramCache]: Analyzing trace with hash 765627537, now seen corresponding path program 1 times [2022-07-21 00:07:28,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:07:28,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923759505] [2022-07-21 00:07:28,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:28,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:07:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:28,796 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 555 proven. 39 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-07-21 00:07:28,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:07:28,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923759505] [2022-07-21 00:07:28,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923759505] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:07:28,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769893351] [2022-07-21 00:07:28,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:28,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:07:28,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:07:28,798 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) [2022-07-21 00:07:28,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 00:07:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:29,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 00:07:29,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:07:29,697 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 555 proven. 39 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-07-21 00:07:29,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 00:07:30,310 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 555 proven. 39 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-07-21 00:07:30,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769893351] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 00:07:30,311 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 00:07:30,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-07-21 00:07:30,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781725948] [2022-07-21 00:07:30,311 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 00:07:30,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 00:07:30,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:07:30,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 00:07:30,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-07-21 00:07:30,315 INFO L87 Difference]: Start difference. First operand 15052 states and 16248 transitions. Second operand has 9 states, 9 states have (on average 86.33333333333333) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:35,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:07:35,953 INFO L93 Difference]: Finished difference Result 38434 states and 41454 transitions. [2022-07-21 00:07:35,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 00:07:35,960 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 86.33333333333333) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 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 597 [2022-07-21 00:07:35,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:07:35,979 INFO L225 Difference]: With dead ends: 38434 [2022-07-21 00:07:35,979 INFO L226 Difference]: Without dead ends: 16546 [2022-07-21 00:07:35,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1203 GetRequests, 1188 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2022-07-21 00:07:35,990 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 2857 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 6013 mSolverCounterSat, 679 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2857 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 6692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 679 IncrementalHoareTripleChecker+Valid, 6013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-07-21 00:07:35,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2857 Valid, 254 Invalid, 6692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [679 Valid, 6013 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-07-21 00:07:36,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16546 states. [2022-07-21 00:07:36,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16546 to 12357. [2022-07-21 00:07:36,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12357 states, 12356 states have (on average 1.0386047264486888) internal successors, (12833), 12356 states have internal predecessors, (12833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:36,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12357 states to 12357 states and 12833 transitions. [2022-07-21 00:07:36,167 INFO L78 Accepts]: Start accepts. Automaton has 12357 states and 12833 transitions. Word has length 597 [2022-07-21 00:07:36,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:07:36,167 INFO L495 AbstractCegarLoop]: Abstraction has 12357 states and 12833 transitions. [2022-07-21 00:07:36,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 86.33333333333333) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:36,168 INFO L276 IsEmpty]: Start isEmpty. Operand 12357 states and 12833 transitions. [2022-07-21 00:07:36,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 635 [2022-07-21 00:07:36,176 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:07:36,176 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 00:07:36,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-21 00:07:36,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:07:36,392 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:07:36,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:07:36,392 INFO L85 PathProgramCache]: Analyzing trace with hash -2010556868, now seen corresponding path program 1 times [2022-07-21 00:07:36,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:07:36,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036682074] [2022-07-21 00:07:36,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:36,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:07:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:36,635 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2022-07-21 00:07:36,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:07:36,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036682074] [2022-07-21 00:07:36,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036682074] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:07:36,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:07:36,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:07:36,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352570774] [2022-07-21 00:07:36,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:07:36,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:07:36,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:07:36,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:07:36,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:07:36,639 INFO L87 Difference]: Start difference. First operand 12357 states and 12833 transitions. Second operand has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:37,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:07:37,672 INFO L93 Difference]: Finished difference Result 28295 states and 29436 transitions. [2022-07-21 00:07:37,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:07:37,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 0 states have call successors, (0), 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 634 [2022-07-21 00:07:37,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:07:37,690 INFO L225 Difference]: With dead ends: 28295 [2022-07-21 00:07:37,690 INFO L226 Difference]: Without dead ends: 15940 [2022-07-21 00:07:37,701 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 [2022-07-21 00:07:37,702 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 281 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-21 00:07:37,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 536 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-21 00:07:37,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15940 states. [2022-07-21 00:07:37,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15940 to 15043. [2022-07-21 00:07:37,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15043 states, 15042 states have (on average 1.032974338518814) internal successors, (15538), 15042 states have internal predecessors, (15538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:37,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15043 states to 15043 states and 15538 transitions. [2022-07-21 00:07:37,865 INFO L78 Accepts]: Start accepts. Automaton has 15043 states and 15538 transitions. Word has length 634 [2022-07-21 00:07:37,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:07:37,865 INFO L495 AbstractCegarLoop]: Abstraction has 15043 states and 15538 transitions. [2022-07-21 00:07:37,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:37,866 INFO L276 IsEmpty]: Start isEmpty. Operand 15043 states and 15538 transitions. [2022-07-21 00:07:37,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 659 [2022-07-21 00:07:37,876 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:07:37,877 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 00:07:37,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-21 00:07:37,877 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:07:37,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:07:37,878 INFO L85 PathProgramCache]: Analyzing trace with hash -229933604, now seen corresponding path program 1 times [2022-07-21 00:07:37,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:07:37,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475219590] [2022-07-21 00:07:37,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:37,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:07:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:38,171 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2022-07-21 00:07:38,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:07:38,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475219590] [2022-07-21 00:07:38,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475219590] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:07:38,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:07:38,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 00:07:38,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879225325] [2022-07-21 00:07:38,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:07:38,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 00:07:38,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:07:38,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 00:07:38,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-21 00:07:38,174 INFO L87 Difference]: Start difference. First operand 15043 states and 15538 transitions. Second operand has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:39,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:07:39,686 INFO L93 Difference]: Finished difference Result 33973 states and 35169 transitions. [2022-07-21 00:07:39,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 00:07:39,686 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 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 [2022-07-21 00:07:39,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:07:39,706 INFO L225 Difference]: With dead ends: 33973 [2022-07-21 00:07:39,706 INFO L226 Difference]: Without dead ends: 18932 [2022-07-21 00:07:39,718 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 [2022-07-21 00:07:39,719 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 661 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 1776 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 661 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 1944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 1776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 00:07:39,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [661 Valid, 438 Invalid, 1944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 1776 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 00:07:39,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18932 states. [2022-07-21 00:07:39,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18932 to 18035. [2022-07-21 00:07:39,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18035 states, 18034 states have (on average 1.0311633581013642) internal successors, (18596), 18034 states have internal predecessors, (18596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:39,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18035 states to 18035 states and 18596 transitions. [2022-07-21 00:07:39,912 INFO L78 Accepts]: Start accepts. Automaton has 18035 states and 18596 transitions. Word has length 658 [2022-07-21 00:07:39,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:07:39,913 INFO L495 AbstractCegarLoop]: Abstraction has 18035 states and 18596 transitions. [2022-07-21 00:07:39,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:39,913 INFO L276 IsEmpty]: Start isEmpty. Operand 18035 states and 18596 transitions. [2022-07-21 00:07:40,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2022-07-21 00:07:40,007 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:07:40,007 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-21 00:07:40,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-21 00:07:40,008 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:07:40,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:07:40,008 INFO L85 PathProgramCache]: Analyzing trace with hash -998147796, now seen corresponding path program 1 times [2022-07-21 00:07:40,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:07:40,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055586465] [2022-07-21 00:07:40,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:40,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:07:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:40,255 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 475 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2022-07-21 00:07:40,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:07:40,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055586465] [2022-07-21 00:07:40,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055586465] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:07:40,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:07:40,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:07:40,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420455596] [2022-07-21 00:07:40,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:07:40,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:07:40,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:07:40,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:07:40,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:07:40,260 INFO L87 Difference]: Start difference. First operand 18035 states and 18596 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) [2022-07-21 00:07:41,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:07:41,115 INFO L93 Difference]: Finished difference Result 36065 states and 37196 transitions. [2022-07-21 00:07:41,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:07:41,116 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 689 [2022-07-21 00:07:41,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:07:41,137 INFO L225 Difference]: With dead ends: 36065 [2022-07-21 00:07:41,137 INFO L226 Difference]: Without dead ends: 18331 [2022-07-21 00:07:41,149 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 [2022-07-21 00:07:41,150 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 435 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-21 00:07:41,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 67 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-21 00:07:41,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18331 states. [2022-07-21 00:07:41,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18331 to 18031. [2022-07-21 00:07:41,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18031 states, 18030 states have (on average 1.031003882418192) internal successors, (18589), 18030 states have internal predecessors, (18589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:41,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18031 states to 18031 states and 18589 transitions. [2022-07-21 00:07:41,368 INFO L78 Accepts]: Start accepts. Automaton has 18031 states and 18589 transitions. Word has length 689 [2022-07-21 00:07:41,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:07:41,368 INFO L495 AbstractCegarLoop]: Abstraction has 18031 states and 18589 transitions. [2022-07-21 00:07:41,369 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) [2022-07-21 00:07:41,369 INFO L276 IsEmpty]: Start isEmpty. Operand 18031 states and 18589 transitions. [2022-07-21 00:07:41,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2022-07-21 00:07:41,384 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:07:41,384 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, 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, 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] [2022-07-21 00:07:41,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-21 00:07:41,384 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:07:41,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:07:41,385 INFO L85 PathProgramCache]: Analyzing trace with hash 860860691, now seen corresponding path program 1 times [2022-07-21 00:07:41,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:07:41,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022053594] [2022-07-21 00:07:41,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:41,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:07:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:41,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1182 backedges. 608 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2022-07-21 00:07:41,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:07:41,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022053594] [2022-07-21 00:07:41,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022053594] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:07:41,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:07:41,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:07:41,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035481541] [2022-07-21 00:07:41,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:07:41,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:07:41,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:07:41,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:07:41,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:07:41,694 INFO L87 Difference]: Start difference. First operand 18031 states and 18589 transitions. Second operand has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:42,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:07:42,651 INFO L93 Difference]: Finished difference Result 38449 states and 39675 transitions. [2022-07-21 00:07:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:07:42,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 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 760 [2022-07-21 00:07:42,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:07:42,671 INFO L225 Difference]: With dead ends: 38449 [2022-07-21 00:07:42,671 INFO L226 Difference]: Without dead ends: 20719 [2022-07-21 00:07:42,681 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 [2022-07-21 00:07:42,682 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 184 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-21 00:07:42,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 161 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-21 00:07:42,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20719 states. [2022-07-21 00:07:42,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20719 to 19523. [2022-07-21 00:07:42,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19523 states, 19522 states have (on average 1.0284806884540518) internal successors, (20078), 19522 states have internal predecessors, (20078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:42,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19523 states to 19523 states and 20078 transitions. [2022-07-21 00:07:42,886 INFO L78 Accepts]: Start accepts. Automaton has 19523 states and 20078 transitions. Word has length 760 [2022-07-21 00:07:42,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:07:42,886 INFO L495 AbstractCegarLoop]: Abstraction has 19523 states and 20078 transitions. [2022-07-21 00:07:42,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:42,886 INFO L276 IsEmpty]: Start isEmpty. Operand 19523 states and 20078 transitions. [2022-07-21 00:07:42,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2022-07-21 00:07:42,898 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:07:42,899 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, 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, 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] [2022-07-21 00:07:42,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-21 00:07:42,899 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:07:42,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:07:42,899 INFO L85 PathProgramCache]: Analyzing trace with hash -107876282, now seen corresponding path program 1 times [2022-07-21 00:07:42,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:07:42,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726984817] [2022-07-21 00:07:42,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:42,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:07:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:43,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 629 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2022-07-21 00:07:43,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:07:43,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726984817] [2022-07-21 00:07:43,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726984817] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:07:43,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:07:43,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:07:43,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527970413] [2022-07-21 00:07:43,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:07:43,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:07:43,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:07:43,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:07:43,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:07:43,177 INFO L87 Difference]: Start difference. First operand 19523 states and 20078 transitions. Second operand has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:44,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:07:44,009 INFO L93 Difference]: Finished difference Result 41433 states and 42655 transitions. [2022-07-21 00:07:44,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:07:44,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 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 781 [2022-07-21 00:07:44,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:07:44,032 INFO L225 Difference]: With dead ends: 41433 [2022-07-21 00:07:44,033 INFO L226 Difference]: Without dead ends: 21912 [2022-07-21 00:07:44,045 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 [2022-07-21 00:07:44,045 INFO L413 NwaCegarLoop]: 433 mSDtfsCounter, 163 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 00:07:44,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 460 Invalid, 830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 00:07:44,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21912 states. [2022-07-21 00:07:44,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21912 to 17124. [2022-07-21 00:07:44,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17124 states, 17123 states have (on average 1.0263972434736903) internal successors, (17575), 17123 states have internal predecessors, (17575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:44,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17124 states to 17124 states and 17575 transitions. [2022-07-21 00:07:44,218 INFO L78 Accepts]: Start accepts. Automaton has 17124 states and 17575 transitions. Word has length 781 [2022-07-21 00:07:44,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:07:44,218 INFO L495 AbstractCegarLoop]: Abstraction has 17124 states and 17575 transitions. [2022-07-21 00:07:44,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:44,219 INFO L276 IsEmpty]: Start isEmpty. Operand 17124 states and 17575 transitions. [2022-07-21 00:07:44,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 819 [2022-07-21 00:07:44,229 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:07:44,230 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-21 00:07:44,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-21 00:07:44,230 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:07:44,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:07:44,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1462646468, now seen corresponding path program 1 times [2022-07-21 00:07:44,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:07:44,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392626868] [2022-07-21 00:07:44,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:44,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:07:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:44,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 508 proven. 0 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2022-07-21 00:07:44,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:07:44,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392626868] [2022-07-21 00:07:44,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392626868] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:07:44,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:07:44,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:07:44,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221901615] [2022-07-21 00:07:44,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:07:44,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:07:44,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:07:44,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:07:44,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:07:44,566 INFO L87 Difference]: Start difference. First operand 17124 states and 17575 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) [2022-07-21 00:07:45,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:07:45,355 INFO L93 Difference]: Finished difference Result 36039 states and 37016 transitions. [2022-07-21 00:07:45,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:07:45,355 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 818 [2022-07-21 00:07:45,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:07:45,372 INFO L225 Difference]: With dead ends: 36039 [2022-07-21 00:07:45,372 INFO L226 Difference]: Without dead ends: 19216 [2022-07-21 00:07:45,382 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 [2022-07-21 00:07:45,383 INFO L413 NwaCegarLoop]: 464 mSDtfsCounter, 310 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 00:07:45,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 504 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 00:07:45,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19216 states. [2022-07-21 00:07:45,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19216 to 18020. [2022-07-21 00:07:45,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18020 states, 18019 states have (on average 1.0254176147399967) internal successors, (18477), 18019 states have internal predecessors, (18477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:45,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18020 states to 18020 states and 18477 transitions. [2022-07-21 00:07:45,542 INFO L78 Accepts]: Start accepts. Automaton has 18020 states and 18477 transitions. Word has length 818 [2022-07-21 00:07:45,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:07:45,543 INFO L495 AbstractCegarLoop]: Abstraction has 18020 states and 18477 transitions. [2022-07-21 00:07:45,543 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) [2022-07-21 00:07:45,543 INFO L276 IsEmpty]: Start isEmpty. Operand 18020 states and 18477 transitions. [2022-07-21 00:07:45,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 840 [2022-07-21 00:07:45,554 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:07:45,554 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-21 00:07:45,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-21 00:07:45,555 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:07:45,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:07:45,555 INFO L85 PathProgramCache]: Analyzing trace with hash 154899430, now seen corresponding path program 1 times [2022-07-21 00:07:45,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:07:45,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288272803] [2022-07-21 00:07:45,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:45,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:07:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:46,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1018 backedges. 581 proven. 269 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-21 00:07:46,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:07:46,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288272803] [2022-07-21 00:07:46,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288272803] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:07:46,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093586032] [2022-07-21 00:07:46,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:46,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:07:46,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:07:46,021 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) [2022-07-21 00:07:46,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-21 00:07:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:46,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 988 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 00:07:46,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:07:46,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1018 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 895 trivial. 0 not checked. [2022-07-21 00:07:46,332 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 00:07:46,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093586032] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:07:46,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 00:07:46,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-21 00:07:46,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148493485] [2022-07-21 00:07:46,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:07:46,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:07:46,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:07:46,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:07:46,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:07:46,335 INFO L87 Difference]: Start difference. First operand 18020 states and 18477 transitions. Second operand has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:47,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:07:47,290 INFO L93 Difference]: Finished difference Result 39939 states and 40943 transitions. [2022-07-21 00:07:47,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:07:47,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 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 839 [2022-07-21 00:07:47,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:07:47,316 INFO L225 Difference]: With dead ends: 39939 [2022-07-21 00:07:47,317 INFO L226 Difference]: Without dead ends: 21921 [2022-07-21 00:07:47,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 842 GetRequests, 838 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:07:47,329 INFO L413 NwaCegarLoop]: 463 mSDtfsCounter, 295 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-21 00:07:47,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 493 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-21 00:07:47,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21921 states. [2022-07-21 00:07:47,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21921 to 19818. [2022-07-21 00:07:47,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19818 states, 19817 states have (on average 1.025129938941313) internal successors, (20315), 19817 states have internal predecessors, (20315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:47,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19818 states to 19818 states and 20315 transitions. [2022-07-21 00:07:47,601 INFO L78 Accepts]: Start accepts. Automaton has 19818 states and 20315 transitions. Word has length 839 [2022-07-21 00:07:47,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:07:47,601 INFO L495 AbstractCegarLoop]: Abstraction has 19818 states and 20315 transitions. [2022-07-21 00:07:47,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:07:47,601 INFO L276 IsEmpty]: Start isEmpty. Operand 19818 states and 20315 transitions. [2022-07-21 00:07:47,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 877 [2022-07-21 00:07:47,612 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:07:47,612 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-21 00:07:47,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-21 00:07:47,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:07:47,813 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:07:47,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:07:47,815 INFO L85 PathProgramCache]: Analyzing trace with hash -415241253, now seen corresponding path program 1 times [2022-07-21 00:07:47,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:07:47,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340285147] [2022-07-21 00:07:47,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:47,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:07:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:48,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 655 proven. 269 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-21 00:07:48,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:07:48,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340285147] [2022-07-21 00:07:48,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340285147] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:07:48,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451837088] [2022-07-21 00:07:48,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:07:48,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:07:48,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:07:48,195 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) [2022-07-21 00:07:48,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-21 00:07:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:07:48,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 00:07:48,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:08:07,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2022-07-21 00:08:07,501 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 00:08:07,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451837088] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:08:07,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 00:08:07,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-21 00:08:07,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427223230] [2022-07-21 00:08:07,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:08:07,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:08:07,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:08:07,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:08:07,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:08:07,504 INFO L87 Difference]: Start difference. First operand 19818 states and 20315 transitions. Second operand has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:08:07,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:08:07,580 INFO L93 Difference]: Finished difference Result 19851 states and 20348 transitions. [2022-07-21 00:08:07,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:08:07,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 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 876 [2022-07-21 00:08:07,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:08:07,601 INFO L225 Difference]: With dead ends: 19851 [2022-07-21 00:08:07,601 INFO L226 Difference]: Without dead ends: 19849 [2022-07-21 00:08:07,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 879 GetRequests, 875 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:08:07,607 INFO L413 NwaCegarLoop]: 484 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, 521 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 471 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 00:08:07,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 521 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 471 Unchecked, 0.0s Time] [2022-07-21 00:08:07,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19849 states. [2022-07-21 00:08:07,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19849 to 19849. [2022-07-21 00:08:07,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19849 states, 19848 states have (on average 1.0250906892382103) internal successors, (20346), 19848 states have internal predecessors, (20346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:08:07,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19849 states to 19849 states and 20346 transitions. [2022-07-21 00:08:07,803 INFO L78 Accepts]: Start accepts. Automaton has 19849 states and 20346 transitions. Word has length 876 [2022-07-21 00:08:07,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:08:07,803 INFO L495 AbstractCegarLoop]: Abstraction has 19849 states and 20346 transitions. [2022-07-21 00:08:07,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:08:07,804 INFO L276 IsEmpty]: Start isEmpty. Operand 19849 states and 20346 transitions. [2022-07-21 00:08:07,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2022-07-21 00:08:07,821 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:08:07,821 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, 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, 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] [2022-07-21 00:08:07,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-07-21 00:08:08,022 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,SelfDestructingSolverStorable23 [2022-07-21 00:08:08,022 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:08:08,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:08:08,023 INFO L85 PathProgramCache]: Analyzing trace with hash -629295428, now seen corresponding path program 1 times [2022-07-21 00:08:08,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:08:08,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418416644] [2022-07-21 00:08:08,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:08:08,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:08:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:08:08,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1963 backedges. 1197 proven. 329 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2022-07-21 00:08:08,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:08:08,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418416644] [2022-07-21 00:08:08,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418416644] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:08:08,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367160514] [2022-07-21 00:08:08,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:08:08,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:08:08,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:08:08,531 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) [2022-07-21 00:08:08,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-21 00:08:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:08:08,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 1343 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-21 00:08:08,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:08:11,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1963 backedges. 1197 proven. 329 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2022-07-21 00:08:11,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 00:08:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1963 backedges. 1197 proven. 329 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2022-07-21 00:08:15,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367160514] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 00:08:15,302 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 00:08:15,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2022-07-21 00:08:15,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154161821] [2022-07-21 00:08:15,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 00:08:15,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 00:08:15,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:08:15,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 00:08:15,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 00:08:15,305 INFO L87 Difference]: Start difference. First operand 19849 states and 20346 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) [2022-07-21 00:08:16,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:08:16,839 INFO L93 Difference]: Finished difference Result 22633 states and 23197 transitions. [2022-07-21 00:08:16,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 00:08:16,840 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 1175 [2022-07-21 00:08:16,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:08:16,841 INFO L225 Difference]: With dead ends: 22633 [2022-07-21 00:08:16,841 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 00:08:16,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2354 GetRequests, 2349 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 00:08:16,846 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 168 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 1508 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 1692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 1508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 00:08:16,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 105 Invalid, 1692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 1508 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 00:08:16,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 00:08:16,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 00:08:16,847 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) [2022-07-21 00:08:16,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 00:08:16,848 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1175 [2022-07-21 00:08:16,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:08:16,848 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 00:08:16,849 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) [2022-07-21 00:08:16,849 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 00:08:16,849 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 00:08:16,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 00:08:16,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-21 00:08:17,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:08:17,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 00:08:23,658 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,658 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,658 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,658 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2022-07-21 00:08:23,658 INFO L899 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,658 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,658 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2022-07-21 00:08:23,658 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2022-07-21 00:08:23,659 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,659 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,659 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,659 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-07-21 00:08:23,659 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,659 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,659 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,659 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,659 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,659 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-07-21 00:08:23,659 INFO L899 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,659 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,659 INFO L899 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2022-07-21 00:08:23,659 INFO L899 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2022-07-21 00:08:23,659 INFO L899 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,660 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,660 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2022-07-21 00:08:23,660 INFO L899 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,660 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-07-21 00:08:23,660 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,660 INFO L899 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2022-07-21 00:08:23,660 INFO L899 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2022-07-21 00:08:23,660 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,660 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,660 INFO L899 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2022-07-21 00:08:23,660 INFO L899 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2022-07-21 00:08:23,660 INFO L899 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,660 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,660 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,661 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,661 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,661 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-07-21 00:08:23,661 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,661 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,661 INFO L899 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,661 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,661 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,662 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,662 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-07-21 00:08:23,662 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,662 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,662 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,662 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2022-07-21 00:08:23,662 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,662 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,663 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-07-21 00:08:23,663 INFO L899 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,663 INFO L899 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,663 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,663 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,663 INFO L899 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,663 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,663 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-07-21 00:08:23,664 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,664 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,664 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,664 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,664 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2022-07-21 00:08:23,664 INFO L899 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2022-07-21 00:08:23,664 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,664 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,664 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,665 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,665 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-07-21 00:08:23,665 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2022-07-21 00:08:23,665 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,665 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,665 INFO L899 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,665 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,665 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,666 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2022-07-21 00:08:23,666 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,666 INFO L899 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2022-07-21 00:08:23,666 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2022-07-21 00:08:23,666 INFO L899 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2022-07-21 00:08:23,666 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-07-21 00:08:23,666 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,666 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,666 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,666 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,666 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,666 INFO L899 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2022-07-21 00:08:23,666 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,666 INFO L899 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,667 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-07-21 00:08:23,667 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 00:08:23,667 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 116) no Hoare annotation was computed. [2022-07-21 00:08:23,667 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,667 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2022-07-21 00:08:23,667 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,667 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,667 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,667 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-07-21 00:08:23,667 INFO L899 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,667 INFO L899 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2022-07-21 00:08:23,667 INFO L899 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2022-07-21 00:08:23,667 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2022-07-21 00:08:23,667 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2022-07-21 00:08:23,667 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2022-07-21 00:08:23,667 INFO L899 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2022-07-21 00:08:23,667 INFO L899 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,667 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,667 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,668 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,668 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2022-07-21 00:08:23,668 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2022-07-21 00:08:23,668 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,668 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-07-21 00:08:23,668 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,668 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,668 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,668 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,668 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,668 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,668 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-07-21 00:08:23,668 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,668 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,668 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,668 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,668 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,668 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2022-07-21 00:08:23,668 INFO L899 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2022-07-21 00:08:23,668 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,668 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-07-21 00:08:23,669 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2022-07-21 00:08:23,669 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2022-07-21 00:08:23,669 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,669 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2022-07-21 00:08:23,669 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2022-07-21 00:08:23,669 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,669 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,669 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,669 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,669 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-07-21 00:08:23,669 INFO L899 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2022-07-21 00:08:23,669 INFO L899 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,669 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,669 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,669 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2022-07-21 00:08:23,669 INFO L899 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2022-07-21 00:08:23,669 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,669 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-07-21 00:08:23,669 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,669 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,669 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,670 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,670 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,670 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,670 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-07-21 00:08:23,670 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,670 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,670 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2022-07-21 00:08:23,670 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,670 INFO L899 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,670 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,670 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,670 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-07-21 00:08:23,670 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,670 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,670 INFO L899 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,670 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,670 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,670 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-07-21 00:08:23,670 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,670 INFO L899 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,670 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,671 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,671 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2022-07-21 00:08:23,671 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,671 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,671 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 00:08:23,671 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,671 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2022-07-21 00:08:23,671 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2022-07-21 00:08:23,671 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,671 INFO L899 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,671 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-07-21 00:08:23,671 INFO L899 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,671 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,671 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,671 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,671 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,671 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-07-21 00:08:23,671 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,672 INFO L899 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,672 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,672 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,672 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,672 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2022-07-21 00:08:23,672 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,672 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,672 INFO L899 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2022-07-21 00:08:23,672 INFO L899 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,672 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-07-21 00:08:23,672 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-07-21 00:08:23,672 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,673 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,673 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,673 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,673 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,673 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2022-07-21 00:08:23,673 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2022-07-21 00:08:23,673 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,673 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-07-21 00:08:23,673 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-07-21 00:08:23,673 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,673 INFO L899 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,673 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,673 INFO L899 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,673 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,673 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2022-07-21 00:08:23,673 INFO L899 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2022-07-21 00:08:23,673 INFO L899 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2022-07-21 00:08:23,673 INFO L899 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2022-07-21 00:08:23,673 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,674 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,674 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,674 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-07-21 00:08:23,674 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-07-21 00:08:23,674 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,674 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2022-07-21 00:08:23,674 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,674 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,674 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,675 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,675 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2022-07-21 00:08:23,675 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2022-07-21 00:08:23,675 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-07-21 00:08:23,675 INFO L899 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,675 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-07-21 00:08:23,675 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,675 INFO L899 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,676 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,676 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,676 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,676 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,676 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,676 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,676 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-07-21 00:08:23,676 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-07-21 00:08:23,677 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2022-07-21 00:08:23,677 INFO L899 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2022-07-21 00:08:23,677 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,677 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,677 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,677 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,678 INFO L895 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse15 (+ ~a0~0 61))) (let ((.cse5 (<= ~a29~0 401234)) (.cse4 (= ~a2~0 1)) (.cse9 (< 0 (+ ~a4~0 86))) (.cse8 (= 5 ~a2~0)) (.cse1 (<= (+ 98 ~a0~0) 0)) (.cse2 (<= 5 ~a2~0)) (.cse13 (<= 8 ~a29~0)) (.cse3 (<= .cse15 0)) (.cse12 (< 0 .cse15)) (.cse11 (< 43 ~a29~0)) (.cse7 (= 2 ~a2~0)) (.cse10 (<= (+ ~a0~0 105) 0)) (.cse6 (<= (+ 42 ~a4~0) 0)) (.cse0 (<= (+ 89 ~a4~0) 0)) (.cse14 (= ~a2~0 4))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5) (and .cse6 (= 3 ~a2~0)) (and .cse0 .cse4 .cse3) (and .cse6 .cse7 (not .cse3) (<= (+ ~a29~0 127) 0)) (and .cse8 .cse0 (or (< 0 (+ ~a29~0 16)) (<= (+ ~a29~0 144) 0))) (and .cse6 (or (and .cse9 .cse4 .cse5) (and .cse4 .cse5 .cse3))) (and .cse10 .cse11 .cse7 .cse3) (and .cse12 .cse8 .cse6) (and .cse7 .cse0) (and .cse9 .cse6 .cse7 .cse3) (and .cse6 .cse4 .cse13 .cse5) (and .cse6 .cse1 .cse4) (and .cse8 .cse11 .cse6) (and .cse10 .cse8 .cse6) (and .cse9 .cse8 .cse6) (and .cse11 .cse6 .cse7 .cse1 .cse3) (and .cse0 .cse2 .cse13 .cse3) (and .cse12 .cse11 .cse6 .cse7) (and .cse10 .cse6 .cse14) (and (<= 0 (+ 97 ~a0~0)) .cse6 .cse14) (and .cse0 .cse14)))) [2022-07-21 00:08:23,678 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-07-21 00:08:23,678 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-07-21 00:08:23,678 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,678 INFO L899 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,678 INFO L899 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,678 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,679 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,679 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,679 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,679 INFO L899 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2022-07-21 00:08:23,679 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,679 INFO L899 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2022-07-21 00:08:23,679 INFO L902 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2022-07-21 00:08:23,679 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,680 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2022-07-21 00:08:23,680 INFO L899 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2022-07-21 00:08:23,680 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-07-21 00:08:23,680 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-07-21 00:08:23,680 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,680 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,680 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,680 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,681 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,681 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-07-21 00:08:23,681 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-07-21 00:08:23,681 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,681 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2022-07-21 00:08:23,681 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2022-07-21 00:08:23,681 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,681 INFO L899 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,682 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 00:08:23,682 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,682 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,682 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,682 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,682 INFO L895 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse17 (+ ~a0~0 61)) (.cse15 (+ ~a4~0 86))) (let ((.cse5 (<= ~a29~0 401234)) (.cse4 (= ~a2~0 1)) (.cse9 (<= (+ ~a29~0 144) 0)) (.cse10 (< 0 .cse15)) (.cse8 (= 5 ~a2~0)) (.cse1 (<= (+ 98 ~a0~0) 0)) (.cse2 (<= 5 ~a2~0)) (.cse14 (<= 8 ~a29~0)) (.cse3 (<= .cse17 0)) (.cse13 (< 0 .cse17)) (.cse12 (< 43 ~a29~0)) (.cse7 (= 2 ~a2~0)) (.cse11 (<= (+ ~a0~0 105) 0)) (.cse6 (<= (+ 42 ~a4~0) 0)) (.cse0 (<= (+ 89 ~a4~0) 0)) (.cse16 (= ~a2~0 4))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5) (and .cse6 (= 3 ~a2~0)) (and .cse0 .cse4 .cse3) (and .cse6 .cse7 (not .cse3) (<= (+ ~a29~0 127) 0)) (and .cse8 .cse0 (or (< 0 (+ ~a29~0 16)) .cse9)) (and .cse6 (or (and .cse10 .cse4 .cse5) (and .cse4 .cse5 .cse3))) (and .cse11 .cse12 .cse7 .cse3) (and .cse13 .cse8 .cse6) (and .cse7 .cse0) (and .cse10 .cse6 .cse7 .cse3) (and .cse6 .cse4 .cse14 .cse5) (and .cse6 .cse1 .cse4) (and .cse8 .cse12 .cse6) (and .cse11 .cse8 .cse6) (and .cse4 (<= .cse15 0) .cse9) (and .cse10 .cse8 .cse6) (and .cse12 .cse6 .cse7 .cse1 .cse3) (and .cse0 .cse2 .cse14 .cse3) (and .cse13 .cse12 .cse6 .cse7) (and .cse11 .cse6 .cse16) (and (<= 0 (+ 97 ~a0~0)) .cse6 .cse16) (and .cse0 .cse16)))) [2022-07-21 00:08:23,682 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,683 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-07-21 00:08:23,683 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-07-21 00:08:23,683 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,683 INFO L899 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,683 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,683 INFO L899 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,683 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,683 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,683 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-07-21 00:08:23,684 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-07-21 00:08:23,684 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,684 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,684 INFO L899 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2022-07-21 00:08:23,684 INFO L899 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,684 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,684 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,684 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,685 INFO L899 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,685 INFO L899 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,685 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-07-21 00:08:23,685 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-07-21 00:08:23,685 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,685 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,685 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,685 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,685 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,686 INFO L899 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,686 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-07-21 00:08:23,686 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,686 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-07-21 00:08:23,686 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,686 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,686 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,686 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,687 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,687 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,687 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,687 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-07-21 00:08:23,687 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-07-21 00:08:23,687 INFO L899 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,687 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,687 INFO L899 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,687 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,688 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,688 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,688 INFO L899 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,688 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-07-21 00:08:23,688 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-07-21 00:08:23,688 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,688 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,688 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,689 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,689 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,689 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,689 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,689 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2022-07-21 00:08:23,689 INFO L899 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2022-07-21 00:08:23,689 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,689 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-07-21 00:08:23,689 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-07-21 00:08:23,690 INFO L899 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,690 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,690 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,690 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,690 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,690 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,690 INFO L895 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse17 (+ ~a0~0 61)) (.cse15 (+ ~a4~0 86))) (let ((.cse5 (<= ~a29~0 401234)) (.cse4 (= ~a2~0 1)) (.cse9 (<= (+ ~a29~0 144) 0)) (.cse10 (< 0 .cse15)) (.cse8 (= 5 ~a2~0)) (.cse1 (<= (+ 98 ~a0~0) 0)) (.cse2 (<= 5 ~a2~0)) (.cse14 (<= 8 ~a29~0)) (.cse3 (<= .cse17 0)) (.cse13 (< 0 .cse17)) (.cse12 (< 43 ~a29~0)) (.cse7 (= 2 ~a2~0)) (.cse11 (<= (+ ~a0~0 105) 0)) (.cse6 (<= (+ 42 ~a4~0) 0)) (.cse0 (<= (+ 89 ~a4~0) 0)) (.cse16 (= ~a2~0 4))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5) (and .cse6 (= 3 ~a2~0)) (and .cse0 .cse4 .cse3) (and .cse6 .cse7 (not .cse3) (<= (+ ~a29~0 127) 0)) (and .cse8 .cse0 (or (< 0 (+ ~a29~0 16)) .cse9)) (and .cse6 (or (and .cse10 .cse4 .cse5) (and .cse4 .cse5 .cse3))) (and .cse11 .cse12 .cse7 .cse3) (and .cse13 .cse8 .cse6) (and .cse7 .cse0) (and .cse10 .cse6 .cse7 .cse3) (and .cse6 .cse4 .cse14 .cse5) (and .cse6 .cse1 .cse4) (and .cse8 .cse12 .cse6) (and .cse11 .cse8 .cse6) (and .cse4 (<= .cse15 0) .cse9) (and .cse10 .cse8 .cse6) (and .cse12 .cse6 .cse7 .cse1 .cse3) (and .cse0 .cse2 .cse14 .cse3) (and .cse13 .cse12 .cse6 .cse7) (and .cse11 .cse6 .cse16) (and (<= 0 (+ 97 ~a0~0)) .cse6 .cse16) (and .cse0 .cse16)))) [2022-07-21 00:08:23,691 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-07-21 00:08:23,691 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-07-21 00:08:23,691 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,691 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,691 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,691 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,691 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,691 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,692 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,692 INFO L899 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,692 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-07-21 00:08:23,692 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-07-21 00:08:23,692 INFO L899 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,692 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2022-07-21 00:08:23,692 INFO L899 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2022-07-21 00:08:23,692 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,692 INFO L899 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,693 INFO L899 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,693 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,693 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,693 INFO L899 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2022-07-21 00:08:23,693 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 00:08:23,693 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-07-21 00:08:23,693 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,693 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,694 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,694 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,694 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2022-07-21 00:08:23,694 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2022-07-21 00:08:23,694 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2022-07-21 00:08:23,694 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,694 INFO L899 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2022-07-21 00:08:23,694 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-07-21 00:08:23,694 INFO L899 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,695 INFO L899 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,695 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,695 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,695 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,695 INFO L899 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,695 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,695 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-07-21 00:08:23,695 INFO L899 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2022-07-21 00:08:23,696 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,696 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,696 INFO L899 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,696 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-07-21 00:08:23,696 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,696 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,696 INFO L899 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2022-07-21 00:08:23,696 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,696 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,697 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,697 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,697 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,697 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,697 INFO L899 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,697 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2022-07-21 00:08:23,697 INFO L899 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2022-07-21 00:08:23,697 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,698 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-07-21 00:08:23,698 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,698 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:08:23,698 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,698 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-07-21 00:08:23,698 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2022-07-21 00:08:23,701 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, 1] [2022-07-21 00:08:23,703 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 00:08:23,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:08:23 BoogieIcfgContainer [2022-07-21 00:08:23,725 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 00:08:23,726 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 00:08:23,726 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 00:08:23,726 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 00:08:23,726 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:06:57" (3/4) ... [2022-07-21 00:08:23,734 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 00:08:23,766 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-07-21 00:08:23,768 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-21 00:08:23,770 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 00:08:23,772 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 00:08:23,927 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 00:08:23,928 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 00:08:23,928 INFO L158 Benchmark]: Toolchain (without parser) took 90948.12ms. Allocated memory was 50.3MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 30.8MB in the beginning and 576.0MB in the end (delta: -545.1MB). Peak memory consumption was 898.3MB. Max. memory is 16.1GB. [2022-07-21 00:08:23,928 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 50.3MB. Free memory was 31.8MB in the beginning and 31.7MB in the end (delta: 45.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 00:08:23,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 938.54ms. Allocated memory was 50.3MB in the beginning and 75.5MB in the end (delta: 25.2MB). Free memory was 30.7MB in the beginning and 33.6MB in the end (delta: -2.9MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2022-07-21 00:08:23,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 298.02ms. Allocated memory is still 75.5MB. Free memory was 33.6MB in the beginning and 24.5MB in the end (delta: 9.1MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2022-07-21 00:08:23,930 INFO L158 Benchmark]: Boogie Preprocessor took 281.01ms. Allocated memory was 75.5MB in the beginning and 138.4MB in the end (delta: 62.9MB). Free memory was 24.3MB in the beginning and 71.9MB in the end (delta: -47.6MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2022-07-21 00:08:23,932 INFO L158 Benchmark]: RCFGBuilder took 2663.81ms. Allocated memory was 138.4MB in the beginning and 209.7MB in the end (delta: 71.3MB). Free memory was 71.9MB in the beginning and 113.6MB in the end (delta: -41.6MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2022-07-21 00:08:23,932 INFO L158 Benchmark]: TraceAbstraction took 86555.31ms. Allocated memory was 209.7MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 113.6MB in the beginning and 600.1MB in the end (delta: -486.5MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2022-07-21 00:08:23,932 INFO L158 Benchmark]: Witness Printer took 202.05ms. Allocated memory is still 1.5GB. Free memory was 600.1MB in the beginning and 576.0MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-07-21 00:08:23,940 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 50.3MB. Free memory was 31.8MB in the beginning and 31.7MB in the end (delta: 45.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 938.54ms. Allocated memory was 50.3MB in the beginning and 75.5MB in the end (delta: 25.2MB). Free memory was 30.7MB in the beginning and 33.6MB in the end (delta: -2.9MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 298.02ms. Allocated memory is still 75.5MB. Free memory was 33.6MB in the beginning and 24.5MB in the end (delta: 9.1MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 281.01ms. Allocated memory was 75.5MB in the beginning and 138.4MB in the end (delta: 62.9MB). Free memory was 24.3MB in the beginning and 71.9MB in the end (delta: -47.6MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * RCFGBuilder took 2663.81ms. Allocated memory was 138.4MB in the beginning and 209.7MB in the end (delta: 71.3MB). Free memory was 71.9MB in the beginning and 113.6MB in the end (delta: -41.6MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. * TraceAbstraction took 86555.31ms. Allocated memory was 209.7MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 113.6MB in the beginning and 600.1MB in the end (delta: -486.5MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 202.05ms. Allocated memory is still 1.5GB. Free memory was 600.1MB in the beginning and 576.0MB 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: 116]: 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: 86.5s, OverallIterations: 25, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 39.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9721 SdHoareTripleChecker+Valid, 36.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9721 mSDsluCounter, 9791 SdHoareTripleChecker+Invalid, 31.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 471 IncrementalHoareTripleChecker+Unchecked, 1082 mSDsCounter, 4684 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29109 IncrementalHoareTripleChecker+Invalid, 34264 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4684 mSolverCounterUnsat, 8709 mSDtfsCounter, 29109 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6456 GetRequests, 6397 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19849occurred in iteration=24, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.5s AutomataMinimizationTime, 25 MinimizatonAttempts, 20422 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 330 NumberOfFragments, 1070 HoareAnnotationTreeSize, 4 FomulaSimplifications, 16861 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 4 FomulaSimplificationsInter, 23049 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 30.7s InterpolantComputationTime, 17377 NumberOfCodeBlocks, 17377 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 19116 ConstructedInterpolants, 31 QuantifiedInterpolants, 83218 SizeOfPredicates, 10 NumberOfNonLiveVariables, 5542 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 33 InterpolantComputations, 23 PerfectInterpolantSequences, 21384/23104 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 && 98 + a0 <= 0) && 5 <= a2) && a0 + 61 <= 0) || ((89 + a4 <= 0 && a2 == 1) && a29 <= 401234)) || (42 + a4 <= 0 && 3 == a2)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 2 == a2) && !(a0 + 61 <= 0)) && a29 + 127 <= 0)) || ((5 == a2 && 89 + a4 <= 0) && (0 < a29 + 16 || a29 + 144 <= 0))) || (42 + a4 <= 0 && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0)))) || (((a0 + 105 <= 0 && 43 < a29) && 2 == a2) && a0 + 61 <= 0)) || ((0 < a0 + 61 && 5 == a2) && 42 + a4 <= 0)) || (2 == a2 && 89 + a4 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && a2 == 1) && 8 <= a29) && a29 <= 401234)) || ((42 + a4 <= 0 && 98 + a0 <= 0) && a2 == 1)) || ((5 == a2 && 43 < a29) && 42 + a4 <= 0)) || ((a0 + 105 <= 0 && 5 == a2) && 42 + a4 <= 0)) || ((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0)) || ((((43 < a29 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 5 <= a2) && 8 <= a29) && a0 + 61 <= 0)) || (((0 < a0 + 61 && 43 < a29) && 42 + a4 <= 0) && 2 == a2)) || ((a0 + 105 <= 0 && 42 + a4 <= 0) && a2 == 4)) || ((0 <= 97 + a0 && 42 + a4 <= 0) && a2 == 4)) || (89 + a4 <= 0 && a2 == 4) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((89 + a4 <= 0 && 98 + a0 <= 0) && 5 <= a2) && a0 + 61 <= 0) || ((89 + a4 <= 0 && a2 == 1) && a29 <= 401234)) || (42 + a4 <= 0 && 3 == a2)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 2 == a2) && !(a0 + 61 <= 0)) && a29 + 127 <= 0)) || ((5 == a2 && 89 + a4 <= 0) && (0 < a29 + 16 || a29 + 144 <= 0))) || (42 + a4 <= 0 && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0)))) || (((a0 + 105 <= 0 && 43 < a29) && 2 == a2) && a0 + 61 <= 0)) || ((0 < a0 + 61 && 5 == a2) && 42 + a4 <= 0)) || (2 == a2 && 89 + a4 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && a2 == 1) && 8 <= a29) && a29 <= 401234)) || ((42 + a4 <= 0 && 98 + a0 <= 0) && a2 == 1)) || ((5 == a2 && 43 < a29) && 42 + a4 <= 0)) || ((a0 + 105 <= 0 && 5 == a2) && 42 + a4 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || ((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0)) || ((((43 < a29 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 5 <= a2) && 8 <= a29) && a0 + 61 <= 0)) || (((0 < a0 + 61 && 43 < a29) && 42 + a4 <= 0) && 2 == a2)) || ((a0 + 105 <= 0 && 42 + a4 <= 0) && a2 == 4)) || ((0 <= 97 + a0 && 42 + a4 <= 0) && a2 == 4)) || (89 + a4 <= 0 && a2 == 4) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((89 + a4 <= 0 && 98 + a0 <= 0) && 5 <= a2) && a0 + 61 <= 0) || ((89 + a4 <= 0 && a2 == 1) && a29 <= 401234)) || (42 + a4 <= 0 && 3 == a2)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 2 == a2) && !(a0 + 61 <= 0)) && a29 + 127 <= 0)) || ((5 == a2 && 89 + a4 <= 0) && (0 < a29 + 16 || a29 + 144 <= 0))) || (42 + a4 <= 0 && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0)))) || (((a0 + 105 <= 0 && 43 < a29) && 2 == a2) && a0 + 61 <= 0)) || ((0 < a0 + 61 && 5 == a2) && 42 + a4 <= 0)) || (2 == a2 && 89 + a4 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && a2 == 1) && 8 <= a29) && a29 <= 401234)) || ((42 + a4 <= 0 && 98 + a0 <= 0) && a2 == 1)) || ((5 == a2 && 43 < a29) && 42 + a4 <= 0)) || ((a0 + 105 <= 0 && 5 == a2) && 42 + a4 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || ((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0)) || ((((43 < a29 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 5 <= a2) && 8 <= a29) && a0 + 61 <= 0)) || (((0 < a0 + 61 && 43 < a29) && 42 + a4 <= 0) && 2 == a2)) || ((a0 + 105 <= 0 && 42 + a4 <= 0) && a2 == 4)) || ((0 <= 97 + a0 && 42 + a4 <= 0) && a2 == 4)) || (89 + a4 <= 0 && a2 == 4) RESULT: Ultimate proved your program to be correct! [2022-07-21 00:08:23,970 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